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
14 - updated netfilter modules:
15 * SYNPROXY: rename "timestamps" back to "timestamp"
16 * recent: "--mask" has a value
20 - support netfilter match modules:
22 - updated netfilter modules:
23 * recent: add mask, reap
24 - sort domains and tables in --fast output
25 - "@preserve" preserves existing chains
26 - import-ferm: translate "-f" to "fragment"
30 - support netfilter match modules:
34 - updated netfilter modules:
35 * connlimit: add connlimit-upto, connlimit-saddr, connlimit-daddr
36 * set: add return-nomatch, update-counters, update-subcounters,
37 packets-eq, packets-lt, packets-gt, bytes-eq, bytes-lt, bytes-gt
38 * SYNPROXY: rename "timestamp" to "timestamps"
40 - @resolve returns IP addresses as-is
41 - import-ferm: Perl 5.24 compatibility
45 - rename "realgoto" to "goto"
46 - new keyword @gotosubchain
47 - new functions @defined, @glob
48 - support netfilter match modules:
55 - support netfilter targets:
57 * CONNMARK: support set-xmark, nfmask, and-mark, or-mark, xor-mark
62 * NFQUEUE: support queue-balance, queue-bypass, queue-cpu-fanout
64 * SET: support timeout, exist
67 - recognize BROUTING as built-in chain (for ebtables)
68 - check exit status of included shell commands
70 * fixed wrongly used quotation marks in piped @include example
73 - support netfilter modules:
76 - automatically apply @ipfilter on dual-stack config
80 - support netfilter modules:
82 - updated netfilter modules:
83 * hashlimit: allow list after hashlimit-mode
84 - fix functions containing mixed domains
85 - check function parameter types
86 - allow policy QUEUE and RETURN
87 - support setting policy of non-builtin chains
91 - updated netfilter modules:
92 * conntrack: support ctorigsrcport, ctorigdstport
93 - new netfilter modules:
95 - allow folding @resolve value into a string
99 - new functions @basename, @dirname, @ipfilter
100 - add automatic variables $FILENAME, $LINE
101 - updated netfilter modules:
102 * pkg-type: support negation
103 * set: "--match set" support for newer iptables
104 - updated ebtables support:
105 * use per-protocol options
106 * add support for -p ARP --arp-gratuitous
107 * support abbreviations in arguments
108 * add support for matching IPv6
109 * add support for "among" match
110 * add support for the "limit" match
111 - honor --noflush in fast mode
112 - discard previous specifications when @if fails
113 - use the --domain argument as the default domain
114 - keep track of line numbers within custom function calls
118 - updated netfilter modules:
119 * state: support negation
120 * icmp: translate "icmp-type" to "icmpv6-type" in domain "ip6"
121 - add functions @cat, @substr, @length
122 - subchain names can now be expanded
123 - import-ferm: support empty string parameters
127 - added automatic variable $DIRNAME
128 - implement confirmation/rollback for --shell --interactive
129 - added the "type" parameter to @resolve()
130 - new functions @eq, @ne, @not
131 - updated netfilter modules:
132 * ebtables/snat: support --snat-arp
133 - add parameter --timeout for rollback
137 - fix post and flush hooks with --lines
138 - always prefix the negation operator
139 - updated netfilter modules:
140 * addrtype: support negation and --limit-iface-{in,out}
141 * conntrack: support negation and --ctdir
142 * owner: support negation and --socket-exists
143 * policy: support negation
147 - support negation in mark/connmark
148 - support negation in set
149 - added automatic variable $FILENAME
150 - allow @subchain as the first keyword in a closure
151 - don't allow semicolon after empty rule
152 - enable @include to run a program
153 - removed superfluous tokens from error message
154 - create a new stack frame for @subchain (fixes $CHAIN)
158 - detect double negation
159 - improved detection of negated arrays
160 - ignore dpkg's backup/temporary files on @include
161 - renamed "hook" to "@hook"
162 - disable "pre" and "post" hooks with --flush
163 - added "flush" hooks
167 - enable policy-only domains (no rules, just policy declarations)
168 - don't list custom chains in --flush --fast mode
172 - create chains and subchains even if they are empty
173 - fix includes within a rule ("Missing semicolon...")
174 - fix subchain in include ("Died at [...] line 1493")
175 - "protocol" is an alias for "proto", to fix the keyword conflict with
180 - allow duplicate specification of "table" and "chain", for better
181 1.3.x compatibility. Support for this will be removed in a later
182 release. This does not apply to "domain".
186 - generate "COMMIT" lines when flushing in fast mode
187 - don't hard-code the path of iptables-save
188 - install manpages in PREFIX/share/man
192 - don't hard code built-in match modules
193 - support for arptables and ebtables
194 - removed support for deprecated ferm 1.1 syntax
195 - removed the "set" and the "option" keyword
196 - removed support for array-in-string
197 - cleared the deprecated keyword translation table
198 - removed TOS parameter shortcuts
199 - don't default to policy if no action is specified
200 - don't allow lower case built-in chain or policy names
201 - removed --automod, --use, --clearall, --flushall, --flushchains,
202 --createchains, --location, --debug, --verbose
203 - comma in array is forbidden
204 - removed "source" and "destination" as prefix for "addr" and "port"
205 - don't allow match rules before and after "policy"
206 - removed support for deprecated netfilter modules
210 - rewrote the internal rule storage
211 - honor the order of match modules
212 - import-ferm rewrite
213 - use module data from ferm
214 - write policy in chain block
215 - do not generate implicit protocol modules
216 - do not allow targets options after "jump"
217 - fixed rollback when there is no iptables-save
218 - enable fast mode by default, can be disabled with --slow
222 - don't ignore unknown keywords after target (reported by Kai
224 - don't include hidden files (reported by Florian Reitmeir)
228 - fixed single quote escaping
229 - escape empty strings
230 - reset module list after semicolon handler (reported by Ralph Oesker)
231 - import-ferm: ignore the position of the negation marker; this allows us
232 to parse invalid save files generated by iptables-save (reported by
234 - fixed REDIRECT example in the manual
238 - updated netfilter modules:
239 * recent: support --rsource, --rdest
240 * time: support --monthday, --weekdays, --utc, --localtz
241 * u32: suport negated --u3
242 * DNAT: support --random
243 * MARK: support --set-xmark, --and-mark, --or-mark, --xor-mark
244 * MASQUERADE: support --random
245 * REDIRECT: support --random
246 * SNAT: support --random
247 * TOS: support --and-tos, --or-tos, --xor-tos
248 - check if chain was specified before @subchain
249 - suppress "not declared" warnings on empty custom chains
253 - bugfix: emit "--proto" instead of "--protocol" for xt_policy "proto"
254 - bugfix: handle array after DNAT/to-destination correctly
255 - target options cannot have arrays by default
256 - support netfilter modules:
259 - support netfilter targets:
260 * CLASSIFY (documentation)
263 * SAME (--random, documentation)
267 - require IO::Handle, this fixes the interactive mode
268 - configure test mode properly when running on microperl
272 - reserve tokens starting with "@" as ferm keywords
273 - implemented conditionals with @if/@else
274 - added @include/@def/@subchain as alias to include/def/subchain
275 - redirect STDOUT into STDERR --shell mode; this way, iptables warnings
276 are separated from the ferm shell script output
277 - microperl compatiblity:
278 - don't require strict.pm / vars.pm
280 - added simple Getopt::Long emulation
281 - look for iptables in PATH
282 - added function @resolve which resolves host names to IPv4 addresses
283 - import-ferm supports ip6tables-save files
284 - support "proto icmp" in the ip6 domain
285 - make "goto" deprecated to remap it to "--goto" later
286 - implemented "--goto" support, keyword is "realgoto"
287 - don't default to policy if rule action is missing
288 - support protocol modules
290 * udplite (sport, dport, mod multiport)
291 - support netfilter modules:
295 - support netfilter targets:
298 - abort when there is an unrecognized command line option (reported by
300 - import-ferm: don't generate NOP action before a block
301 - import-ferm: quote array values
302 - quote the ampersand
306 - make --flush do something in fast mode (reported by Hans-Georg Bork)
307 - fix automatic protocol modules when used in an expanded array
308 (reported by Ralph Oesker)
312 - support netfilter modules:
314 * ipset (patch by Martin Schuster)
315 - ignore empty lines in backticks result (reported by Martin Klozik)
316 - the match module for protocol "icmpv6" is named "icmp6"
317 - implemented basic hooks (suggested by Joerg Jaspert)
323 - subchains may be named
324 - don't copy module references to subchain (patch by Alex Metelka)
325 - override variables on the command line with "--def"
326 - auto-load modules only when their parameters are used
328 * targets MIRROR, NETMAP, NFQUEUE, NOTRACK, QUEUE
333 * warn against using iptables 1.2 with import-ferm
334 * extended the transition section in the manpage
335 - support netfilter modules: account
336 - bugfix: don't clear variable value when used as parameter in
337 multiport/destination-ports (reported by Bill Goudie)
341 - bugfix: reset domains after all rules were parsed and don't forget to
342 reset a table; this bug only affects users who run ferm on a remote
344 - reset policy on all guessed built-in chains if no authoritative
345 information about built-in chains is available
346 - support netfilter modules: condition, fuzzy, hbh, hl, ipv6header, rt,
348 - extended module support
349 * ah now supports the IPv6 options
350 - added missing documentation
352 * match modules: dst, eui64, frag
353 - disabled array after ttl-lt, ttl-gt
354 - allow "length", "physdev", "tos" negation
355 - translate sports, dports to source-ports, destination-ports in import-ferm
356 - added the "--remote" option
360 - import-ferm runs iptables-save if no input file is provided
363 v1.2beta2 - 9 Sep 2006
365 - added --shell which generates a shell script
366 - don't check available netfilter modules
367 - read iptables-save in initialize_netfilter()
368 - option --location is deprecated, ferm now calls /sbin/iptables
369 - whitespace fix in import-ferm
370 - allow late chain/table specification again
371 - set a second alarm in the confirmation dialog
372 - enable rollback feature even in non-interactive mode
375 v1.2beta1 - 28 Aug 2006
377 - removed support for ipfwadm and ipchains
378 - get a list of netfilter table names from /proc/net/ip_tables_names
379 - error messages go to STDERR
380 - full support for the match extensions: recent, comment, conntrack,
381 addrtype, ah, owner, time, dscp, ecn, helper, iprange, iplimit, length,
382 multiport, physdev, policy, realm, tcpmss, dst, frag
383 - full support for the targets: BALANCE, CLASSIFY, CONNMARK, NETMAP, ROUTE,
384 SNAT, TARPIT, NFQUEUE, SAME, DSCP
385 - support the protocols: dccp, sctp
386 - implemented variables and functions with 'def'
387 * variables and functions are local to their containing block
388 - stricter syntax checks, e.g.:
389 * some built-in targets must be uppercase
390 * only one target is allowed
391 * target parameters are only recognized after the target name, protocol
392 parameters only after the protocol match etc.
393 * referenced variables must exist
394 * list item negation is not possible
395 * only ACCEPT and DROP are allowed as policy
396 * tables and chains must be specified first
398 * using a policy as default target for a rule
399 * target MASQ, use MASQUERADE instead
400 * lower-case built-in chain names and targets
401 * lists must be specified with parantheses and no commas (old syntax
402 is deprecated, but still supported)
403 * variables declared with 'set' and referenced with '%NAME'
404 * many shortcuts like 'mac' and 'tosrc'
405 * shortcuts without the dash like 'tcpflags' ('tcp-flags')
406 * "option iptables"; only iptables is supported
409 * policy within a rule declaration
410 - fixed the double-module bug
411 - show filename and line number in error message
412 - implemented the 'include' command
413 - more shortcuts for command line options
414 - better set-tos parameter parser
415 - reimplemented backticks
416 - reimplemented tokenizer and parser
417 - escape shell parameters
418 - warn about unused custom chains
420 - options --clearall, --createchains are implied and deprecated
421 - options --debug and --verbose are deprecated
422 - reset all policies to ACCEPT
423 - variables expansion happens within double quotes
424 - implemented automatic variables: $TABLE, $CHAIN
425 - IPv6/ip6tables support
427 - print line number when iptables reports an error
428 - write error messages to STDERR
429 - replaced the old samples with new ones
430 - check which match and target modules are available
431 - generate output iptables-save format when --fast is specified
432 - semi-automatic sub chains with the 'subchain' keyword
433 - support tcp-flags negation
434 - added interactive mode
438 - Removed 'mark' as possible target due to nameclash
439 - Fixed typo in tos values with missing space
440 - Added support for shell escapes
441 - Updated manual page
442 - Fixed bug with ! before variable lists
443 - Added support for multiple variables inside a value
444 - Changed variable character from '$' to '%' to allow system variables
445 - Split up the pod stuff from the ferm source
446 - Fixed word splitter to more a serious approach
447 - Removed internal proxy variable, replaced with 'to' and 'toports' for clearity
448 - Removed the 'relaxed' option, for it wasn't used at it's potential (once)
449 - Added location option for the meek
450 - Have ferm prescan input to look for the kernel program and location
451 - Modified $(DOCDIR) to /usr/share/doc/ferm
452 - Added debug (--debug or -d) parameter for even more output
453 - Added --length,ttl, ttl[set|inc|dec] and ttl-[eq|lt|gt],
454 --[every|counter|start|packet], --average, --pkt-type, --string
455 --time[start|stop] and --days, ip-limit-[above|mask]
456 --psd-[weight-threshold|delay-threshold|[lo|hi]-ports-weight]
457 --to-[source|ports|destination], --set-ftos
458 - Added BALANCE, FTOS, SAME, TCPMSS targets and more
459 - Fixed bug on log/goto combination (missing space) -debian bugs
460 - Allow lists in set statements -debian bugs
461 - Added several patches from misc sources (thanks everyone)
462 - Cleaned up order of builtin targets (now alphabetically ordered)
465 v1.0pl8 - 13 july 2001
466 - Fixed nonexistent parameter values for log-[ip|tcp]-...
467 - Made keyword pattern matching strict, better for finding typo's
468 - Added NOP action (for match-counting)
469 - Added option automodule for automaticly loading correct modules
470 - Fixed -m for mark in iptables mixo
471 - Fixed relaxed matching tos values, still relaxed now though
472 - Fixed mark missing as normal target
473 - Added variable support
474 - Updated manual page partly
477 v1.0pl7 - 21 may 2001
478 - Added support for multiple modules
481 v1.0pl6 - 19 may 2001
482 - Fixed wrongly flushing of chains
483 - Fixed bug which infected policies already set
484 - Updated manual to distinguish between 'log' and 'LOG'
485 - Fixed lower case mismatching targets due to faulty
486 substring expression matching
489 v1.0pl5 - 16 may 2001
490 - Fixed policy keyword bug
491 - Added consistency check for missing semicolons before
493 - Fixed flushall target for multiple tables
494 - Reworked policy system to allow multiple policy settings for
496 - Changed syntax to allow "--state A,B", adapted "--tcp-flags"
497 syntax to do exactly the same (see manual)
500 v1.0pl4 - 11 may 2001
501 - Fixed order of TOS targets/params for iptables
502 - Added correct flushing in combination with policy-setting only
503 - Stripped trailing spaces on rule
504 - Fixed a small grammar error in description
505 - Removed SNAT and DNAT as valid policy targets
506 - Added QUEUE, MARK, MIRROR and RETURN as valid (policy) targets
507 - Added PRE/POSTROUTING chains as valid for policy
508 - Added set-mark parameter, moved 'mark' in ipchains to 'setmark'
509 - Added MASQUERADE <port/range> syntax for iptables
513 - Fixed DENY rule appearing uncapitalized
517 - Added support for SNAT and DNAT targets
518 - Added support for the tcp-flags option
522 - Fixed redirection to host vs port in iptables section
523 - Fixed chain clearing in all tables
524 - Switched to Makefiles for install & uninstall script
528 - Fixed iptables addr/port combination errors (iptables lacks
529 ipchains shorthand method for this)
530 - Removed 'reverse' for iptables (misses capability)
531 - Added filter and nat cleaning for 'clearall' option
532 - Major update on chain-administration in iptables
535 v0.0.18 - 18 Apr 2001
536 - Fixed two minor bugs (typo/parm ordering)
537 - Added ttl-* options for iptables
538 - Fixed log-tcp-*, which don't want parameters
539 - Return of default kernel program, now checked for at first rule
540 generation moment. Default is ipchains (again)
541 - Added PRE- and POSTROUTING targets for iptables
544 v0.0.17 - 19 Feb 2001
545 - Added better literal string handling enclosed in quotes
546 - Added "module" parameter for iptables
547 - Added "LOG" target for iptables, the "log" option still works
548 the old way, so "proto tcp log ACCEPT;" works fine
549 - Fixed table parameter in clearing/policy/creation of chains
550 - Added a special iptables example
551 - Added support for "! syn" and "! fragment" syntax
552 - Fixed fragment parameter bug
555 v0.0.16 - 12 Feb 2001
556 - Fixed default ipchains option- removed the default kernel
558 - Fixed 5 iptables/ipchains copy-paste typo's
562 - Added possibility of "" parameters including spaces and special
563 characters, handy for 'log-prefix'
564 - Fixed minor 'rejectt' bug
565 - Added a realistic ferm config example
566 - Fixed iptables log error (Klaus Lichtenwalder)
569 v0.0.14 - 28 Jan 2001
570 - Fixed tos and set-tos parameter switches for iptables
571 - Added install script
572 - Updated manual page to reflect changes in 0.0.13
573 - Fixed flushing/clearing in iptables
576 v0.0.13 - 10 Jan 2001
577 - Improved iptables support: the following parameters:
578 * table, out-interface, tcp-option, mac-source, limit, limit-burst,
579 all owner-parameters, state, logging options, reject-with
580 - Changed 'tos' into 'settos' to allow 'tos' matching in iptables
581 - Implemented the ! operator, partly by John Auer
585 - Fixed an incredibly stupid bug created in 0.0.11
589 - Fixed a lot of silly bugs with the policy system (uc/lc, wrong
595 - Policy can now be specified as a single statement, like
596 "chain input policy ACCEPT;", allowing policies to be
597 shut down and opened in the process of loading
598 - Added the 'reverse' option
599 - Fixed fqdn specification (Yannick Le Briquer)
600 - Package contains man page in html
604 - REDIRECT option corrected, you can now specify the port number
605 that you are redirecting to (D. Bidwell)
606 - Added basic iptables support
607 - fixed typo error between 's' and 'd' for portspec
608 - Updated manual page
612 - initial release, features: