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