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