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:
16 - support netfilter modules:
18 - updated netfilter modules:
19 * hashlimit: allow list after hashlimit-mode
20 - fix functions containing mixed domains
21 - check function parameter types
22 - allow policy QUEUE and RETURN
23 - support setting policy of non-builtin chains
27 - updated netfilter modules:
28 * conntrack: support ctorigsrcport, ctorigdstport
29 - new netfilter modules:
31 - allow folding @resolve value into a string
35 - new functions @basename, @dirname, @ipfilter
36 - add automatic variables $FILENAME, $LINE
37 - updated netfilter modules:
38 * pkg-type: support negation
39 * set: "--match set" support for newer iptables
40 - updated ebtables support:
41 * use per-protocol options
42 * add support for -p ARP --arp-gratuitous
43 * support abbreviations in arguments
44 * add support for matching IPv6
45 * add support for "among" match
46 * add support for the "limit" match
47 - honor --noflush in fast mode
48 - discard previous specifications when @if fails
49 - use the --domain argument as the default domain
50 - keep track of line numbers within custom function calls
54 - updated netfilter modules:
55 * state: support negation
56 * icmp: translate "icmp-type" to "icmpv6-type" in domain "ip6"
57 - add functions @cat, @substr, @length
58 - subchain names can now be expanded
59 - import-ferm: support empty string parameters
63 - added automatic variable $DIRNAME
64 - implement confirmation/rollback for --shell --interactive
65 - added the "type" parameter to @resolve()
66 - new functions @eq, @ne, @not
67 - updated netfilter modules:
68 * ebtables/snat: support --snat-arp
69 - add parameter --timeout for rollback
73 - fix post and flush hooks with --lines
74 - always prefix the negation operator
75 - updated netfilter modules:
76 * addrtype: support negation and --limit-iface-{in,out}
77 * conntrack: support negation and --ctdir
78 * owner: support negation and --socket-exists
79 * policy: support negation
83 - support negation in mark/connmark
84 - support negation in set
85 - added automatic variable $FILENAME
86 - allow @subchain as the first keyword in a closure
87 - don't allow semicolon after empty rule
88 - enable @include to run a program
89 - removed superfluous tokens from error message
90 - create a new stack frame for @subchain (fixes $CHAIN)
94 - detect double negation
95 - improved detection of negated arrays
96 - ignore dpkg's backup/temporary files on @include
97 - renamed "hook" to "@hook"
98 - disable "pre" and "post" hooks with --flush
103 - enable policy-only domains (no rules, just policy declarations)
104 - don't list custom chains in --flush --fast mode
108 - create chains and subchains even if they are empty
109 - fix includes within a rule ("Missing semicolon...")
110 - fix subchain in include ("Died at [...] line 1493")
111 - "protocol" is an alias for "proto", to fix the keyword conflict with
116 - allow duplicate specification of "table" and "chain", for better
117 1.3.x compatibility. Support for this will be removed in a later
118 release. This does not apply to "domain".
122 - generate "COMMIT" lines when flushing in fast mode
123 - don't hard-code the path of iptables-save
124 - install manpages in PREFIX/share/man
128 - don't hard code built-in match modules
129 - support for arptables and ebtables
130 - removed support for deprecated ferm 1.1 syntax
131 - removed the "set" and the "option" keyword
132 - removed support for array-in-string
133 - cleared the deprecated keyword translation table
134 - removed TOS parameter shortcuts
135 - don't default to policy if no action is specified
136 - don't allow lower case built-in chain or policy names
137 - removed --automod, --use, --clearall, --flushall, --flushchains,
138 --createchains, --location, --debug, --verbose
139 - comma in array is forbidden
140 - removed "source" and "destination" as prefix for "addr" and "port"
141 - don't allow match rules before and after "policy"
142 - removed support for deprecated netfilter modules
146 - rewrote the internal rule storage
147 - honor the order of match modules
148 - import-ferm rewrite
149 - use module data from ferm
150 - write policy in chain block
151 - do not generate implicit protocol modules
152 - do not allow targets options after "jump"
153 - fixed rollback when there is no iptables-save
154 - enable fast mode by default, can be disabled with --slow
158 - don't ignore unknown keywords after target (reported by Kai
160 - don't include hidden files (reported by Florian Reitmeir)
164 - fixed single quote escaping
165 - escape empty strings
166 - reset module list after semicolon handler (reported by Ralph Oesker)
167 - import-ferm: ignore the position of the negation marker; this allows us
168 to parse invalid save files generated by iptables-save (reported by
170 - fixed REDIRECT example in the manual
174 - updated netfilter modules:
175 * recent: support --rsource, --rdest
176 * time: support --monthday, --weekdays, --utc, --localtz
177 * u32: suport negated --u3
178 * DNAT: support --random
179 * MARK: support --set-xmark, --and-mark, --or-mark, --xor-mark
180 * MASQUERADE: support --random
181 * REDIRECT: support --random
182 * SNAT: support --random
183 * TOS: support --and-tos, --or-tos, --xor-tos
184 - check if chain was specified before @subchain
185 - suppress "not declared" warnings on empty custom chains
189 - bugfix: emit "--proto" instead of "--protocol" for xt_policy "proto"
190 - bugfix: handle array after DNAT/to-destination correctly
191 - target options cannot have arrays by default
192 - support netfilter modules:
195 - support netfilter targets:
196 * CLASSIFY (documentation)
199 * SAME (--random, documentation)
203 - require IO::Handle, this fixes the interactive mode
204 - configure test mode properly when running on microperl
208 - reserve tokens starting with "@" as ferm keywords
209 - implemented conditionals with @if/@else
210 - added @include/@def/@subchain as alias to include/def/subchain
211 - redirect STDOUT into STDERR --shell mode; this way, iptables warnings
212 are separated from the ferm shell script output
213 - microperl compatiblity:
214 - don't require strict.pm / vars.pm
216 - added simple Getopt::Long emulation
217 - look for iptables in PATH
218 - added function @resolve which resolves host names to IPv4 addresses
219 - import-ferm supports ip6tables-save files
220 - support "proto icmp" in the ip6 domain
221 - make "goto" deprecated to remap it to "--goto" later
222 - implemented "--goto" support, keyword is "realgoto"
223 - don't default to policy if rule action is missing
224 - support protocol modules
226 * udplite (sport, dport, mod multiport)
227 - support netfilter modules:
231 - support netfilter targets:
234 - abort when there is an unrecognized command line option (reported by
236 - import-ferm: don't generate NOP action before a block
237 - import-ferm: quote array values
238 - quote the ampersand
242 - make --flush do something in fast mode (reported by Hans-Georg Bork)
243 - fix automatic protocol modules when used in an expanded array
244 (reported by Ralph Oesker)
248 - support netfilter modules:
250 * ipset (patch by Martin Schuster)
251 - ignore empty lines in backticks result (reported by Martin Klozik)
252 - the match module for protocol "icmpv6" is named "icmp6"
253 - implemented basic hooks (suggested by Joerg Jaspert)
259 - subchains may be named
260 - don't copy module references to subchain (patch by Alex Metelka)
261 - override variables on the command line with "--def"
262 - auto-load modules only when their parameters are used
264 * targets MIRROR, NETMAP, NFQUEUE, NOTRACK, QUEUE
269 * warn against using iptables 1.2 with import-ferm
270 * extended the transition section in the manpage
271 - support netfilter modules: account
272 - bugfix: don't clear variable value when used as parameter in
273 multiport/destination-ports (reported by Bill Goudie)
277 - bugfix: reset domains after all rules were parsed and don't forget to
278 reset a table; this bug only affects users who run ferm on a remote
280 - reset policy on all guessed built-in chains if no authoritative
281 information about built-in chains is available
282 - support netfilter modules: condition, fuzzy, hbh, hl, ipv6header, rt,
284 - extended module support
285 * ah now supports the IPv6 options
286 - added missing documentation
288 * match modules: dst, eui64, frag
289 - disabled array after ttl-lt, ttl-gt
290 - allow "length", "physdev", "tos" negation
291 - translate sports, dports to source-ports, destination-ports in import-ferm
292 - added the "--remote" option
296 - import-ferm runs iptables-save if no input file is provided
299 v1.2beta2 - 9 Sep 2006
301 - added --shell which generates a shell script
302 - don't check available netfilter modules
303 - read iptables-save in initialize_netfilter()
304 - option --location is deprecated, ferm now calls /sbin/iptables
305 - whitespace fix in import-ferm
306 - allow late chain/table specification again
307 - set a second alarm in the confirmation dialog
308 - enable rollback feature even in non-interactive mode
311 v1.2beta1 - 28 Aug 2006
313 - removed support for ipfwadm and ipchains
314 - get a list of netfilter table names from /proc/net/ip_tables_names
315 - error messages go to STDERR
316 - full support for the match extensions: recent, comment, conntrack,
317 addrtype, ah, owner, time, dscp, ecn, helper, iprange, iplimit, length,
318 multiport, physdev, policy, realm, tcpmss, dst, frag
319 - full support for the targets: BALANCE, CLASSIFY, CONNMARK, NETMAP, ROUTE,
320 SNAT, TARPIT, NFQUEUE, SAME, DSCP
321 - support the protocols: dccp, sctp
322 - implemented variables and functions with 'def'
323 * variables and functions are local to their containing block
324 - stricter syntax checks, e.g.:
325 * some built-in targets must be uppercase
326 * only one target is allowed
327 * target parameters are only recognized after the target name, protocol
328 parameters only after the protocol match etc.
329 * referenced variables must exist
330 * list item negation is not possible
331 * only ACCEPT and DROP are allowed as policy
332 * tables and chains must be specified first
334 * using a policy as default target for a rule
335 * target MASQ, use MASQUERADE instead
336 * lower-case built-in chain names and targets
337 * lists must be specified with parantheses and no commas (old syntax
338 is deprecated, but still supported)
339 * variables declared with 'set' and referenced with '%NAME'
340 * many shortcuts like 'mac' and 'tosrc'
341 * shortcuts without the dash like 'tcpflags' ('tcp-flags')
342 * "option iptables"; only iptables is supported
345 * policy within a rule declaration
346 - fixed the double-module bug
347 - show filename and line number in error message
348 - implemented the 'include' command
349 - more shortcuts for command line options
350 - better set-tos parameter parser
351 - reimplemented backticks
352 - reimplemented tokenizer and parser
353 - escape shell parameters
354 - warn about unused custom chains
356 - options --clearall, --createchains are implied and deprecated
357 - options --debug and --verbose are deprecated
358 - reset all policies to ACCEPT
359 - variables expansion happens within double quotes
360 - implemented automatic variables: $TABLE, $CHAIN
361 - IPv6/ip6tables support
363 - print line number when iptables reports an error
364 - write error messages to STDERR
365 - replaced the old samples with new ones
366 - check which match and target modules are available
367 - generate output iptables-save format when --fast is specified
368 - semi-automatic sub chains with the 'subchain' keyword
369 - support tcp-flags negation
370 - added interactive mode
374 - Removed 'mark' as possible target due to nameclash
375 - Fixed typo in tos values with missing space
376 - Added support for shell escapes
377 - Updated manual page
378 - Fixed bug with ! before variable lists
379 - Added support for multiple variables inside a value
380 - Changed variable character from '$' to '%' to allow system variables
381 - Split up the pod stuff from the ferm source
382 - Fixed word splitter to more a serious approach
383 - Removed internal proxy variable, replaced with 'to' and 'toports' for clearity
384 - Removed the 'relaxed' option, for it wasn't used at it's potential (once)
385 - Added location option for the meek
386 - Have ferm prescan input to look for the kernel program and location
387 - Modified $(DOCDIR) to /usr/share/doc/ferm
388 - Added debug (--debug or -d) parameter for even more output
389 - Added --length,ttl, ttl[set|inc|dec] and ttl-[eq|lt|gt],
390 --[every|counter|start|packet], --average, --pkt-type, --string
391 --time[start|stop] and --days, ip-limit-[above|mask]
392 --psd-[weight-threshold|delay-threshold|[lo|hi]-ports-weight]
393 --to-[source|ports|destination], --set-ftos
394 - Added BALANCE, FTOS, SAME, TCPMSS targets and more
395 - Fixed bug on log/goto combination (missing space) -debian bugs
396 - Allow lists in set statements -debian bugs
397 - Added several patches from misc sources (thanks everyone)
398 - Cleaned up order of builtin targets (now alphabetically ordered)
401 v1.0pl8 - 13 july 2001
402 - Fixed nonexistent parameter values for log-[ip|tcp]-...
403 - Made keyword pattern matching strict, better for finding typo's
404 - Added NOP action (for match-counting)
405 - Added option automodule for automaticly loading correct modules
406 - Fixed -m for mark in iptables mixo
407 - Fixed relaxed matching tos values, still relaxed now though
408 - Fixed mark missing as normal target
409 - Added variable support
410 - Updated manual page partly
413 v1.0pl7 - 21 may 2001
414 - Added support for multiple modules
417 v1.0pl6 - 19 may 2001
418 - Fixed wrongly flushing of chains
419 - Fixed bug which infected policies already set
420 - Updated manual to distinguish between 'log' and 'LOG'
421 - Fixed lower case mismatching targets due to faulty
422 substring expression matching
425 v1.0pl5 - 16 may 2001
426 - Fixed policy keyword bug
427 - Added consistency check for missing semicolons before
429 - Fixed flushall target for multiple tables
430 - Reworked policy system to allow multiple policy settings for
432 - Changed syntax to allow "--state A,B", adapted "--tcp-flags"
433 syntax to do exactly the same (see manual)
436 v1.0pl4 - 11 may 2001
437 - Fixed order of TOS targets/params for iptables
438 - Added correct flushing in combination with policy-setting only
439 - Stripped trailing spaces on rule
440 - Fixed a small grammar error in description
441 - Removed SNAT and DNAT as valid policy targets
442 - Added QUEUE, MARK, MIRROR and RETURN as valid (policy) targets
443 - Added PRE/POSTROUTING chains as valid for policy
444 - Added set-mark parameter, moved 'mark' in ipchains to 'setmark'
445 - Added MASQUERADE <port/range> syntax for iptables
449 - Fixed DENY rule appearing uncapitalized
453 - Added support for SNAT and DNAT targets
454 - Added support for the tcp-flags option
458 - Fixed redirection to host vs port in iptables section
459 - Fixed chain clearing in all tables
460 - Switched to Makefiles for install & uninstall script
464 - Fixed iptables addr/port combination errors (iptables lacks
465 ipchains shorthand method for this)
466 - Removed 'reverse' for iptables (misses capability)
467 - Added filter and nat cleaning for 'clearall' option
468 - Major update on chain-administration in iptables
471 v0.0.18 - 18 Apr 2001
472 - Fixed two minor bugs (typo/parm ordering)
473 - Added ttl-* options for iptables
474 - Fixed log-tcp-*, which don't want parameters
475 - Return of default kernel program, now checked for at first rule
476 generation moment. Default is ipchains (again)
477 - Added PRE- and POSTROUTING targets for iptables
480 v0.0.17 - 19 Feb 2001
481 - Added better literal string handling enclosed in quotes
482 - Added "module" parameter for iptables
483 - Added "LOG" target for iptables, the "log" option still works
484 the old way, so "proto tcp log ACCEPT;" works fine
485 - Fixed table parameter in clearing/policy/creation of chains
486 - Added a special iptables example
487 - Added support for "! syn" and "! fragment" syntax
488 - Fixed fragment parameter bug
491 v0.0.16 - 12 Feb 2001
492 - Fixed default ipchains option- removed the default kernel
494 - Fixed 5 iptables/ipchains copy-paste typo's
498 - Added possibility of "" parameters including spaces and special
499 characters, handy for 'log-prefix'
500 - Fixed minor 'rejectt' bug
501 - Added a realistic ferm config example
502 - Fixed iptables log error (Klaus Lichtenwalder)
505 v0.0.14 - 28 Jan 2001
506 - Fixed tos and set-tos parameter switches for iptables
507 - Added install script
508 - Updated manual page to reflect changes in 0.0.13
509 - Fixed flushing/clearing in iptables
512 v0.0.13 - 10 Jan 2001
513 - Improved iptables support: the following parameters:
514 * table, out-interface, tcp-option, mac-source, limit, limit-burst,
515 all owner-parameters, state, logging options, reject-with
516 - Changed 'tos' into 'settos' to allow 'tos' matching in iptables
517 - Implemented the ! operator, partly by John Auer
521 - Fixed an incredibly stupid bug created in 0.0.11
525 - Fixed a lot of silly bugs with the policy system (uc/lc, wrong
531 - Policy can now be specified as a single statement, like
532 "chain input policy ACCEPT;", allowing policies to be
533 shut down and opened in the process of loading
534 - Added the 'reverse' option
535 - Fixed fqdn specification (Yannick Le Briquer)
536 - Package contains man page in html
540 - REDIRECT option corrected, you can now specify the port number
541 that you are redirecting to (D. Bidwell)
542 - Added basic iptables support
543 - fixed typo error between 's' and 'd' for portspec
544 - Updated manual page
548 - initial release, features: