4 version history for ferm
6 Max Kellermann <max.kellermann@gmail.com>
7 Auke Kok <sofar@foo-projects.org>
10 v2.4.2 - not yet released
11 - updated netfilter modules:
13 * time: suport "--utc"
14 - make chain name length validation an error not a warning
18 - updated netfilter modules:
19 * SYNPROXY: rename "timestamps" back to "timestamp"
20 * recent: "--mask" has a value
24 - support netfilter match modules:
26 - updated netfilter modules:
27 * recent: add mask, reap
28 - sort domains and tables in --fast output
29 - "@preserve" preserves existing chains
30 - import-ferm: translate "-f" to "fragment"
34 - support netfilter match modules:
38 - updated netfilter modules:
39 * connlimit: add connlimit-upto, connlimit-saddr, connlimit-daddr
40 * set: add return-nomatch, update-counters, update-subcounters,
41 packets-eq, packets-lt, packets-gt, bytes-eq, bytes-lt, bytes-gt
42 * SYNPROXY: rename "timestamp" to "timestamps"
44 - @resolve returns IP addresses as-is
45 - import-ferm: Perl 5.24 compatibility
49 - rename "realgoto" to "goto"
50 - new keyword @gotosubchain
51 - new functions @defined, @glob
52 - support netfilter match modules:
59 - support netfilter targets:
61 * CONNMARK: support set-xmark, nfmask, and-mark, or-mark, xor-mark
66 * NFQUEUE: support queue-balance, queue-bypass, queue-cpu-fanout
68 * SET: support timeout, exist
71 - recognize BROUTING as built-in chain (for ebtables)
72 - check exit status of included shell commands
74 * fixed wrongly used quotation marks in piped @include example
77 - support netfilter modules:
80 - automatically apply @ipfilter on dual-stack config
84 - support netfilter modules:
86 - updated netfilter modules:
87 * hashlimit: allow list after hashlimit-mode
88 - fix functions containing mixed domains
89 - check function parameter types
90 - allow policy QUEUE and RETURN
91 - support setting policy of non-builtin chains
95 - updated netfilter modules:
96 * conntrack: support ctorigsrcport, ctorigdstport
97 - new netfilter modules:
99 - allow folding @resolve value into a string
103 - new functions @basename, @dirname, @ipfilter
104 - add automatic variables $FILENAME, $LINE
105 - updated netfilter modules:
106 * pkg-type: support negation
107 * set: "--match set" support for newer iptables
108 - updated ebtables support:
109 * use per-protocol options
110 * add support for -p ARP --arp-gratuitous
111 * support abbreviations in arguments
112 * add support for matching IPv6
113 * add support for "among" match
114 * add support for the "limit" match
115 - honor --noflush in fast mode
116 - discard previous specifications when @if fails
117 - use the --domain argument as the default domain
118 - keep track of line numbers within custom function calls
122 - updated netfilter modules:
123 * state: support negation
124 * icmp: translate "icmp-type" to "icmpv6-type" in domain "ip6"
125 - add functions @cat, @substr, @length
126 - subchain names can now be expanded
127 - import-ferm: support empty string parameters
131 - added automatic variable $DIRNAME
132 - implement confirmation/rollback for --shell --interactive
133 - added the "type" parameter to @resolve()
134 - new functions @eq, @ne, @not
135 - updated netfilter modules:
136 * ebtables/snat: support --snat-arp
137 - add parameter --timeout for rollback
141 - fix post and flush hooks with --lines
142 - always prefix the negation operator
143 - updated netfilter modules:
144 * addrtype: support negation and --limit-iface-{in,out}
145 * conntrack: support negation and --ctdir
146 * owner: support negation and --socket-exists
147 * policy: support negation
151 - support negation in mark/connmark
152 - support negation in set
153 - added automatic variable $FILENAME
154 - allow @subchain as the first keyword in a closure
155 - don't allow semicolon after empty rule
156 - enable @include to run a program
157 - removed superfluous tokens from error message
158 - create a new stack frame for @subchain (fixes $CHAIN)
162 - detect double negation
163 - improved detection of negated arrays
164 - ignore dpkg's backup/temporary files on @include
165 - renamed "hook" to "@hook"
166 - disable "pre" and "post" hooks with --flush
167 - added "flush" hooks
171 - enable policy-only domains (no rules, just policy declarations)
172 - don't list custom chains in --flush --fast mode
176 - create chains and subchains even if they are empty
177 - fix includes within a rule ("Missing semicolon...")
178 - fix subchain in include ("Died at [...] line 1493")
179 - "protocol" is an alias for "proto", to fix the keyword conflict with
184 - allow duplicate specification of "table" and "chain", for better
185 1.3.x compatibility. Support for this will be removed in a later
186 release. This does not apply to "domain".
190 - generate "COMMIT" lines when flushing in fast mode
191 - don't hard-code the path of iptables-save
192 - install manpages in PREFIX/share/man
196 - don't hard code built-in match modules
197 - support for arptables and ebtables
198 - removed support for deprecated ferm 1.1 syntax
199 - removed the "set" and the "option" keyword
200 - removed support for array-in-string
201 - cleared the deprecated keyword translation table
202 - removed TOS parameter shortcuts
203 - don't default to policy if no action is specified
204 - don't allow lower case built-in chain or policy names
205 - removed --automod, --use, --clearall, --flushall, --flushchains,
206 --createchains, --location, --debug, --verbose
207 - comma in array is forbidden
208 - removed "source" and "destination" as prefix for "addr" and "port"
209 - don't allow match rules before and after "policy"
210 - removed support for deprecated netfilter modules
214 - rewrote the internal rule storage
215 - honor the order of match modules
216 - import-ferm rewrite
217 - use module data from ferm
218 - write policy in chain block
219 - do not generate implicit protocol modules
220 - do not allow targets options after "jump"
221 - fixed rollback when there is no iptables-save
222 - enable fast mode by default, can be disabled with --slow
226 - don't ignore unknown keywords after target (reported by Kai
228 - don't include hidden files (reported by Florian Reitmeir)
232 - fixed single quote escaping
233 - escape empty strings
234 - reset module list after semicolon handler (reported by Ralph Oesker)
235 - import-ferm: ignore the position of the negation marker; this allows us
236 to parse invalid save files generated by iptables-save (reported by
238 - fixed REDIRECT example in the manual
242 - updated netfilter modules:
243 * recent: support --rsource, --rdest
244 * time: support --monthday, --weekdays, --utc, --localtz
245 * u32: suport negated --u3
246 * DNAT: support --random
247 * MARK: support --set-xmark, --and-mark, --or-mark, --xor-mark
248 * MASQUERADE: support --random
249 * REDIRECT: support --random
250 * SNAT: support --random
251 * TOS: support --and-tos, --or-tos, --xor-tos
252 - check if chain was specified before @subchain
253 - suppress "not declared" warnings on empty custom chains
257 - bugfix: emit "--proto" instead of "--protocol" for xt_policy "proto"
258 - bugfix: handle array after DNAT/to-destination correctly
259 - target options cannot have arrays by default
260 - support netfilter modules:
263 - support netfilter targets:
264 * CLASSIFY (documentation)
267 * SAME (--random, documentation)
271 - require IO::Handle, this fixes the interactive mode
272 - configure test mode properly when running on microperl
276 - reserve tokens starting with "@" as ferm keywords
277 - implemented conditionals with @if/@else
278 - added @include/@def/@subchain as alias to include/def/subchain
279 - redirect STDOUT into STDERR --shell mode; this way, iptables warnings
280 are separated from the ferm shell script output
281 - microperl compatiblity:
282 - don't require strict.pm / vars.pm
284 - added simple Getopt::Long emulation
285 - look for iptables in PATH
286 - added function @resolve which resolves host names to IPv4 addresses
287 - import-ferm supports ip6tables-save files
288 - support "proto icmp" in the ip6 domain
289 - make "goto" deprecated to remap it to "--goto" later
290 - implemented "--goto" support, keyword is "realgoto"
291 - don't default to policy if rule action is missing
292 - support protocol modules
294 * udplite (sport, dport, mod multiport)
295 - support netfilter modules:
299 - support netfilter targets:
302 - abort when there is an unrecognized command line option (reported by
304 - import-ferm: don't generate NOP action before a block
305 - import-ferm: quote array values
306 - quote the ampersand
310 - make --flush do something in fast mode (reported by Hans-Georg Bork)
311 - fix automatic protocol modules when used in an expanded array
312 (reported by Ralph Oesker)
316 - support netfilter modules:
318 * ipset (patch by Martin Schuster)
319 - ignore empty lines in backticks result (reported by Martin Klozik)
320 - the match module for protocol "icmpv6" is named "icmp6"
321 - implemented basic hooks (suggested by Joerg Jaspert)
327 - subchains may be named
328 - don't copy module references to subchain (patch by Alex Metelka)
329 - override variables on the command line with "--def"
330 - auto-load modules only when their parameters are used
332 * targets MIRROR, NETMAP, NFQUEUE, NOTRACK, QUEUE
337 * warn against using iptables 1.2 with import-ferm
338 * extended the transition section in the manpage
339 - support netfilter modules: account
340 - bugfix: don't clear variable value when used as parameter in
341 multiport/destination-ports (reported by Bill Goudie)
345 - bugfix: reset domains after all rules were parsed and don't forget to
346 reset a table; this bug only affects users who run ferm on a remote
348 - reset policy on all guessed built-in chains if no authoritative
349 information about built-in chains is available
350 - support netfilter modules: condition, fuzzy, hbh, hl, ipv6header, rt,
352 - extended module support
353 * ah now supports the IPv6 options
354 - added missing documentation
356 * match modules: dst, eui64, frag
357 - disabled array after ttl-lt, ttl-gt
358 - allow "length", "physdev", "tos" negation
359 - translate sports, dports to source-ports, destination-ports in import-ferm
360 - added the "--remote" option
364 - import-ferm runs iptables-save if no input file is provided
367 v1.2beta2 - 9 Sep 2006
369 - added --shell which generates a shell script
370 - don't check available netfilter modules
371 - read iptables-save in initialize_netfilter()
372 - option --location is deprecated, ferm now calls /sbin/iptables
373 - whitespace fix in import-ferm
374 - allow late chain/table specification again
375 - set a second alarm in the confirmation dialog
376 - enable rollback feature even in non-interactive mode
379 v1.2beta1 - 28 Aug 2006
381 - removed support for ipfwadm and ipchains
382 - get a list of netfilter table names from /proc/net/ip_tables_names
383 - error messages go to STDERR
384 - full support for the match extensions: recent, comment, conntrack,
385 addrtype, ah, owner, time, dscp, ecn, helper, iprange, iplimit, length,
386 multiport, physdev, policy, realm, tcpmss, dst, frag
387 - full support for the targets: BALANCE, CLASSIFY, CONNMARK, NETMAP, ROUTE,
388 SNAT, TARPIT, NFQUEUE, SAME, DSCP
389 - support the protocols: dccp, sctp
390 - implemented variables and functions with 'def'
391 * variables and functions are local to their containing block
392 - stricter syntax checks, e.g.:
393 * some built-in targets must be uppercase
394 * only one target is allowed
395 * target parameters are only recognized after the target name, protocol
396 parameters only after the protocol match etc.
397 * referenced variables must exist
398 * list item negation is not possible
399 * only ACCEPT and DROP are allowed as policy
400 * tables and chains must be specified first
402 * using a policy as default target for a rule
403 * target MASQ, use MASQUERADE instead
404 * lower-case built-in chain names and targets
405 * lists must be specified with parantheses and no commas (old syntax
406 is deprecated, but still supported)
407 * variables declared with 'set' and referenced with '%NAME'
408 * many shortcuts like 'mac' and 'tosrc'
409 * shortcuts without the dash like 'tcpflags' ('tcp-flags')
410 * "option iptables"; only iptables is supported
413 * policy within a rule declaration
414 - fixed the double-module bug
415 - show filename and line number in error message
416 - implemented the 'include' command
417 - more shortcuts for command line options
418 - better set-tos parameter parser
419 - reimplemented backticks
420 - reimplemented tokenizer and parser
421 - escape shell parameters
422 - warn about unused custom chains
424 - options --clearall, --createchains are implied and deprecated
425 - options --debug and --verbose are deprecated
426 - reset all policies to ACCEPT
427 - variables expansion happens within double quotes
428 - implemented automatic variables: $TABLE, $CHAIN
429 - IPv6/ip6tables support
431 - print line number when iptables reports an error
432 - write error messages to STDERR
433 - replaced the old samples with new ones
434 - check which match and target modules are available
435 - generate output iptables-save format when --fast is specified
436 - semi-automatic sub chains with the 'subchain' keyword
437 - support tcp-flags negation
438 - added interactive mode
442 - Removed 'mark' as possible target due to nameclash
443 - Fixed typo in tos values with missing space
444 - Added support for shell escapes
445 - Updated manual page
446 - Fixed bug with ! before variable lists
447 - Added support for multiple variables inside a value
448 - Changed variable character from '$' to '%' to allow system variables
449 - Split up the pod stuff from the ferm source
450 - Fixed word splitter to more a serious approach
451 - Removed internal proxy variable, replaced with 'to' and 'toports' for clearity
452 - Removed the 'relaxed' option, for it wasn't used at it's potential (once)
453 - Added location option for the meek
454 - Have ferm prescan input to look for the kernel program and location
455 - Modified $(DOCDIR) to /usr/share/doc/ferm
456 - Added debug (--debug or -d) parameter for even more output
457 - Added --length,ttl, ttl[set|inc|dec] and ttl-[eq|lt|gt],
458 --[every|counter|start|packet], --average, --pkt-type, --string
459 --time[start|stop] and --days, ip-limit-[above|mask]
460 --psd-[weight-threshold|delay-threshold|[lo|hi]-ports-weight]
461 --to-[source|ports|destination], --set-ftos
462 - Added BALANCE, FTOS, SAME, TCPMSS targets and more
463 - Fixed bug on log/goto combination (missing space) -debian bugs
464 - Allow lists in set statements -debian bugs
465 - Added several patches from misc sources (thanks everyone)
466 - Cleaned up order of builtin targets (now alphabetically ordered)
469 v1.0pl8 - 13 july 2001
470 - Fixed nonexistent parameter values for log-[ip|tcp]-...
471 - Made keyword pattern matching strict, better for finding typo's
472 - Added NOP action (for match-counting)
473 - Added option automodule for automaticly loading correct modules
474 - Fixed -m for mark in iptables mixo
475 - Fixed relaxed matching tos values, still relaxed now though
476 - Fixed mark missing as normal target
477 - Added variable support
478 - Updated manual page partly
481 v1.0pl7 - 21 may 2001
482 - Added support for multiple modules
485 v1.0pl6 - 19 may 2001
486 - Fixed wrongly flushing of chains
487 - Fixed bug which infected policies already set
488 - Updated manual to distinguish between 'log' and 'LOG'
489 - Fixed lower case mismatching targets due to faulty
490 substring expression matching
493 v1.0pl5 - 16 may 2001
494 - Fixed policy keyword bug
495 - Added consistency check for missing semicolons before
497 - Fixed flushall target for multiple tables
498 - Reworked policy system to allow multiple policy settings for
500 - Changed syntax to allow "--state A,B", adapted "--tcp-flags"
501 syntax to do exactly the same (see manual)
504 v1.0pl4 - 11 may 2001
505 - Fixed order of TOS targets/params for iptables
506 - Added correct flushing in combination with policy-setting only
507 - Stripped trailing spaces on rule
508 - Fixed a small grammar error in description
509 - Removed SNAT and DNAT as valid policy targets
510 - Added QUEUE, MARK, MIRROR and RETURN as valid (policy) targets
511 - Added PRE/POSTROUTING chains as valid for policy
512 - Added set-mark parameter, moved 'mark' in ipchains to 'setmark'
513 - Added MASQUERADE <port/range> syntax for iptables
517 - Fixed DENY rule appearing uncapitalized
521 - Added support for SNAT and DNAT targets
522 - Added support for the tcp-flags option
526 - Fixed redirection to host vs port in iptables section
527 - Fixed chain clearing in all tables
528 - Switched to Makefiles for install & uninstall script
532 - Fixed iptables addr/port combination errors (iptables lacks
533 ipchains shorthand method for this)
534 - Removed 'reverse' for iptables (misses capability)
535 - Added filter and nat cleaning for 'clearall' option
536 - Major update on chain-administration in iptables
539 v0.0.18 - 18 Apr 2001
540 - Fixed two minor bugs (typo/parm ordering)
541 - Added ttl-* options for iptables
542 - Fixed log-tcp-*, which don't want parameters
543 - Return of default kernel program, now checked for at first rule
544 generation moment. Default is ipchains (again)
545 - Added PRE- and POSTROUTING targets for iptables
548 v0.0.17 - 19 Feb 2001
549 - Added better literal string handling enclosed in quotes
550 - Added "module" parameter for iptables
551 - Added "LOG" target for iptables, the "log" option still works
552 the old way, so "proto tcp log ACCEPT;" works fine
553 - Fixed table parameter in clearing/policy/creation of chains
554 - Added a special iptables example
555 - Added support for "! syn" and "! fragment" syntax
556 - Fixed fragment parameter bug
559 v0.0.16 - 12 Feb 2001
560 - Fixed default ipchains option- removed the default kernel
562 - Fixed 5 iptables/ipchains copy-paste typo's
566 - Added possibility of "" parameters including spaces and special
567 characters, handy for 'log-prefix'
568 - Fixed minor 'rejectt' bug
569 - Added a realistic ferm config example
570 - Fixed iptables log error (Klaus Lichtenwalder)
573 v0.0.14 - 28 Jan 2001
574 - Fixed tos and set-tos parameter switches for iptables
575 - Added install script
576 - Updated manual page to reflect changes in 0.0.13
577 - Fixed flushing/clearing in iptables
580 v0.0.13 - 10 Jan 2001
581 - Improved iptables support: the following parameters:
582 * table, out-interface, tcp-option, mac-source, limit, limit-burst,
583 all owner-parameters, state, logging options, reject-with
584 - Changed 'tos' into 'settos' to allow 'tos' matching in iptables
585 - Implemented the ! operator, partly by John Auer
589 - Fixed an incredibly stupid bug created in 0.0.11
593 - Fixed a lot of silly bugs with the policy system (uc/lc, wrong
599 - Policy can now be specified as a single statement, like
600 "chain input policy ACCEPT;", allowing policies to be
601 shut down and opened in the process of loading
602 - Added the 'reverse' option
603 - Fixed fqdn specification (Yannick Le Briquer)
604 - Package contains man page in html
608 - REDIRECT option corrected, you can now specify the port number
609 that you are redirecting to (D. Bidwell)
610 - Added basic iptables support
611 - fixed typo error between 's' and 'd' for portspec
612 - Updated manual page
616 - initial release, features: