4 version history for ferm
6 Max Kellermann <max@foo-projects.org>
7 Auke Kok <sofar@foo-projects.org>
10 v2.0.8 - not yet released
11 - added automatic variable $DIRNAME
15 - fix post and flush hooks with --lines
16 - always prefix the negation operator
17 - updated netfilter modules:
18 * addrtype: support negation and --limit-iface-{in,out}
19 * conntrack: support negation and --ctdir
20 * owner: support negation and --socket-exists
21 * policy: support negation
25 - support negation in mark/connmark
26 - support negation in set
27 - added automatic variable $FILENAME
28 - allow @subchain as the first keyword in a closure
29 - don't allow semicolon after empty rule
30 - enable @include to run a program
31 - removed superfluous tokens from error message
32 - create a new stack frame for @subchain (fixes $CHAIN)
36 - detect double negation
37 - improved detection of negated arrays
38 - ignore dpkg's backup/temporary files on @include
39 - renamed "hook" to "@hook"
40 - disable "pre" and "post" hooks with --flush
45 - enable policy-only domains (no rules, just policy declarations)
46 - don't list custom chains in --flush --fast mode
50 - create chains and subchains even if they are empty
51 - fix includes within a rule ("Missing semicolon...")
52 - fix subchain in include ("Died at [...] line 1493")
53 - "protocol" is an alias for "proto", to fix the keyword conflict with
58 - allow duplicate specification of "table" and "chain", for better
59 1.3.x compatibility. Support for this will be removed in a later
60 release. This does not apply to "domain".
64 - generate "COMMIT" lines when flushing in fast mode
65 - don't hard-code the path of iptables-save
66 - install manpages in PREFIX/share/man
70 - don't hard code built-in match modules
71 - support for arptables and ebtables
72 - removed support for deprecated ferm 1.1 syntax
73 - removed the "set" and the "option" keyword
74 - removed support for array-in-string
75 - cleared the deprecated keyword translation table
76 - removed TOS parameter shortcuts
77 - don't default to policy if no action is specified
78 - don't allow lower case built-in chain or policy names
79 - removed --automod, --use, --clearall, --flushall, --flushchains,
80 --createchains, --location, --debug, --verbose
81 - comma in array is forbidden
82 - removed "source" and "destination" as prefix for "addr" and "port"
83 - don't allow match rules before and after "policy"
84 - removed support for deprecated netfilter modules
88 - rewrote the internal rule storage
89 - honor the order of match modules
91 - use module data from ferm
92 - write policy in chain block
93 - do not generate implicit protocol modules
94 - do not allow targets options after "jump"
95 - fixed rollback when there is no iptables-save
96 - enable fast mode by default, can be disabled with --slow
100 - don't ignore unknown keywords after target (reported by Kai
102 - don't include hidden files (reported by Florian Reitmeir)
106 - fixed single quote escaping
107 - escape empty strings
108 - reset module list after semicolon handler (reported by Ralph Oesker)
109 - import-ferm: ignore the position of the negation marker; this allows us
110 to parse invalid save files generated by iptables-save (reported by
112 - fixed REDIRECT example in the manual
116 - updated netfilter modules:
117 * recent: support --rsource, --rdest
118 * time: support --monthday, --weekdays, --utc, --localtz
119 * u32: suport negated --u3
120 * DNAT: support --random
121 * MARK: support --set-xmark, --and-mark, --or-mark, --xor-mark
122 * MASQUERADE: support --random
123 * REDIRECT: support --random
124 * SNAT: support --random
125 * TOS: support --and-tos, --or-tos, --xor-tos
126 - check if chain was specified before @subchain
127 - suppress "not declared" warnings on empty custom chains
131 - bugfix: emit "--proto" instead of "--protocol" for xt_policy "proto"
132 - bugfix: handle array after DNAT/to-destination correctly
133 - target options cannot have arrays by default
134 - support netfilter modules:
137 - support netfilter targets:
138 * CLASSIFY (documentation)
141 * SAME (--random, documentation)
145 - require IO::Handle, this fixes the interactive mode
146 - configure test mode properly when running on microperl
150 - reserve tokens starting with "@" as ferm keywords
151 - implemented conditionals with @if/@else
152 - added @include/@def/@subchain as alias to include/def/subchain
153 - redirect STDOUT into STDERR --shell mode; this way, iptables warnings
154 are separated from the ferm shell script output
155 - microperl compatiblity:
156 - don't require strict.pm / vars.pm
158 - added simple Getopt::Long emulation
159 - look for iptables in PATH
160 - added function @resolve which resolves host names to IPv4 addresses
161 - import-ferm supports ip6tables-save files
162 - support "proto icmp" in the ip6 domain
163 - make "goto" deprecated to remap it to "--goto" later
164 - implemented "--goto" support, keyword is "realgoto"
165 - don't default to policy if rule action is missing
166 - support protocol modules
168 * udplite (sport, dport, mod multiport)
169 - support netfilter modules:
173 - support netfilter targets:
176 - abort when there is an unrecognized command line option (reported by
178 - import-ferm: don't generate NOP action before a block
179 - import-ferm: quote array values
180 - quote the ampersand
184 - make --flush do something in fast mode (reported by Hans-Georg Bork)
185 - fix automatic protocol modules when used in an expanded array
186 (reported by Ralph Oesker)
190 - support netfilter modules:
192 * ipset (patch by Martin Schuster)
193 - ignore empty lines in backticks result (reported by Martin Klozik)
194 - the match module for protocol "icmpv6" is named "icmp6"
195 - implemented basic hooks (suggested by Joerg Jaspert)
201 - subchains may be named
202 - don't copy module references to subchain (patch by Alex Metelka)
203 - override variables on the command line with "--def"
204 - auto-load modules only when their parameters are used
206 * targets MIRROR, NETMAP, NFQUEUE, NOTRACK, QUEUE
211 * warn against using iptables 1.2 with import-ferm
212 * extended the transition section in the manpage
213 - support netfilter modules: account
214 - bugfix: don't clear variable value when used as parameter in
215 multiport/destination-ports (reported by Bill Goudie)
219 - bugfix: reset domains after all rules were parsed and don't forget to
220 reset a table; this bug only affects users who run ferm on a remote
222 - reset policy on all guessed built-in chains if no authoritative
223 information about built-in chains is available
224 - support netfilter modules: condition, fuzzy, hbh, hl, ipv6header, rt,
226 - extended module support
227 * ah now supports the IPv6 options
228 - added missing documentation
230 * match modules: dst, eui64, frag
231 - disabled array after ttl-lt, ttl-gt
232 - allow "length", "physdev", "tos" negation
233 - translate sports, dports to source-ports, destination-ports in import-ferm
234 - added the "--remote" option
238 - import-ferm runs iptables-save if no input file is provided
241 v1.2beta2 - 9 Sep 2006
243 - added --shell which generates a shell script
244 - don't check available netfilter modules
245 - read iptables-save in initialize_netfilter()
246 - option --location is deprecated, ferm now calls /sbin/iptables
247 - whitespace fix in import-ferm
248 - allow late chain/table specification again
249 - set a second alarm in the confirmation dialog
250 - enable rollback feature even in non-interactive mode
253 v1.2beta1 - 28 Aug 2006
255 - removed support for ipfwadm and ipchains
256 - get a list of netfilter table names from /proc/net/ip_tables_names
257 - error messages go to STDERR
258 - full support for the match extensions: recent, comment, conntrack,
259 addrtype, ah, owner, time, dscp, ecn, helper, iprange, iplimit, length,
260 multiport, physdev, policy, realm, tcpmss, dst, frag
261 - full support for the targets: BALANCE, CLASSIFY, CONNMARK, NETMAP, ROUTE,
262 SNAT, TARPIT, NFQUEUE, SAME, DSCP
263 - support the protocols: dccp, sctp
264 - implemented variables and functions with 'def'
265 * variables and functions are local to their containing block
266 - stricter syntax checks, e.g.:
267 * some built-in targets must be uppercase
268 * only one target is allowed
269 * target parameters are only recognized after the target name, protocol
270 parameters only after the protocol match etc.
271 * referenced variables must exist
272 * list item negation is not possible
273 * only ACCEPT and DROP are allowed as policy
274 * tables and chains must be specified first
276 * using a policy as default target for a rule
277 * target MASQ, use MASQUERADE instead
278 * lower-case built-in chain names and targets
279 * lists must be specified with parantheses and no commas (old syntax
280 is deprecated, but still supported)
281 * variables declared with 'set' and referenced with '%NAME'
282 * many shortcuts like 'mac' and 'tosrc'
283 * shortcuts without the dash like 'tcpflags' ('tcp-flags')
284 * "option iptables"; only iptables is supported
287 * policy within a rule declaration
288 - fixed the double-module bug
289 - show filename and line number in error message
290 - implemented the 'include' command
291 - more shortcuts for command line options
292 - better set-tos parameter parser
293 - reimplemented backticks
294 - reimplemented tokenizer and parser
295 - escape shell parameters
296 - warn about unused custom chains
298 - options --clearall, --createchains are implied and deprecated
299 - options --debug and --verbose are deprecated
300 - reset all policies to ACCEPT
301 - variables expansion happens within double quotes
302 - implemented automatic variables: $TABLE, $CHAIN
303 - IPv6/ip6tables support
305 - print line number when iptables reports an error
306 - write error messages to STDERR
307 - replaced the old samples with new ones
308 - check which match and target modules are available
309 - generate output iptables-save format when --fast is specified
310 - semi-automatic sub chains with the 'subchain' keyword
311 - support tcp-flags negation
312 - added interactive mode
316 - Removed 'mark' as possible target due to nameclash
317 - Fixed typo in tos values with missing space
318 - Added support for shell escapes
319 - Updated manual page
320 - Fixed bug with ! before variable lists
321 - Added support for multiple variables inside a value
322 - Changed variable character from '$' to '%' to allow system variables
323 - Split up the pod stuff from the ferm source
324 - Fixed word splitter to more a serious approach
325 - Removed internal proxy variable, replaced with 'to' and 'toports' for clearity
326 - Removed the 'relaxed' option, for it wasn't used at it's potential (once)
327 - Added location option for the meek
328 - Have ferm prescan input to look for the kernel program and location
329 - Modified $(DOCDIR) to /usr/share/doc/ferm
330 - Added debug (--debug or -d) parameter for even more output
331 - Added --length,ttl, ttl[set|inc|dec] and ttl-[eq|lt|gt],
332 --[every|counter|start|packet], --average, --pkt-type, --string
333 --time[start|stop] and --days, ip-limit-[above|mask]
334 --psd-[weight-threshold|delay-threshold|[lo|hi]-ports-weight]
335 --to-[source|ports|destination], --set-ftos
336 - Added BALANCE, FTOS, SAME, TCPMSS targets and more
337 - Fixed bug on log/goto combination (missing space) -debian bugs
338 - Allow lists in set statements -debian bugs
339 - Added several patches from misc sources (thanks everyone)
340 - Cleaned up order of builtin targets (now alphabetically ordered)
343 v1.0pl8 - 13 july 2001
344 - Fixed nonexistent parameter values for log-[ip|tcp]-...
345 - Made keyword pattern matching strict, better for finding typo's
346 - Added NOP action (for match-counting)
347 - Added option automodule for automaticly loading correct modules
348 - Fixed -m for mark in iptables mixo
349 - Fixed relaxed matching tos values, still relaxed now though
350 - Fixed mark missing as normal target
351 - Added variable support
352 - Updated manual page partly
355 v1.0pl7 - 21 may 2001
356 - Added support for multiple modules
359 v1.0pl6 - 19 may 2001
360 - Fixed wrongly flushing of chains
361 - Fixed bug which infected policies already set
362 - Updated manual to distinguish between 'log' and 'LOG'
363 - Fixed lower case mismatching targets due to faulty
364 substring expression matching
367 v1.0pl5 - 16 may 2001
368 - Fixed policy keyword bug
369 - Added consistency check for missing semicolons before
371 - Fixed flushall target for multiple tables
372 - Reworked policy system to allow multiple policy settings for
374 - Changed syntax to allow "--state A,B", adapted "--tcp-flags"
375 syntax to do exactly the same (see manual)
378 v1.0pl4 - 11 may 2001
379 - Fixed order of TOS targets/params for iptables
380 - Added correct flushing in combination with policy-setting only
381 - Stripped trailing spaces on rule
382 - Fixed a small grammar error in description
383 - Removed SNAT and DNAT as valid policy targets
384 - Added QUEUE, MARK, MIRROR and RETURN as valid (policy) targets
385 - Added PRE/POSTROUTING chains as valid for policy
386 - Added set-mark parameter, moved 'mark' in ipchains to 'setmark'
387 - Added MASQUERADE <port/range> syntax for iptables
391 - Fixed DENY rule appearing uncapitalized
395 - Added support for SNAT and DNAT targets
396 - Added support for the tcp-flags option
400 - Fixed redirection to host vs port in iptables section
401 - Fixed chain clearing in all tables
402 - Switched to Makefiles for install & uninstall script
406 - Fixed iptables addr/port combination errors (iptables lacks
407 ipchains shorthand method for this)
408 - Removed 'reverse' for iptables (misses capability)
409 - Added filter and nat cleaning for 'clearall' option
410 - Major update on chain-administration in iptables
413 v0.0.18 - 18 Apr 2001
414 - Fixed two minor bugs (typo/parm ordering)
415 - Added ttl-* options for iptables
416 - Fixed log-tcp-*, which don't want parameters
417 - Return of default kernel program, now checked for at first rule
418 generation moment. Default is ipchains (again)
419 - Added PRE- and POSTROUTING targets for iptables
422 v0.0.17 - 19 Feb 2001
423 - Added better literal string handling enclosed in quotes
424 - Added "module" parameter for iptables
425 - Added "LOG" target for iptables, the "log" option still works
426 the old way, so "proto tcp log ACCEPT;" works fine
427 - Fixed table parameter in clearing/policy/creation of chains
428 - Added a special iptables example
429 - Added support for "! syn" and "! fragment" syntax
430 - Fixed fragment parameter bug
433 v0.0.16 - 12 Feb 2001
434 - Fixed default ipchains option- removed the default kernel
436 - Fixed 5 iptables/ipchains copy-paste typo's
440 - Added possibility of "" parameters including spaces and special
441 characters, handy for 'log-prefix'
442 - Fixed minor 'rejectt' bug
443 - Added a realistic ferm config example
444 - Fixed iptables log error (Klaus Lichtenwalder)
447 v0.0.14 - 28 Jan 2001
448 - Fixed tos and set-tos parameter switches for iptables
449 - Added install script
450 - Updated manual page to reflect changes in 0.0.13
451 - Fixed flushing/clearing in iptables
454 v0.0.13 - 10 Jan 2001
455 - Improved iptables support: the following parameters:
456 * table, out-interface, tcp-option, mac-source, limit, limit-burst,
457 all owner-parameters, state, logging options, reject-with
458 - Changed 'tos' into 'settos' to allow 'tos' matching in iptables
459 - Implemented the ! operator, partly by John Auer
463 - Fixed an incredibly stupid bug created in 0.0.11
467 - Fixed a lot of silly bugs with the policy system (uc/lc, wrong
473 - Policy can now be specified as a single statement, like
474 "chain input policy ACCEPT;", allowing policies to be
475 shut down and opened in the process of loading
476 - Added the 'reverse' option
477 - Fixed fqdn specification (Yannick Le Briquer)
478 - Package contains man page in html
482 - REDIRECT option corrected, you can now specify the port number
483 that you are redirecting to (D. Bidwell)
484 - Added basic iptables support
485 - fixed typo error between 's' and 'd' for portspec
486 - Updated manual page
490 - initial release, features: