4 version history for ferm
6 Max Kellermann <max@foo-projects.org>
7 Auke Kok <sofar@foo-projects.org>
10 v2.0.10 - not yet released
11 - new functions @basename, @dirname
12 - add automatic variables $FILENAME, $LINE
13 - updated netfilter modules:
14 * pkg-type: support negation
15 - updated ebtables support:
16 * use per-protocol options
17 * add support for -p ARP --arp-gratuitous
18 * support abbreviations in arguments
19 * add support for matching IPv6
20 * add support for "among" match
21 * add support for the "limit" match
22 - honor --noflush in fast mode
26 - updated netfilter modules:
27 * state: support negation
28 * icmp: translate "icmp-type" to "icmpv6-type" in domain "ip6"
29 - add functions @cat, @substr, @length
30 - subchain names can now be expanded
31 - import-ferm: support empty string parameters
35 - added automatic variable $DIRNAME
36 - implement confirmation/rollback for --shell --interactive
37 - added the "type" parameter to @resolve()
38 - new functions @eq, @ne, @not
39 - updated netfilter modules:
40 * ebtables/snat: support --snat-arp
41 - add parameter --timeout for rollback
45 - fix post and flush hooks with --lines
46 - always prefix the negation operator
47 - updated netfilter modules:
48 * addrtype: support negation and --limit-iface-{in,out}
49 * conntrack: support negation and --ctdir
50 * owner: support negation and --socket-exists
51 * policy: support negation
55 - support negation in mark/connmark
56 - support negation in set
57 - added automatic variable $FILENAME
58 - allow @subchain as the first keyword in a closure
59 - don't allow semicolon after empty rule
60 - enable @include to run a program
61 - removed superfluous tokens from error message
62 - create a new stack frame for @subchain (fixes $CHAIN)
66 - detect double negation
67 - improved detection of negated arrays
68 - ignore dpkg's backup/temporary files on @include
69 - renamed "hook" to "@hook"
70 - disable "pre" and "post" hooks with --flush
75 - enable policy-only domains (no rules, just policy declarations)
76 - don't list custom chains in --flush --fast mode
80 - create chains and subchains even if they are empty
81 - fix includes within a rule ("Missing semicolon...")
82 - fix subchain in include ("Died at [...] line 1493")
83 - "protocol" is an alias for "proto", to fix the keyword conflict with
88 - allow duplicate specification of "table" and "chain", for better
89 1.3.x compatibility. Support for this will be removed in a later
90 release. This does not apply to "domain".
94 - generate "COMMIT" lines when flushing in fast mode
95 - don't hard-code the path of iptables-save
96 - install manpages in PREFIX/share/man
100 - don't hard code built-in match modules
101 - support for arptables and ebtables
102 - removed support for deprecated ferm 1.1 syntax
103 - removed the "set" and the "option" keyword
104 - removed support for array-in-string
105 - cleared the deprecated keyword translation table
106 - removed TOS parameter shortcuts
107 - don't default to policy if no action is specified
108 - don't allow lower case built-in chain or policy names
109 - removed --automod, --use, --clearall, --flushall, --flushchains,
110 --createchains, --location, --debug, --verbose
111 - comma in array is forbidden
112 - removed "source" and "destination" as prefix for "addr" and "port"
113 - don't allow match rules before and after "policy"
114 - removed support for deprecated netfilter modules
118 - rewrote the internal rule storage
119 - honor the order of match modules
120 - import-ferm rewrite
121 - use module data from ferm
122 - write policy in chain block
123 - do not generate implicit protocol modules
124 - do not allow targets options after "jump"
125 - fixed rollback when there is no iptables-save
126 - enable fast mode by default, can be disabled with --slow
130 - don't ignore unknown keywords after target (reported by Kai
132 - don't include hidden files (reported by Florian Reitmeir)
136 - fixed single quote escaping
137 - escape empty strings
138 - reset module list after semicolon handler (reported by Ralph Oesker)
139 - import-ferm: ignore the position of the negation marker; this allows us
140 to parse invalid save files generated by iptables-save (reported by
142 - fixed REDIRECT example in the manual
146 - updated netfilter modules:
147 * recent: support --rsource, --rdest
148 * time: support --monthday, --weekdays, --utc, --localtz
149 * u32: suport negated --u3
150 * DNAT: support --random
151 * MARK: support --set-xmark, --and-mark, --or-mark, --xor-mark
152 * MASQUERADE: support --random
153 * REDIRECT: support --random
154 * SNAT: support --random
155 * TOS: support --and-tos, --or-tos, --xor-tos
156 - check if chain was specified before @subchain
157 - suppress "not declared" warnings on empty custom chains
161 - bugfix: emit "--proto" instead of "--protocol" for xt_policy "proto"
162 - bugfix: handle array after DNAT/to-destination correctly
163 - target options cannot have arrays by default
164 - support netfilter modules:
167 - support netfilter targets:
168 * CLASSIFY (documentation)
171 * SAME (--random, documentation)
175 - require IO::Handle, this fixes the interactive mode
176 - configure test mode properly when running on microperl
180 - reserve tokens starting with "@" as ferm keywords
181 - implemented conditionals with @if/@else
182 - added @include/@def/@subchain as alias to include/def/subchain
183 - redirect STDOUT into STDERR --shell mode; this way, iptables warnings
184 are separated from the ferm shell script output
185 - microperl compatiblity:
186 - don't require strict.pm / vars.pm
188 - added simple Getopt::Long emulation
189 - look for iptables in PATH
190 - added function @resolve which resolves host names to IPv4 addresses
191 - import-ferm supports ip6tables-save files
192 - support "proto icmp" in the ip6 domain
193 - make "goto" deprecated to remap it to "--goto" later
194 - implemented "--goto" support, keyword is "realgoto"
195 - don't default to policy if rule action is missing
196 - support protocol modules
198 * udplite (sport, dport, mod multiport)
199 - support netfilter modules:
203 - support netfilter targets:
206 - abort when there is an unrecognized command line option (reported by
208 - import-ferm: don't generate NOP action before a block
209 - import-ferm: quote array values
210 - quote the ampersand
214 - make --flush do something in fast mode (reported by Hans-Georg Bork)
215 - fix automatic protocol modules when used in an expanded array
216 (reported by Ralph Oesker)
220 - support netfilter modules:
222 * ipset (patch by Martin Schuster)
223 - ignore empty lines in backticks result (reported by Martin Klozik)
224 - the match module for protocol "icmpv6" is named "icmp6"
225 - implemented basic hooks (suggested by Joerg Jaspert)
231 - subchains may be named
232 - don't copy module references to subchain (patch by Alex Metelka)
233 - override variables on the command line with "--def"
234 - auto-load modules only when their parameters are used
236 * targets MIRROR, NETMAP, NFQUEUE, NOTRACK, QUEUE
241 * warn against using iptables 1.2 with import-ferm
242 * extended the transition section in the manpage
243 - support netfilter modules: account
244 - bugfix: don't clear variable value when used as parameter in
245 multiport/destination-ports (reported by Bill Goudie)
249 - bugfix: reset domains after all rules were parsed and don't forget to
250 reset a table; this bug only affects users who run ferm on a remote
252 - reset policy on all guessed built-in chains if no authoritative
253 information about built-in chains is available
254 - support netfilter modules: condition, fuzzy, hbh, hl, ipv6header, rt,
256 - extended module support
257 * ah now supports the IPv6 options
258 - added missing documentation
260 * match modules: dst, eui64, frag
261 - disabled array after ttl-lt, ttl-gt
262 - allow "length", "physdev", "tos" negation
263 - translate sports, dports to source-ports, destination-ports in import-ferm
264 - added the "--remote" option
268 - import-ferm runs iptables-save if no input file is provided
271 v1.2beta2 - 9 Sep 2006
273 - added --shell which generates a shell script
274 - don't check available netfilter modules
275 - read iptables-save in initialize_netfilter()
276 - option --location is deprecated, ferm now calls /sbin/iptables
277 - whitespace fix in import-ferm
278 - allow late chain/table specification again
279 - set a second alarm in the confirmation dialog
280 - enable rollback feature even in non-interactive mode
283 v1.2beta1 - 28 Aug 2006
285 - removed support for ipfwadm and ipchains
286 - get a list of netfilter table names from /proc/net/ip_tables_names
287 - error messages go to STDERR
288 - full support for the match extensions: recent, comment, conntrack,
289 addrtype, ah, owner, time, dscp, ecn, helper, iprange, iplimit, length,
290 multiport, physdev, policy, realm, tcpmss, dst, frag
291 - full support for the targets: BALANCE, CLASSIFY, CONNMARK, NETMAP, ROUTE,
292 SNAT, TARPIT, NFQUEUE, SAME, DSCP
293 - support the protocols: dccp, sctp
294 - implemented variables and functions with 'def'
295 * variables and functions are local to their containing block
296 - stricter syntax checks, e.g.:
297 * some built-in targets must be uppercase
298 * only one target is allowed
299 * target parameters are only recognized after the target name, protocol
300 parameters only after the protocol match etc.
301 * referenced variables must exist
302 * list item negation is not possible
303 * only ACCEPT and DROP are allowed as policy
304 * tables and chains must be specified first
306 * using a policy as default target for a rule
307 * target MASQ, use MASQUERADE instead
308 * lower-case built-in chain names and targets
309 * lists must be specified with parantheses and no commas (old syntax
310 is deprecated, but still supported)
311 * variables declared with 'set' and referenced with '%NAME'
312 * many shortcuts like 'mac' and 'tosrc'
313 * shortcuts without the dash like 'tcpflags' ('tcp-flags')
314 * "option iptables"; only iptables is supported
317 * policy within a rule declaration
318 - fixed the double-module bug
319 - show filename and line number in error message
320 - implemented the 'include' command
321 - more shortcuts for command line options
322 - better set-tos parameter parser
323 - reimplemented backticks
324 - reimplemented tokenizer and parser
325 - escape shell parameters
326 - warn about unused custom chains
328 - options --clearall, --createchains are implied and deprecated
329 - options --debug and --verbose are deprecated
330 - reset all policies to ACCEPT
331 - variables expansion happens within double quotes
332 - implemented automatic variables: $TABLE, $CHAIN
333 - IPv6/ip6tables support
335 - print line number when iptables reports an error
336 - write error messages to STDERR
337 - replaced the old samples with new ones
338 - check which match and target modules are available
339 - generate output iptables-save format when --fast is specified
340 - semi-automatic sub chains with the 'subchain' keyword
341 - support tcp-flags negation
342 - added interactive mode
346 - Removed 'mark' as possible target due to nameclash
347 - Fixed typo in tos values with missing space
348 - Added support for shell escapes
349 - Updated manual page
350 - Fixed bug with ! before variable lists
351 - Added support for multiple variables inside a value
352 - Changed variable character from '$' to '%' to allow system variables
353 - Split up the pod stuff from the ferm source
354 - Fixed word splitter to more a serious approach
355 - Removed internal proxy variable, replaced with 'to' and 'toports' for clearity
356 - Removed the 'relaxed' option, for it wasn't used at it's potential (once)
357 - Added location option for the meek
358 - Have ferm prescan input to look for the kernel program and location
359 - Modified $(DOCDIR) to /usr/share/doc/ferm
360 - Added debug (--debug or -d) parameter for even more output
361 - Added --length,ttl, ttl[set|inc|dec] and ttl-[eq|lt|gt],
362 --[every|counter|start|packet], --average, --pkt-type, --string
363 --time[start|stop] and --days, ip-limit-[above|mask]
364 --psd-[weight-threshold|delay-threshold|[lo|hi]-ports-weight]
365 --to-[source|ports|destination], --set-ftos
366 - Added BALANCE, FTOS, SAME, TCPMSS targets and more
367 - Fixed bug on log/goto combination (missing space) -debian bugs
368 - Allow lists in set statements -debian bugs
369 - Added several patches from misc sources (thanks everyone)
370 - Cleaned up order of builtin targets (now alphabetically ordered)
373 v1.0pl8 - 13 july 2001
374 - Fixed nonexistent parameter values for log-[ip|tcp]-...
375 - Made keyword pattern matching strict, better for finding typo's
376 - Added NOP action (for match-counting)
377 - Added option automodule for automaticly loading correct modules
378 - Fixed -m for mark in iptables mixo
379 - Fixed relaxed matching tos values, still relaxed now though
380 - Fixed mark missing as normal target
381 - Added variable support
382 - Updated manual page partly
385 v1.0pl7 - 21 may 2001
386 - Added support for multiple modules
389 v1.0pl6 - 19 may 2001
390 - Fixed wrongly flushing of chains
391 - Fixed bug which infected policies already set
392 - Updated manual to distinguish between 'log' and 'LOG'
393 - Fixed lower case mismatching targets due to faulty
394 substring expression matching
397 v1.0pl5 - 16 may 2001
398 - Fixed policy keyword bug
399 - Added consistency check for missing semicolons before
401 - Fixed flushall target for multiple tables
402 - Reworked policy system to allow multiple policy settings for
404 - Changed syntax to allow "--state A,B", adapted "--tcp-flags"
405 syntax to do exactly the same (see manual)
408 v1.0pl4 - 11 may 2001
409 - Fixed order of TOS targets/params for iptables
410 - Added correct flushing in combination with policy-setting only
411 - Stripped trailing spaces on rule
412 - Fixed a small grammar error in description
413 - Removed SNAT and DNAT as valid policy targets
414 - Added QUEUE, MARK, MIRROR and RETURN as valid (policy) targets
415 - Added PRE/POSTROUTING chains as valid for policy
416 - Added set-mark parameter, moved 'mark' in ipchains to 'setmark'
417 - Added MASQUERADE <port/range> syntax for iptables
421 - Fixed DENY rule appearing uncapitalized
425 - Added support for SNAT and DNAT targets
426 - Added support for the tcp-flags option
430 - Fixed redirection to host vs port in iptables section
431 - Fixed chain clearing in all tables
432 - Switched to Makefiles for install & uninstall script
436 - Fixed iptables addr/port combination errors (iptables lacks
437 ipchains shorthand method for this)
438 - Removed 'reverse' for iptables (misses capability)
439 - Added filter and nat cleaning for 'clearall' option
440 - Major update on chain-administration in iptables
443 v0.0.18 - 18 Apr 2001
444 - Fixed two minor bugs (typo/parm ordering)
445 - Added ttl-* options for iptables
446 - Fixed log-tcp-*, which don't want parameters
447 - Return of default kernel program, now checked for at first rule
448 generation moment. Default is ipchains (again)
449 - Added PRE- and POSTROUTING targets for iptables
452 v0.0.17 - 19 Feb 2001
453 - Added better literal string handling enclosed in quotes
454 - Added "module" parameter for iptables
455 - Added "LOG" target for iptables, the "log" option still works
456 the old way, so "proto tcp log ACCEPT;" works fine
457 - Fixed table parameter in clearing/policy/creation of chains
458 - Added a special iptables example
459 - Added support for "! syn" and "! fragment" syntax
460 - Fixed fragment parameter bug
463 v0.0.16 - 12 Feb 2001
464 - Fixed default ipchains option- removed the default kernel
466 - Fixed 5 iptables/ipchains copy-paste typo's
470 - Added possibility of "" parameters including spaces and special
471 characters, handy for 'log-prefix'
472 - Fixed minor 'rejectt' bug
473 - Added a realistic ferm config example
474 - Fixed iptables log error (Klaus Lichtenwalder)
477 v0.0.14 - 28 Jan 2001
478 - Fixed tos and set-tos parameter switches for iptables
479 - Added install script
480 - Updated manual page to reflect changes in 0.0.13
481 - Fixed flushing/clearing in iptables
484 v0.0.13 - 10 Jan 2001
485 - Improved iptables support: the following parameters:
486 * table, out-interface, tcp-option, mac-source, limit, limit-burst,
487 all owner-parameters, state, logging options, reject-with
488 - Changed 'tos' into 'settos' to allow 'tos' matching in iptables
489 - Implemented the ! operator, partly by John Auer
493 - Fixed an incredibly stupid bug created in 0.0.11
497 - Fixed a lot of silly bugs with the policy system (uc/lc, wrong
503 - Policy can now be specified as a single statement, like
504 "chain input policy ACCEPT;", allowing policies to be
505 shut down and opened in the process of loading
506 - Added the 'reverse' option
507 - Fixed fqdn specification (Yannick Le Briquer)
508 - Package contains man page in html
512 - REDIRECT option corrected, you can now specify the port number
513 that you are redirecting to (D. Bidwell)
514 - Added basic iptables support
515 - fixed typo error between 's' and 'd' for portspec
516 - Updated manual page
520 - initial release, features: