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  75 ><H1
  76 CLASS="SECT1"
  77 ><A
  78 NAME="WHATSNEW"
  79 >3. What's New in this Release</A
  80 ></H1
  81 ><P
  82 > There are many improvements and new features since <SPAN
  83 CLASS="APPLICATION"
  84 >Privoxy 3.0.6</SPAN
  85 >, the last stable release:</P
  86 ><P
  87 > <P
  88 ></P
  89 ><UL
  90 ><LI
  91 ><P
  92 >    Two new actions <A
  93 HREF="actions-file.html#SERVER-HEADER-TAGGER"
  94 >server-header-tagger</A
  95 >
  96           and <A
  97 HREF="actions-file.html#CLIENT-HEADER-TAGGER"
  98 >client-header-tagger</A
  99 >
 100           that can be used to create arbitrary <SPAN
 101 CLASS="QUOTE"
 102 >"tags"</SPAN
 103 >
 104           based on client and server headers.
 105           These <SPAN
 106 CLASS="QUOTE"
 107 >"tags"</SPAN
 108 > can then subsequently be used
 109           to control the other actions used for the current request,
 110           greatly increasing <SPAN
 111 CLASS="APPLICATION"
 112 >Privoxy</SPAN
 113 >'s flexibility and selectivity. See <A
 114 HREF="actions-file.html#TAG-PATTERN"
 115 >tag patterns</A
 116 > for more information on tags.
 117    </P
 118 ></LI
 119 ><LI
 120 ><P
 121 >    Header filtering is done with dedicated header filters now. As a result
 122     the actions <SPAN
 123 CLASS="QUOTE"
 124 >"filter-client-headers"</SPAN
 125 > and <SPAN
 126 CLASS="QUOTE"
 127 >"filter-server-headers"</SPAN
 128 >
 129     that were introduced with <SPAN
 130 CLASS="APPLICATION"
 131 >Privoxy 3.0.5</SPAN
 132 > to apply
 133     content filters to the headers have been removed.
 134     See the new actions <A
 135 HREF="actions-file.html#SERVER-HEADER-FILTER"
 136 >server-header-filter</A
 137 >
 138           and <A
 139 HREF="actions-file.html#CLIENT-HEADER-FILTER"
 140 >client-header-filter</A
 141 > for details.
 142    </P
 143 ></LI
 144 ><LI
 145 ><P
 146 >     There are four new options for the main <TT
 147 CLASS="FILENAME"
 148 >config</TT
 149 > file:
 150    </P
 151 ><P
 152 ></P
 153 ><UL
 154 ><LI
 155 ><P
 156 >          <A
 157 HREF="config.html#ALLOW-CGI-REQUEST-CRUNCHING"
 158 >allow-cgi-request-crunching</A
 159 >
 160           which allows requests for Privoxy's internal CGI pages to be
 161           blocked, redirected or (un)trusted like ordinary requests.
 162         </P
 163 ></LI
 164 ><LI
 165 ><P
 166 >          <A
 167 HREF="config.html#SPLIT-LARGE-FORMS"
 168 >split-large-forms</A
 169 >
 170           that will work around a browser bug that caused IE6 and IE7 to
 171           ignore the Submit button on the Privoxy's edit-actions-for-url CGI
 172           page.
 173           </P
 174 ></LI
 175 ><LI
 176 ><P
 177 >          <A
 178 HREF="config.html#ACCEPT-INTERCEPTED-REQUESTS"
 179 >accept-intercepted-requests</A
 180 >
 181           which allows to combine Privoxy with any packet filter to create an
 182           intercepting proxy for HTTP/1.1 requests (and for HTTP/1.0 requests
 183           with Host header set). This means clients can be forced to use
 184           <SPAN
 185 CLASS="APPLICATION"
 186 >Privoxy</SPAN
 187 > even if their proxy settings are configured differently.
 188          </P
 189 ></LI
 190 ><LI
 191 ><P
 192 >          <A
 193 HREF="config.html#TEMPLDIR"
 194 >templdir</A
 195 >
 196           to designate an alternate location for <SPAN
 197 CLASS="APPLICATION"
 198 >Privoxy</SPAN
 199 >'s
 200           locally customized CGI templates so that
 201           these are not overwritten during upgrades.
 202         </P
 203 ></LI
 204 ></UL
 205 ></LI
 206 ><LI
 207 ><P
 208 >   A new command line option <TT
 209 CLASS="LITERAL"
 210 >--pre-chroot-nslookup hostname</TT
 211 > to
 212    initialize the resolver library before chroot'ing. On some systems this
 213    reduces the number of files that must be copied into the chroot tree.
 214    (Patch provided by Stephen Gildea)
 215    </P
 216 ></LI
 217 ><LI
 218 ><P
 219 >     The <A
 220 HREF="actions-file.html#FORWARD-OVERRIDE"
 221 >forward-override</A
 222 > action
 223      allows changing of the forwarding settings through the actions files.
 224      Combined with tags, this allows to choose the forwarder based on
 225      client headers like the <TT
 226 CLASS="LITERAL"
 227 >User-Agent</TT
 228 >, or the request origin.
 229   </P
 230 ></LI
 231 ><LI
 232 ><P
 233 >     The  <A
 234 HREF="actions-file.html#REDIRECT"
 235 >redirect</A
 236 > action can now use regular
 237           expression substitutions against the original URL.
 238    </P
 239 ></LI
 240 ><LI
 241 ><P
 242 >     <SPAN
 243 CLASS="APPLICATION"
 244 >zlib</SPAN
 245 > support is now available as a compile
 246      time option to filter compressed content. Patch provided by Wil Mahan.
 247    </P
 248 ></LI
 249 ><LI
 250 ><P
 251 >     Improve various filters, and add new ones.
 252    </P
 253 ></LI
 254 ><LI
 255 ><P
 256 >    Include support for RFC 3253 so that <TT
 257 CLASS="FILENAME"
 258 >Subversion</TT
 259 > works
 260     with <SPAN
 261 CLASS="APPLICATION"
 262 >Privoxy</SPAN
 263 >. Patch provided by Petr Kadlec.
 264    </P
 265 ></LI
 266 ><LI
 267 ><P
 268 >     Logging can be completely turned off by not specifying a logfile directive.
 269    </P
 270 ></LI
 271 ><LI
 272 ><P
 273 >     A number of improvements to Privoxy's internal CGI pages, including the
 274      use of favicons for error and control pages.
 275    </P
 276 ></LI
 277 ><LI
 278 ><P
 279 >     Many bugfixes, memory leaks addressed, code improvements, and logging
 280      improvements.
 281    </P
 282 ></LI
 283 ></UL
 284 ></P
 285 ><P
 286 > For a more detailed list of changes please have a look at the ChangeLog.</P
 287 ><DIV
 288 CLASS="SECT2"
 289 ><H2
 290 CLASS="SECT2"
 291 ><A
 292 NAME="UPGRADERSNOTE"
 293 >3.1. Note to Upgraders</A
 294 ></H2
 295 ><P
 296 > A quick list of things to be aware of before upgrading from earlier
 297  versions of <SPAN
 298 CLASS="APPLICATION"
 299 >Privoxy</SPAN
 300 >:</P
 301 ><P
 302 > <P
 303 ></P
 304 ><UL
 305 ><LI
 306 ><P
 307 >   The recommended way to upgrade <SPAN
 308 CLASS="APPLICATION"
 309 >Privoxy</SPAN
 310 > is to backup your old
 311    configuration files, install the new ones, verify that <SPAN
 312 CLASS="APPLICATION"
 313 >Privoxy</SPAN
 314 >
 315    is working correctly and finally merge back your changes using
 316    <SPAN
 317 CLASS="APPLICATION"
 318 >diff</SPAN
 319 > and maybe <SPAN
 320 CLASS="APPLICATION"
 321 >patch</SPAN
 322 >.
 323   </P
 324 ><P
 325 >   There are a number of new features in each <SPAN
 326 CLASS="APPLICATION"
 327 >Privoxy</SPAN
 328 > release and
 329    most of them have to be explicitly enabled in the configuration
 330    files. Old configuration files obviously don't do that and due
 331    to syntax changes using old configuration files with a new
 332    <SPAN
 333 CLASS="APPLICATION"
 334 >Privoxy</SPAN
 335 > isn't always possible anyway.
 336   </P
 337 ></LI
 338 ><LI
 339 ><P
 340 >
 341     Note that some installers remove earlier versions completely,
 342     including configuration files, therefore you should really save
 343     any important configuration files!
 344   </P
 345 ></LI
 346 ><LI
 347 ><P
 348 >
 349    On the other hand, other installers don't overwrite existing configuration
 350    files, thinking you will want to do that yourself.
 351   </P
 352 ></LI
 353 ><LI
 354 ><P
 355 >
 356    <TT
 357 CLASS="FILENAME"
 358 >standard.action</TT
 359 > now only includes the enabled actions.
 360    Not all actions as before.
 361   </P
 362 ></LI
 363 ><LI
 364 ><P
 365 >   In the default configuration only fatal errors are logged now.
 366    You can change that in the <A
 367 HREF="config.html#DEBUG"
 368 >debug section</A
 369 >
 370    of the configuration file. You may also want to enable more verbose
 371    logging until you verified that the new <SPAN
 372 CLASS="APPLICATION"
 373 >Privoxy</SPAN
 374 > version is working
 375    as expected.
 376   </P
 377 ></LI
 378 ><LI
 379 ><P
 380 >     Three other config file settings are now off by default:
 381      <A
 382 HREF="config.html#ENABLE-REMOTE-TOGGLE"
 383 >enable-remote-toggle</A
 384 >,
 385      <A
 386 HREF="config.html#ENABLE-REMOTE-HTTP-TOGGLE"
 387 >enable-remote-http-toggle</A
 388 >,
 389      and  <A
 390 HREF="config.html#ENABLE-EDIT-ACTIONS"
 391 >enable-edit-actions</A
 392 >.
 393      If you use or want these, you will need to explicitly enable them, and
 394      be aware of the security issues involved.
 395     </P
 396 ></LI
 397 ><LI
 398 ><P
 399 >    The <SPAN
 400 CLASS="QUOTE"
 401 >"filter-client-headers"</SPAN
 402 > and
 403     <SPAN
 404 CLASS="QUOTE"
 405 >"filter-server-headers"</SPAN
 406 > actions that were introduced with
 407     <SPAN
 408 CLASS="APPLICATION"
 409 >Privoxy 3.0.5</SPAN
 410 > to apply content filters to
 411     the headers  have been removed and replaced with new actions.
 412     See the <A
 413 HREF="whatsnew.html"
 414 >What's New section</A
 415 > above.
 416    </P
 417 ></LI
 418 ></UL
 419 ></P
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