1 --------------------------------------------------------------------
3 --------------------------------------------------------------------
4 *** Version 3.0.17 Stable ***
6 - Fixed last-chunk-detection for responses where the content was small
7 enough to be read with the body, causing Privoxy to wait for the
8 end of the content until the server closed the connection.
9 Reported by "Karsten" in #3028326.
10 - Responses with status code 204 weren't properly detected as body-less
11 like RFC2616 mandates. Like the previous bug, this caused Privoxy
12 to wait for the end of the content until the server closed the connection.
13 Fixes #3022042 and #3025553, reported by a user with no visible name.
14 Most likely also fixes a bunch of other AJAX-related problem reports
15 that got closed in the past due to insufficient information and lack
17 - Added LOG_LEVEL_RECEIVED to log the not-yet-parsed data read from the
18 network. This should make debugging various parsing issues a lot easier.
19 - The IPv6 code is enabled by default on Windows versions that support it.
20 Patch submitted by oCameLo in #2942729.
21 - In mingw32 versions, the user.filter file is reachable through the
22 GUI, just like default.filter is. Feature request 3040263.
23 - Added the configure option --enable-large-file-support to set a few
24 defines that are required by platforms like GNU/Linux to support files
25 larger then 2GB. Mainly interesting for users without proper logfile
27 - Logging with "debug 16" no longer stops at the first nul byte which is
28 pretty useless. Non-printable characters are replaced with their hex value
29 so the result can't span multiple lines making parsing them harder then
31 - Privoxy logs when reading an action, filter or trust file.
32 - Fixed incorrect regression test markup which caused a test in
33 3.0.16 to fail while Privoxy itself was working correctly.
34 While Privoxy accepts hide-referer, too, the action name is actually
35 hide-referrer which is also the name used one the final results page,
36 where the test expected the alias.
38 - CGI interface improvements:
39 - In finish_http_response(), continue to add the 'Connection: close'
40 header if the client connection will not be kept alive.
41 Anonymously pointed out in #2987454.
42 - Apostrophes in block messages no longer cause parse errors
43 when the blocked page is viewed with JavaScript enabled.
44 Reported by dg1727 in #3062296.
45 - Fix a bunch of anchors that used underscores instead of dashes.
46 - Allow to keep the client connection alive after crunching the previous request.
47 Already opened server connections can be kept alive, too.
48 - In cgi_show_url_info(), don't forget to prefix URLs that only contain http:// or https:// in the path.
49 Fixes #2975765 reported by Adam Piggott.
50 - Show the 404 CGI page if cgi_send_user_manual() is called while
51 local user manual delivery is disabled.
53 - Action file improvements:
54 - Enable user.filter by default. Suggested by David White in #3001830.
55 - Block .sitestat.com/. Reported by johnd16 in #3002725.
56 - Block .atemda.com/. Reported by johnd16 in #3002723.
57 - Block js.adlink.net/. Reported by johnd16 in #3002720.
58 - Block .analytics.yahoo.com/. Reported by johnd16 in #3002713.
59 - Block sb.scorecardresearch.com, too. Reported by dg1727 in #2992652.
60 - Fix problems noticed on Yahoo mail and news pages.
61 - Remove the too broad yahoo section, only keeping the
62 fast-redirects exception as discussed on ijbswa-devel@.
63 - Don't block adesklets.sourceforge.net. Reported in #2974204.
64 - Block chartbeat ping tracking. Reported in #2975895.
65 - Tag CSS and image requests with cautious and medium settings, too.
66 - Don't handle view.atdmt.com as image. It's used for click-throughs
67 so users should be able to "go there anyway".
68 Reported by Adam Piggott in #2975927.
69 - Also let the refresh-tags filter remove invalid refresh tags where
70 the 'url=' part is missing. Anonymously reported in #2986382.
71 While at it, update the description to mention the fact that only
72 refresh tags with refresh times above 9 seconds are covered.
73 - javascript needs to be blocked with +handle-as-empty-document to
74 work around Firefox bug 492459. So move .js blockers from
75 +block{Might be a web-bug.} -handle-as-empty-document
77 +block{Might be a web-bug.} +handle-as-empty-document
78 - ijbswa-Feature Requests-3006719 - Block 160x578 Banners.
79 - Block another omniture tracking domain
80 - Added a range-requests tagger.
82 - Documentation improvements:
83 - Explicitly mention how to match all URLs.
84 - Consistently recommend socks5 in the Tor FAQ entry and mention
85 its advantage compared to socks4a. Reported by David in #2960129.
86 - Slightly improve the explanation of why filtering may appear
89 - Privoxy-Log-Parser improvements:
90 - Also gather statistics for blocked requests.
91 - Also gather statistics for fast redirections.
92 - In print_stats(), also provide the percentage of keep-alive offers the client accepted.
93 - Add a --url-statistics-threshold option.
94 - Also gather statistics for ressources, methods, and HTTP versions
96 - Fix a bug in handle_loglevel_header() where a 'scan: ' got lost.
97 - Add a --shorten-thread-ids option to replace the thread id with a decimal number.
98 - Accept and ignore: Looks like we got the last chunk together with the server headers. We better stop reading.
99 - Accept and ignore: Continue hack in da house.
100 - Accept and higlight: Rejecting connection from 10.0.0.2.
101 Maximum number of connections reached.
102 - Accept and highlight actions and filter filte loading:
103 Loading actions file: /usr/local/etc/privoxy/default.action
104 Loading filter file: /usr/local/etc/privoxy/default.filter
107 - Remove the next member from the client_state struct.
108 Only the main thread needs access to all client
109 states so give it its own struct.
110 - Garbage-collect request_contains_null_bytes().
111 - Ditch redundant code in unload_configfile().
112 - Ditch LogGetURLUnderCursor() which doesn't seem to be used anywhere.
114 - In write_socket(), remove the write-only variable write_len in an ifdef __OS2__ block.
116 - In resolve_hostname_to_ip(), limit the scope of the variable 'dns_retries'.
117 - In connect_to(), don't declare the variable 'flags' on OS/2 where it isn't used.
119 - In xtoi(), limit the scope of the variable d2.
120 - In main(), limit the scope of the variable pid.
121 - In client_if_modified_since(), limit the scope of the variables hours, minutes and seconds.
122 - In server_last_modified(), limit the scope of the variables days, hours, minutes and seconds.
123 - In add_to_iob(), limit the scope of the variable 'want' and turn an interestingly looking for loop into a boring while loop.
124 - Code cleanup in preparation for external filters.
125 - In listen_loop(), mention the socket on which we accepted the
126 connection, not just the source IP address.
127 - In write_socket(), also log the socket we're writing to.
128 - In log_error(), assert that escaped characters get logged completely or not at all.
129 - In log_error(), assert that ival and sval have reasonable values. There's no
130 reason not to abort() if they don't.
131 - Remove an incorrect cgi_error_unknown() call in a cannnot-happen-situation in send_crunch_response().
132 - Clean up white-space in http_response definition and move the crunch_reason to the beginning.
133 - Turn http_response.reason into an enum and rename it to http_response.crunch_reason.
135 - GNUmakefile improvements:
136 - Use $(SSH) instead of ssh, so one only needs to specify a username once.
137 - Removed references to the action feedback thingy that hasn't been
139 - Consistently use shell.sourceforge.net instead of shell.sf.net so
140 one doesn't need to check server fingerprints twice.
141 - Removed GNUisms in the webserver and webactions targets so they
142 work with standard tar.
144 *** Version 3.0.16 Stable ***
146 - Added the config file option handle-as-empty-doc-returns-ok to
147 work around Firefox bug #492459, which causes Firefox to hang
148 if JavaScripts are blocked in certain situations. The option is
149 enabled in the default config file.
150 - Added the config file option default-server-timeout to control the
151 assumed default server timeout. Since Privoxy no longer returns
152 an error message for connection resets on reused client connections,
153 assuming larger server timeout values appears to actually work
154 pretty well as long as connections aren't shared.
155 - Added optional support for FreeBSD's accf_http(9). Use the
156 configure option --enable-accept-filter to enable it.
157 - Added fancier Privoxy icons for win32. Contributed by Jeff H.
158 - In daemon mode, fd 0, 1 and 2 are bound to /dev/null.
159 - Resolve localhost using whatever address family the operating
160 system feels like. Previous betas would try to use IPv4 as this
161 is what most users expect, but this didn't work reliably on
163 - In the action lists on CGI pages, actions and their parameters are
164 no longer separated with a space. The action file parser doesn't
165 actually allow this and will throw an invalid syntax error if actions
166 and parameters in the action files are separated. Not adding the
167 spaces means copy and pasting CGI output into the action files works.
168 - The default keep-alive timeout has been reduced to 5 seconds to work
169 around hangs in clients that treat the proxy like any other host and
170 stop allowing any new connections if the "maximum number of
171 connections per host" is reached.
172 - Several webbug URLs that look like they are leading to images are now
173 blocked as image instead of empty documents. Doing the latter causes
174 WebKit-based clients to show a "missing image" icon which may mess up
176 - The no-such-domain template is used for DNS resolution
177 problems with FEATURE_IPV6_SUPPORT enabled. Previously the
178 connect-failed template was used. Reported by 'zebul666'.
179 - Accepts quoted expiration dates even though RFC 2109 10.1.2
180 doesn't seem to allow them. Reported anonymously.
181 - Don't try to forget connections if connection sharing is disabled.
182 This wasn't a real problem but caused an unnecessary log message.
183 - The still undocumented --enable-extended-host-patterns configure
184 option has a better description.
185 - Fixed an error message that would claim a write to the server
186 failed when actually writing to the client failed.
187 - Log the crunch reason before trying to write to the client.
188 The log is easier to read that way.
189 - Several log messages about client connections also mention
191 - handle-as-empty-document no longer depends on the image blocking
193 - Privoxy-Log-Parser is roughly 40% faster in highlighting mode.
194 - uagen, a Firefox User-Agent generator for Privoxy and Mozilla
195 browsers has been imported and is available in the tarball's
197 - The scripts in the tools directory treat unknown parameters
200 *** Version 3.0.15 Beta ***
202 - In case of missing server data, no error message is send to the
203 client if the request arrived on a reused connection. The client
204 is then supposed to silently retry the request without bothering
205 the user. This should significantly reduce the frequency of the
206 "No server or forwarder data received" error message many users
208 - More reliable detection of prematurely closed client sockets
209 with keep-alive enabled.
210 - FEATURE_CONNECTION_KEEP_ALIVE is decoupled from
211 FEATURE_CONNECTION_SHARING and now available on
213 - Improved handling of POST requests on reused connections.
214 Should fix problems with stalled connections after submitting
215 form data with some browser configurations.
216 - Fixed various latency calculation issues.
217 - Allows the client to pass NTLM authentication requests to a
218 forwarding proxy. This was already assumed and hinted to work
219 in 3.0.13 beta but actually didn't. Now it's confirmed to work
220 with IE, Firefox and Chrome.
221 Thanks to Francois Botha and Wan-Teh Chang
222 - Fixed a calculation problem if receiving the server headers
223 takes more than two reads, that could cause Privoxy to terminate
224 the connection prematurely. Reported by Oliver.
225 - Compiles again on platforms such as OpenBSD and systems
226 using earlier glibc version that don't support AI_ADDRCONFIG.
227 Anonymously submitted in #2872591.
228 - A bunch of MS VC project files and Suse and Redhat RPM spec
229 files have been removed as they were no longer maintained for
231 - Overly long action lines are properly rejected with a proper
232 error message. Previously they would be either rejected as
233 invalid or cause a core dump through abort().
234 - Already timed-out connections are no longer temporarily remembered.
235 They weren't reused anyway, but wasted a socket slot.
236 - len refers to the number of bytes actually read which might
237 differ from the ones received. Adjust log messages accordingly.
238 - The optional JavaScript on the CGI page uses encodeURIComponent()
239 instead of escape() which doesn't encode all characters that matter.
240 Anonymously reported in #2832722.
241 - Fix gcc45 warnings in decompress_iob().
242 - Various log message improvements.
243 - Privoxy-Regression-Test supports redirect tests.
244 - Privoxy-Log-Parser can gather some connection statistics.
246 *** Version 3.0.14 Beta ***
248 - The latency is taken into account when evaluating whether or not to
249 reuse a connection. This should significantly reduce the number of
250 connections problems several users reported.
251 - If the server doesn't specify how long the connection stays alive,
252 Privoxy errs on the safe side of caution and assumes it's only a second.
253 - The error pages for connection timeouts or missing server data use a
254 Last-Modified date in the past. Retry attempts are detected and Privoxy
255 removes the If-Modified-Since header to prevent the server from responding
256 with status code 304 in which case the client would reuse the error message.
257 - Setting keep-alive-timeout to 0 disables keep-alive support. Previously
258 Privoxy would claim to allow persistence but not reuse the connection.
259 - Pipelined requests are less likely to be mistaken for the request
260 body of the previous request. Note that Privoxy still has no real
261 pipeline support and will either serialize pipelined requests or
262 drop them in which case the client has to resent them.
263 - Fixed a crash on some Windows versions when header randomization
264 is enabled and the date couldn't be parsed.
265 - Privoxy's keep-alive timeout for the current connection is reduced
266 to the one specified in the client's Keep-Alive header.
267 - For HTTP/1.1 requests, Privoxy implies keep-alive support by not
268 setting any Connection header instead of using 'Connection: keep-alive'.
269 - If the socket isn't reusable, Privoxy doesn't temporarily waste
270 a socket slot to remember the connection.
271 - If keep-alive support is disabled but compiled in, the client's
272 Keep-Alive header is removed.
273 - Fixed a bug on mingw32 where downloading large files failed if
274 keep-alive support was enabled.
275 - Fixed a bug that (at least theoretically) could cause log
276 timestamps to be occasionally off by about a second.
277 - No Proxy-Connection header if added if there already is one.
278 - The configure script respects the $PATH variable when searching
281 *** Version 3.0.13 Beta ***
283 - Added IPv6 support. Thanks to Petr Pisar who not only provided
284 the initial patch but also helped a lot with the integration.
285 - Added client-side keep-alive support.
286 - The connection sharing code is only used if the connection-sharing
288 - The max-client-connections option has been added to restrict
289 the number of client connections below a value enforced by
290 the operating system.
291 - Fixed a regression reintroduced in 3.0.12 that could cause
292 crashes on mingw32 if header date randomization was enabled.
293 - Compressed content with extra fields couldn't be decompressed
294 and would get passed to the client unfiltered. This problem
295 has only be detected through statical analysis with clang as
296 nobody seems to be using extra fields anyway.
297 - If the server resets the Connection after sending only the headers
298 Privoxy forwards what it got to the client. Previously Privoxy
299 would deliver an error message instead.
300 - Error messages in case of connection timeouts use the right
302 - If spawning a child to handle a request fails, the client
303 gets an error message and Privoxy continues to listen for
304 new requests right away.
305 - The error messages in case of server-connection timeouts or
306 prematurely closed server connections are now template-based.
307 - If zlib support isn't compiled in, Privoxy no longer tries to
308 filter compressed content unless explicitly asked to do so.
309 - In case of connections that are denied based on ACL directives,
310 the memory used for the client IP is no longer leaked.
311 - Fixed another small memory leak if the client request times out
312 while waiting for client headers other than the request line.
313 - The client socket is kept open until the server socket has
314 been marked as unused. This should increase the chances that
315 the still-open connection will be reused for the client's next
316 request to the same destination. Note that this only matters
317 if connection-sharing is enabled.
318 - A TODO list has been added to the source tarball to give potential
319 volunteers a better idea of what the current goals are. Donations
320 are still welcome too: http://www.privoxy.org/faq/general.html#DONATE
322 *** Version 3.0.12 ***
324 - The socket-timeout option now also works on platforms whose
325 select() implementation modifies the timeout structure.
326 Previously the timeout was triggered even if the connection
327 didn't stall. Reported by cyberpatrol.
328 - The Connection: keep-alive code properly deals with files
329 larger than 2GB. Previously the connection was closed too
331 - The content length for files above 2GB is logged correctly.
332 - The user-manual directive on the show-status page links to
333 the documentation location specified with the directive,
334 not to the Privoxy website.
335 - When running in daemon mode, Privoxy doesn't log anything
336 to the console unless there are errors before the logfile
338 - The show-status page prints warnings about invalid directives
339 on the same line as the directives themselves.
340 - Fixed several justified (but harmless) compiler warnings,
341 mostly on 64 bit platforms.
342 - The mingw32 version explicitly requests the default charset
343 to prevent display problems with some fonts available on more
344 recent Windows versions. Patch by Burberry.
345 - The mingw32 version uses the Privoxy icon in the alt-tab
346 windows. Patch by Burberry.
347 - The timestamp and the thread id is omitted in the "Fatal error"
348 message box on mingw32.
349 - Fixed two related mingw32-only buffer overflows. Triggering
350 them required control over the configuration file, therefore
351 this isn't seen as a security issue.
352 - In verbose mode, or if the new option --show-skipped-tests
353 is used, Privoxy-Regression-Test logs skipped tests and the
356 *** Version 3.0.11 ***
358 - On most platforms, outgoing connections can be kept alive and
359 reused if the server supports it. Whether or not this improves
360 things depends on the connection.
361 - When dropping privileges, membership in supplementary groups
362 is given up as well. Not doing that can lead to Privoxy running
363 with more rights than necessary and violates the principle of
364 least privilege. Users of the --user option are advised to update.
365 Thanks to Matthias Drochner for reporting the problem,
366 providing the initial patch and testing the final version.
367 - Passing invalid users or groups with the --user option
368 didn't lead to program exit. Regression introduced in 3.0.7.
369 - The match all section has been moved from default.action
370 to a new file called match-all.action. As a result the
371 default.action no longer needs to be touched by the user
372 and can be safely overwritten by updates.
373 - The standard.action file has been removed. Its content
374 is now part of the default.action file.
375 - In some situations the logged content length was slightly too low.
376 - Crunched requests are logged with their own log level.
377 If you used "debug 1" in the past, you'll probably want
378 to additionally enable "debug 1024", otherwise only passed
379 requests will be logged. If you only care about crunched
380 requests, simply replace "debug 1" with "debug 1024".
381 - The crunch reason has been moved to the beginning of the
382 crunch message. For HTTP URLs, the protocol is logged as well.
383 - Log messages are shortened by printing the thread id on its
384 own (as opposed to putting it inside the string "Privoxy()").
385 - The config option socket-timeout has been added to control
386 the time Privoxy waits for data to arrive on a socket.
387 - Support for remote toggling is controlled by the configure
388 option --disable-toggle only. In previous versions it also
389 depended on the action editor and thus configuring with the
390 --disable-editor option would disable remote toggling support
392 - Requests with invalid HTTP versions are rejected.
393 - The template symbol @date@ can be used to include a date(1)-like
394 time string. Initial patch submitted by Endre Szabo.
395 - Responses from shoutcast servers are accepted again.
396 Problem reported and fix suggested by Stefan.
397 - The hide-forwarded-for-headers action has been replaced with
398 the change-x-forwarded-for{} action which can also be used to
399 add X-Forwarded-For headers. The latter functionality already
400 existed in Privoxy versions prior to 3.0.7 but has been removed
401 as it was often used unintentionally (by not using the
402 hide-forwarded-for-headers action).
403 - A "clear log" view option was added to the mingw32 version
404 to clear out all of the lines in the Privoxy log window.
405 Based on a patch submitted by T Ford.
406 - The mingw32 version uses "critical sections" now, which prevents
407 log message corruption under load. As a side effect, the
408 "no thread-safe PRNG" warning could be removed as well.
409 - The mingw32 version's task bar icon is crossed out and
410 the color changed to gray if Privoxy is toggled off.
412 *** Version 3.0.10 ***
414 - Ordinary configuration file changes no longer cause program
415 termination on OS/2 if the name of the logfile hasn't been
416 changed as well. This regression probably crept in with the
417 logging improvements in 3.0.7. Reported by Maynard.
418 - The img-reorder filter is less likely to mess up JavaScript code in
419 img tags. Problem and solution reported by Glenn Washburn in #2014552.
420 - The source tar ball now includes Privoxy-Log-Parser,
421 a syntax-highlighter for Privoxy logs. For fancy screenshots see:
422 http://www.fabiankeil.de/sourcecode/privoxy-log-parser/
423 Documentation is available through perldoc(1).
425 *** Version 3.0.9 Beta ***
427 - Added SOCKS5 support (with address resolution done by
428 the SOCKS5 server). Patch provided by Eric M. Hopper.
429 - The "blocked" CGI pages include a block reason that was
430 provided as argument to the last-applying block action.
431 - If enable-edit-actions is disabled (the default since 3.0.7 beta)
432 the show-status page hides the edit buttons and explains why.
433 Previously the user would get the "this feature has been disabled"
434 message after using the edit button.
435 - Forbidden CONNECT requests are treated like blocks by default.
436 The now-pointless treat-forbidden-connects-like-blocks action
438 - Not enabling limit-connect now allows CONNECT requests to all ports.
439 In previous versions it would only allow CONNECT requests to port 443.
440 Use +limit-connect{443} if you think you need the old default behaviour.
441 - The CGI editor gets turned off after three edit requests with invalid
442 file modification timestamps. This makes life harder for attackers
443 who can leverage browser bugs to send fake Referers and intend to
444 brute-force edit URLs.
445 - Action settings for multiple patterns in the same section are
446 shared in memory. As a result these sections take up less space
447 (and are loaded slightly faster). Problem reported by Franz Schwartau.
448 - Linear white space in HTTP headers will be normalized to single
449 spaces before parsing the header's content, headers split across
450 multiple lines get merged first. This should prevent problems like:
451 * letting the session-cookies-only action slip
452 some Cookies through unmodified,
453 * only suppressing the first line of a header,
454 thus creating an invalid one, and
455 * to incorrectly block headers with valid timestamps
456 that weren't properly recognized.
457 Headers that could trigger these problems are unlikely to appear
458 in "normal" web traffic, but could be intentionally generated to
459 fool some of Privoxy's header parsers.
460 - Host information is gathered outside the main thread so it's less
461 likely to delay other incoming connections if the host is misconfigured.
462 - New config option "hostname" to use a hostname other than
463 the one returned by the operating system. Useful to speed-up responses
464 for CGI requests on misconfigured systems. Requested by Max Khon.
465 - The CGI editor supports the "disable all filters of this type"
466 directives "-client-header-filter", "-server-header-filter",
467 "-client-header-tagger" and "-server-header-tagger".
468 - Fixed false-positives with the link-by-url filter and URLs that
469 contain the pattern "/jump/".
470 - The less-download-windows filter no longer messes
471 "Content-Type: application/x-shockwave-flash" headers up.
472 - In the show-url-info page's "Final results" section active and
473 inactive actions are listed separately. Patch provided by Lee.
474 - The GNUmakefile supports the DESTDIR variable. Patch for
475 the install target submitted by Radoslaw Zielinski.
476 - Embedding the content of configuration files in the show-status
477 page is significantly faster now. For a largish action file (1 MB)
478 a speedup of about 2450 times has been measured. This is mostly
479 interesting if you are using large action files or regularly use
480 Privoxy-Regression-Test while running Privoxy through Valgrind,
481 for stock configuration files it doesn't really matter.
482 - If zlib support is unavailable and there are content
483 filters active but the prevent-compression action is disabled,
484 the show-url-info page includes a warning that compression
485 might prevent filtering.
486 - The show-url-info page provides an OpenSearch Description that
487 allows to access the page through browser search plugins.
488 - Custom client-header filters that rewrite the request line
489 incorrectly no longer cause Privoxy to crash. Reported by din_a4.
490 - The obsolete kill-popups action has been removed as the
491 PCRS-based popup filters can do the same and are slightly
493 - The inspect-jpegs action has been removed.
494 - The send-wafer and send-vanilla-wafer actions have been removed.
495 They weren't particular useful and their behaviour could be emulated
496 with add-header anyway.
497 - Privoxy-Regression-Test has been significantly improved.
498 - Most sections in the default.action file contain tests for
499 Privoxy-Regression-Test to verify that they are working as intended.
500 - Parts of Privoxy have been refactored to increase maintainability.
501 - Building with zlib (if available) is done by default.
503 *** Version 3.0.8 ***
505 - Fixed a small memory leak when listen-address only specifies the port.
506 - The source tar balls now include Privoxy-Regression-Test which
507 (upon other things) can be used to automatically detect some
508 packaging problems. Packagers are welcome to give it a try.
509 - Reverted a change in 3.0.7 that caused path patterns to be checked
510 even if the host pattern match already failed. While this doesn't
511 noticeable affect the performance, it makes it less likely to run
512 out of stack space with overly-complex path patterns the user might
514 - Updated the msn, yahoo and google filters to work as advertised again.
515 - The warning message shown by the show-status CGI page is easier to
516 understand. Previously it wasn't clear that the error message
517 is shown below the invalid directive. (Reported by Lee)
518 - When regenerating Content-Disposition headers the more common
519 spelling is used for the name. Previously it was written without caps.
520 - Less confusing log message if the content type isn't overwritten
521 because force-text-type wasn't used but the old type doesn't look
522 like content that would be filtered normally.
523 - Better log messages if the user tries to execute filters that
525 - Treat the non-standard Request-Range headers like standard range
526 headers and suppress them if content filtering is enabled.
527 - Prevent the log messages for CONNECT requests to unacceptable
528 ports from printing the limit-connect argument as [null] if
529 limit-connect hasn't been explicitly enabled.
530 - Don't disable the mingw32 log window if the logfile directive
531 isn't used. While it was an intentional change in 3.0.7 at least
532 one user perceived it as a regression and the same effect can
533 be achieved by disabling all debug directives.
534 - Fixed two minor problems related to the win32 build process: a css
535 file was not being in the installer and the trustfile comment in the
536 config.txt referenced a nonexisting file
537 - Minor documentation fixes.
539 *** Version 3.0.7 Beta ***
541 - Added zlib support to filter content with gzip and deflate
542 encoding. (Patch provided by Wil Mahan)
543 - Dedicated filters and actions are used for header filtering.
544 "filter-client-headers" and "filter-client-headers" are no longer
545 supported, use server-header-filter{} and client-header-filter{}
547 - Tags can be used to change actions based on HTTP headers.
548 - New server-header filter: less-download-windows.
549 - New client-header taggers: css-requests, image-requests,
550 client-ip-address, http-method, allow-post, complete-url,
551 user-agent and privoxy-control.
552 - New server-header taggers: content-type and privoxy-control.
553 - The forward-override{} action allows to change the forwarding
554 settings through the action files, for example based on client
555 headers like the User-Agent, or the request origin.
556 - Socks errors are no longer handled by the CGI page for
557 DNS resolution failures.
558 - CGI pages use favicons to signal whether they are error
559 or control pages. This is useful if you rely heavily on
561 - The show-url-info CGI page shows the forwarding settings.
562 - "Crunch!" log messages (used when Privoxy answers requests
563 by itself) now also contain the reason.
564 - Allow to rewrite the request destination behind the client's back.
565 - Fix socks requests on big-endian platforms. Patch provided by Song Weijia.
566 - Fixes possible deadlocks and crashes on OpenBSD.
567 Patch provided by Ralf Horstmann.
568 - The CGI action editor allows to edit actionfiles with previously
569 forbidden characters like dots.
570 - New trust entries are saved with a comment that contains the
571 trusted referring URL (Suggested by Daniel Griscom).
572 - Filter descriptions are HTML encoded automatically.
573 - New config option "split-large-forms" to work
574 around a browser bug that caused IE6 and IE7 to ignore
575 the Submit button on the edit-actions-for-url CGI page.
576 - New config option "allow-cgi-request-crunching" to allow
577 requests for Privoxy's CGI pages to be blocked, redirected
578 or (un)trusted like ordinary requests.
579 - Empty filter files no longer interrupt the filtering process
580 prematurely and are correctly listed on the show-status CGI page.
581 - New config option "accept-intercepted-requests" to combine
582 Privoxy with any packet filter to build an intercepting proxy
583 for HTTP/1.1 requests (and for HTTP/1.0 requests with Host header set).
584 - fast-redirects{} catch redirects to https URLs as well.
585 - redirect{s@foo@bar@} can be used to redirect to a rewritten
586 version of the original URL.
587 - Trap unsupported gopher proxy requests.
588 - Fixed a bug in the User Manual delivery on Windows
589 (mingw32 only). Images now show up correctly and HTML
590 pages are no longer padded with garbage data.
591 - Fixed several minor memory leaks, most of them discovered with Valgrind.
592 - Only unlink the pidfile if it's actually used.
593 - Retries after connection problems with forced requests
594 aren't blocked again.
595 - On Unix SIGABRT causes a core dump as expected and is no
596 longer treated as normal shutdown signal.
597 - The "access denied" CGI page is more descriptive and
598 allows retries to circumvent the referrer check.
599 - Updated PCRS to handle unexpected PCRE errors properly.
600 Fixed crashes that could occur if Privoxy was build
601 with external PCRE versions newer than Privoxy's internal
602 one. (Reported by Chung-chieh Shan)
603 - Fixed crashes with null bytes in PCRS replacement strings
604 (Patch provided by Felix Gröbert).
605 - Fixed crashes with header time randomization on mingw32.
606 - The CGI style sheet is no longer delivered if the referring
607 page isn't a Privoxy CGI page. This prevents a JavaScript-based
608 Privoxy detection "attack". Note that detecting Privoxy is
609 still possible through other ways and Privoxy was never intended
610 to be invisible anyway.
611 - Added support for AmigaOS 4, fixed build for AmigaOS 3.x.
612 - The show-url-info CGI page displays a warning if Privoxy
613 is currently toggled off.
614 - The show-status CGI page suppresses the edit button
615 for action files if Privoxy has no write access.
616 - Most CGI error pages react properly to HEAD requests.
617 - Requests with RFC 3253 HTTP methods (used by Subversion)
618 are accepted. (Patch provided by Petr Kadlec)
619 - New config option "templdir" to change the location
620 of the CGI templates to make sure customized templates
622 - Better handling of "HTTP/1.1 100 Continue" responses.
623 - The background of the PNG pattern is transparent.
624 - Fixed XML syntax errors caused by banners-by-size and banners-by-url.
625 - Fixed crashes and possible action file corruptions
626 when lines containing hashes are written through the CGI editor.
627 - Supports dynamic filters which can contain variables.
628 - Supports tags to change the actions based on client or server headers.
629 - Incorrect actions are logged before program termination.
630 - The "actionsfile" syntax in the configuration file is consistent
631 with the rest of the configuration options and requires the
632 whole file name. This is an incompatible change, if you use
633 an old configuration file you might have to append ".action"
634 to your "actionsfile" directives.
635 - With the configuration file option "enforce-blocks" the
636 "go there anyway" mechanism can be disabled without recompiling
638 - More precise error messages in case of incorrect acl syntax.
639 - Logs a warning if filtering is enabled but impossible due
640 to lack of zlib support or use of the prevent-compression action.
641 - Less noisy handling of Cookie:" and "Connection:" headers.
642 - Improved error messages in case of connection problems.
643 - Fix a command-line-parsing bug that was introduced before 3.0.5
644 beta and caused Privoxy to treat the last argument as configuration
645 file if no configuration file was specified.
646 - Treat unknown command line options as fatal errors instead
647 of silently ignoring them.
648 - Use string functions with length checks more often.
649 - Don't log CONNECT requests twice.
650 - Allow to log the source address for ACL-related connection drops.
651 - Don't ignore applying filters if the server didn't
652 specify a Content-Type. Bug reported by Amuro Namie.
653 - Rejected CONNECT requests are logged with log level info
654 (enabled by default) and the reason for the block.
655 - New command line option "--pre-chroot-nslookup hostname" to
656 intialize the resolver library before chroot'ing. On some systems this
657 reduces the number of files that must be copied into the chroot tree.
658 (Patch provided by Stephen Gildea)
659 - Fix a long-standing memory corruption bug that could cause
660 Privoxy to overwrite a single byte in memory it didn't explicitly
661 allocate (but that probably was allocated anyway due to bucket size).
662 - Send template-based CGI pages as HTTP/1.1 unless the client
664 - Let the first line in connection established responses
665 end in \r\n as required by RFC1945. Reported by Bert van Leeuwen.
666 - If no log file has been specified, disable logging instead of logging
668 - Don't block stderr when in daemon mode.
669 - Ignore missing zero-chunks when filtering chunk-encoded content.
670 Earlier Privoxy versions would buffer and then forward the content
671 unmodified which caused some browsers to simply show empty pages.
672 - Fix double free in cgi_edit_actions_list(). Reported by Venustech AD-LAB.
673 - The code to add X-Forwarded-For headers when the hide-forwarded-for-headers
674 action isn't being used has been removed.
675 - Fixed trustfile feature which previously didn't work without FEATURE_TOGGLE.
677 - Minor code clean-ups, filter and action file updates.
678 (Some of them reported by Davide Alberani, Markus Elfring,
679 Stefan Huehner and Adam Piggott)
681 *** Version 3.0.6 ***
683 - New content filters: no-ping, google, msn, yahoo and blogspot.
684 - New header filters: x-httpd-php-to-html, html-to-xml, xml-to-html
685 and hide-tor-exit-notation.
686 - The special header "X-Filter: No" now disables header filtering as well.
687 - Improved the filters img-reorder, js-annoyances, webbugs,
688 banners-by-size, banners-by-link and ie-exploits to make them
689 less likely to break anything.
690 - Removed outdated URL patterns in default.action and added new ones.
691 - Added redirection from http://p.p/user-manual to http://p.p/user-manual/
692 - Changed webinterface default values for hide-user-agent, hide-referrer
693 and set-image-blocker.
695 *** Version 3.0.5 Beta ***
697 - Windows version can be installed/started as a service.
698 - Windows icon stays blue when Privoxy is idle, green when busy.
699 - Integrated Fabian Keil's extensive patch. See:
700 http://www.fabiankeil.de/sourcecode/privoxy/. Includes the
701 following new or significantly improved actions (among many
704 content-type-overwrite{}
705 crunch-client-header{string}
707 crunch-server-header{string}
708 fast-redirects{check-decoded-url}
709 filter-client-headers
710 filter-server-headers
712 handle-as-empty-document
713 hide-accept-language{}
714 hide-content-disposition{}
715 hide-if-modified-since
716 hide-referrer{conditional-block}
717 overwrite-last-modified{}
719 treat-forbidden-connects-like-blocks
721 - Standard-compliant clients are prevented from displaying cached
722 copies of Privoxy's error messages after the cause of the problem
724 - Improved DNS error handling.
725 - Multiple filter files can now be specified in config.
726 - Added jpeg filtering to defend against MS jpeg vulnerability MS04-028
727 with the new inspect-jpegs action.
728 - Removed the "arbitrary" 1000 filter limit - addresses tracker #911950
729 - Thanks to Jindrich Makovicka for a race condition fix for the log
730 file. The race condition remains for non-pthread implementations.
731 Reference patch #1175720. Various other logging enhancements.
732 - A pile of assorted bug fixes, memory leaks, enhancements, etc.
733 - Moved Actions file reporting mechanism to SF tracker.
734 - Two new options for config: enable-remote-http-toggle and
735 forwarded-connect-retries.
736 - Trap unsupported FTP requests.
737 - Let text/xml be filtered.
738 - Numerous updates to default.action
739 - Increase the compiled in limit of trusted referrers from 64 to 512
740 (for trustfile users).
742 *** Version 3.0.3 ***
744 - Fixed yet another two memory leaks. Process growth seems stopped now.
745 - Further tightened security against malicious toggle-off links.
746 - Excluded text/plain MIME types from filtering. This fixes a
747 couple of client-crashing, download corruption and
748 Privoxy performance issues, whose root cause lies in
749 web servers labelling content of unknown type as text/plain.
750 - Assorted fixes for POSIX compliance, signal handling, graceful
751 termination, compiler warnings, OSX support, Win32 systray,
752 error logging, hostname wildcards, correct detection of NetBSD.
753 - Workarounds for client (iTunes etc) and server (PHP < 4.2.3) bugs
754 including the notorious "blank page" problem.
755 - Various filter improvements; most notably the unsolicited-popups
756 filter became less destructive
757 - Major revamp of the actions file
759 *** Version 3.0.2 ***
761 - Fixed two memory leaks, one serious
762 - Fixed bug in pcrs which could cause crashes with user-defined filters
763 - Fixed bug in domain name matching
764 - Assorted small fixes (Win32 menu, CGI URL editor, ..)
765 - Added basic support for the OPTIONS and TRACE http methods
766 - Added workaround for Bug in Mac OSX that made Privoxy crash occasionally
767 - Refined the default action file through >400 items of user feedback
769 - Assorted refinements, optimizations and fixes in the js-annoyances,
770 img-reorder, banners-by-size, banners-by-link, webbugs, refresh-tags,
771 html-annoyances, content-cookies and fun filters
772 - Replaced filter "popups" by choice between two modes:
773 - "unsolicited-popups" tries to catch only the unsolicited ones
774 - "all-popups" tries to kill them all (as before)
775 - New filter "tiny-textforms" Help those tiny or hard-wrap textareas.
776 - New filter "jumping-windows" that prevents windows from resizing
777 and moving themselves
778 - New filter "demoronizer" which fixes MS's abuse of std charsets
779 (common cases anyway).
780 - Replaced "nimda" with more general "ie-exploits" filter in which
781 all filters for exploits shall be collected
782 - Improved cookie logging
783 - Rewrote make install target. Added uninstall and install-strip
785 - Fixed a potential (application-level, NOT OS-level!) security
786 problem involving remote toggling and action file manipulation
787 by mailicious websites.
788 - Added ability to chroot (thanks to Sviatoslav Sviridov)
789 - Added more action aliases for prehistoric action names
790 - Add Slackware support to Makefile.
794 - Fixed Windows startmenu items, log window and tray icon menus.
795 - Added warning for bogus install target
796 - Added quicktime-kioskmode filter and improved frameset-borders
797 - Updated default.action based on latest feedback
798 - New PDF doc build process
799 - Add a user contrib module to cvs:
800 http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/ijbswa/contrib/
802 *** Version 2.9.18 ***
804 - Added workaround for IE bug that broke CGI interface
805 - Bugfix: String actions now reliably editable through CGI interface
806 - Three filters fixed (again!)
807 - Assorted small fixes and doc enhancements
809 *** Version 2.9.16 ***
811 - Major revamp of default.action to get rid of years of cruft.
812 - Same for default.filter
813 - Re-design and major improvements to the CGI editor interface.
814 - Address spurious 'out of memory' error due to incorrect file permissions.
815 - Impose buffer limits while reading client and server headers.
816 - Better memory and CPU optimization.
817 - Add Conectiva Linux package.
818 - user-manual directive added to config for help links from within CGI
820 - Multiple actions files can now be specified in config.
821 - Actions files are changed to: default.action, standard.action, and
822 user.action. user.action is for personal/local configuration.
823 - The usual many small and miscellaneous bug and security fixes.
825 *** Version 2.9.14 Beta ***
827 - Fix Solaris compile problem (gateway.h and filters.h)
828 - Makefile fixes for Solaris, FreeBSD (?)
829 - Fix build failure where certain features were disabled.
830 - 'blocked-compact' template is removed. Various CGI improvements,
831 including an adaptive 'blocked' template.
832 - Various tweaks for actions file to get ready for stable 3.0
833 - Included a 'Bookmarklet' and PHP scripts for reporting actions file
834 problems via web interface at privoxy.org. Accessed via internal CGIs.
835 - Include cgi-style.css for templates.
836 - #include mechansim for common text in templates
837 - Various other minor fixes.
839 *** Version 2.9.13 Beta ***
841 - *NEWS*: The project has been renamed to Privoxy! The new name is
842 reflected throughout (file locations, etc).
843 - ijb.action is now default.action. re_filterfile is now
845 - http://i.j.b/ is now http://p.p/
846 - The 'logo' option for replacing ad iamges is removed now. 'Pattern'
847 (checkerboard) is now the default.
848 - RPM spec file make over.
851 *** Version 2.9.12 Beta ***
853 - **READ**: The default listening PORT is NOW 8118!!! Changed from
854 8000 due to conflict with NAS (Network Audio Server, whatever that
856 - More CGI actions editor fixes and improvements.
857 - Win32 command line fix ups.
858 - re_filterfile now has modular sections that can be activated on a
859 per site basis. Some new goodies there too.
860 - +filter now takes arguments to match FILTER sections in re_filterfile
861 for even more flexibility.
862 - Added a new image blocker option: +image-blocker{pattern}, which
863 displays a checkerboard patthern and scales better than the logo.
864 - PNG images will be used in place of GIF for JB built-in images
865 if configured with --enable-no-gif.
866 - Clean up compiler warnings (mostly).
867 - Improved handling of failed DNS lookups & diagnostics for failed bind
869 - Made --no-daemon mode log to tty instead of logfile.
870 - Various spec file and init script cleanups and improvements (Redhat and
872 - CGI Editor works on OS/2 now.
873 - Fix restart failure where sockets were in TIME_WAIT.
874 - Fixes for actions cgi editor, make sure we have right file.
875 - A --pidfile command line option now, in addition to --help,
876 --version, --no-daemon, --user and configfile. --no-daemon replaces
877 the former -d option and _DEBUG define. --user will drop privileges
878 to the specified user.
879 - Signal handling cleanups (*nix).
880 - CGI actions editor improvements and fixes.
881 - Error handling improvements, especially out of memory.
882 - Default re_filterfile fix that caused spurious IJB logos
883 (instead of 'blank').
884 - configure.in threading fixes for Solaris.
885 - Various other minor fixes.
888 *** Version 2.9.11 Beta Changes ***
890 - Add "session" cookie concept where cookies exist for the life
891 of that browser session only (ie never goes to disk).
892 - Checks for correct header length.
893 - Fix user:pass@host.domain.com auth bug.
894 - Better signal handling on *nix.
895 - Fix CFLAGS hard-coded in configure.in
896 - Fix threading bug re: gethostbyname() that caused random
897 URLs to fail in some cases.
900 *** Version 2.9.11 Alpha Changes ***
902 - A web-based editor for the actions file is included (go to http://i.j.b/).
903 - Web-based toggle IJB on/off support.
904 - Cookie handling has changed - the new +no-cookies-keep feature is now the
906 - actionsfile is renamed to ijb.action.
907 - junkbstr.txt is now config.txt on Win32.
908 - Support for running IJB as a UNIX daemon process has improved.
909 - Unix daemon now returns error code on failed start.
910 - Timestamps in logfile and jarfile now.
911 - Fix for the Netscape bug reintroduced in 2.9.9.
912 - make should now abort if gmake (GNU make) not present.
913 - Many other minor bugfixes
914 - Start a ChangeLog :)
918 *** Version 2.9.3 pre-Alpha Changes ***
920 - Amiga support (completely untested by me - I don't have an Amiga)
921 - "tinygif 3" support (redirects blocked images to a specified URL, so
922 the browser doesn't have to load and cache many copies of the same
924 - one case where there were both local and global "referrer" variables
925 (yuck!) clarified by renaming the local one to "refer".
926 - Fixed some places where close() was used instead of close_socket().
927 Thanks to Jörg Strohmayer (joergs at users.sourceforge.net) for these.
928 - Temporary hack to get FORCE_LOAD to work with IE. I just lowercased the
929 FORCE_LOAD_PREFIX. Needs fixing properly.
930 - Most URLs hardcoded into Junkbuster were changed to go through a script
931 e.g. http://ijbswa.sourceforge.net/redirect.php?v=2.9.3&to=faq
932 The only other URLs left are the GNU GPL:
933 http://www.fsf.org/copyleft/gpl.html
935 http://ijbswa.sourceforge.net/
936 ... and various URLs which will be intercepted by Junkbuster anyway.
937 TODO: Still need to do something with the URLs in Junkbuster Corp's
938 copyright/trademark notice on the bottom of the show-proxy-args page.
939 - PCRE or GNU Regex is now a #define option.
942 *** Version 2.9.2 pre-Alpha Changes ***
944 - Andreas applied the latest version of the FORCE patch.
947 *** Version 2.9.1 pre-Alpha Changes ***
949 - in parsers.c, fixed two #ifdef FORCE to #ifdef FORCE_LOAD
950 (BTW: I think FORCE is precise enough, since loading remote
951 data is the whole purpose of a proxy..)
952 - Set the FORCE_PREFIX (back) to 'IJB-FORCE-LOAD-'. While 'noijb.'
953 is more elegant and looks like a hostname in the URL, it doesn't
954 make clear to the inexperienced user that the proxy is bypassed. It
955 also has a higher name collision risk.
956 - Filled in the function header templates for my functions in
957 parsers.c (again). They obviously got lost in our current
959 - Cut the credit for the §-referrer-option from the config file,
960 that Stefan had placed there.
961 - Improved the re_filterfile
964 *** Version 2.9.0 pre-Alpha Changes ***
966 - Now use PCRE, not GNU REGEX. I have not yet had chance to check the
967 syntax of the block/image/cookie file to ensure that they match what
968 is expected - however they seem to work.
969 - Replaced "configure" script with one generated by "autoconf". Also
970 use a header "config.h" (was ijbconfig.h in my previous release) for
971 the #defines. "config.h" is now generated with "autoheader" from
972 "acconfig.h" and "configure.in". (Note that to install you do not
973 need autoconf or autoheader - just run "./configure".)
974 To see command-line options, run "./configure --help".
975 This is my first ever autoconf script, so it has some rough edges
976 (how PCRE is handled is the roughest).
977 - Error logging code replaced with new module errlog.c, based on the
978 one from JunkbusterMT (but with the threading code removed).
979 - Most of Rodney's 0.21 and 0.21A patches applied. (Marked *). I did not
980 apply all of these, since I had already independently done conditional
981 popup file, conditional image file, and integration of popup code.
982 - ACL, Jar and trust files conditionally compiled.
983 - New source file headers.
984 - Various cosmetic changes. (But I have not consistently ordered the
985 config files - I think that's worthwhile, but it's 1am and I want to
987 - RCS tags on .h files.
988 - RCS tags are const char[] rather than const char *. (Saves 4 bytes
990 - VC++ project files renamed to vc_junkbuster.*.
991 - show-proxy-args now shows status of all conditionals, not just REGEX
992 - Various functions moved around. Most notably all the system-specific
993 sockets code which was spread between jcc.c, bind.c, and connect.c,
994 has been moved to "jbsockets.c". The non-system-specific code from
995 connect.c and socks4.c has been movet to "gateway.c". Also, the
996 config file loader and the global variables it writes to have been
997 moved to "loadcfg.c". (Maybe this should go into loaders.c?)
998 And candidate for the "worst filename ever" award is "miscutil.c",
999 which contains, well, miscellaneous utility functions like zalloc.
1000 (Suggestions for a better name for this file are welcome!)
1001 - Loaders now use a common function to read a line and skip comments,
1002 and this function also stores the proxy_args.
1003 - Added ./junkbuster --help (Not for Win32 GUI)
1004 - Added ./junkbuster --version (Not for Win32 GUI)
1005 - Win32 resources are now all marked as "U.S. English", rather than
1006 being a mix of "U.S. English", "U.K. English" and "Irish English".
1007 - Version number changes to 2.9.0
1010 ----------------------------------------------------------------------
1011 Copyright : Written by and Copyright (C) 2001-2010 the
1012 Privoxy team. http://www.privoxy.org/
1014 Based on the Internet Junkbuster originally written
1015 by and Copyright (C) 1997 Anonymous Coders and
1016 Junkbusters Corporation. http://www.junkbusters.com/
1018 This program is free software; you can redistribute it
1019 and/or modify it under the terms of the GNU General
1020 Public License as published by the Free Software
1021 Foundation; either version 2 of the License, or (at
1022 your option) any later version.
1024 This program is distributed in the hope that it will
1025 be useful, but WITHOUT ANY WARRANTY; without even the
1026 implied warranty of MERCHANTABILITY or FITNESS FOR A
1027 PARTICULAR PURPOSE. See the GNU General Public
1028 License for more details.
1030 The GNU General Public License should be included with
1031 this file. If not, you can view it at
1032 http://www.gnu.org/copyleft/gpl.html
1033 or write to the Free Software Foundation, Inc., 59
1034 Temple Place - Suite 330, Boston, MA 02111-1307, USA.