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