4 version history for ferm
6 Max Kellermann <max@foo-projects.org>
7 Auke Kok <sofar@foo-projects.org>
10 v2.0.9 - not yet released
14 - added automatic variable $DIRNAME
15 - implement confirmation/rollback for --shell --interactive
16 - added the "type" parameter to @resolve()
17 - new functions @eq, @ne, @not
18 - updated netfilter modules:
19 * ebtables/snat: support --snat-arp
20 - add parameter --timeout for rollback
24 - fix post and flush hooks with --lines
25 - always prefix the negation operator
26 - updated netfilter modules:
27 * addrtype: support negation and --limit-iface-{in,out}
28 * conntrack: support negation and --ctdir
29 * owner: support negation and --socket-exists
30 * policy: support negation
34 - support negation in mark/connmark
35 - support negation in set
36 - added automatic variable $FILENAME
37 - allow @subchain as the first keyword in a closure
38 - don't allow semicolon after empty rule
39 - enable @include to run a program
40 - removed superfluous tokens from error message
41 - create a new stack frame for @subchain (fixes $CHAIN)
45 - detect double negation
46 - improved detection of negated arrays
47 - ignore dpkg's backup/temporary files on @include
48 - renamed "hook" to "@hook"
49 - disable "pre" and "post" hooks with --flush
54 - enable policy-only domains (no rules, just policy declarations)
55 - don't list custom chains in --flush --fast mode
59 - create chains and subchains even if they are empty
60 - fix includes within a rule ("Missing semicolon...")
61 - fix subchain in include ("Died at [...] line 1493")
62 - "protocol" is an alias for "proto", to fix the keyword conflict with
67 - allow duplicate specification of "table" and "chain", for better
68 1.3.x compatibility. Support for this will be removed in a later
69 release. This does not apply to "domain".
73 - generate "COMMIT" lines when flushing in fast mode
74 - don't hard-code the path of iptables-save
75 - install manpages in PREFIX/share/man
79 - don't hard code built-in match modules
80 - support for arptables and ebtables
81 - removed support for deprecated ferm 1.1 syntax
82 - removed the "set" and the "option" keyword
83 - removed support for array-in-string
84 - cleared the deprecated keyword translation table
85 - removed TOS parameter shortcuts
86 - don't default to policy if no action is specified
87 - don't allow lower case built-in chain or policy names
88 - removed --automod, --use, --clearall, --flushall, --flushchains,
89 --createchains, --location, --debug, --verbose
90 - comma in array is forbidden
91 - removed "source" and "destination" as prefix for "addr" and "port"
92 - don't allow match rules before and after "policy"
93 - removed support for deprecated netfilter modules
97 - rewrote the internal rule storage
98 - honor the order of match modules
100 - use module data from ferm
101 - write policy in chain block
102 - do not generate implicit protocol modules
103 - do not allow targets options after "jump"
104 - fixed rollback when there is no iptables-save
105 - enable fast mode by default, can be disabled with --slow
109 - don't ignore unknown keywords after target (reported by Kai
111 - don't include hidden files (reported by Florian Reitmeir)
115 - fixed single quote escaping
116 - escape empty strings
117 - reset module list after semicolon handler (reported by Ralph Oesker)
118 - import-ferm: ignore the position of the negation marker; this allows us
119 to parse invalid save files generated by iptables-save (reported by
121 - fixed REDIRECT example in the manual
125 - updated netfilter modules:
126 * recent: support --rsource, --rdest
127 * time: support --monthday, --weekdays, --utc, --localtz
128 * u32: suport negated --u3
129 * DNAT: support --random
130 * MARK: support --set-xmark, --and-mark, --or-mark, --xor-mark
131 * MASQUERADE: support --random
132 * REDIRECT: support --random
133 * SNAT: support --random
134 * TOS: support --and-tos, --or-tos, --xor-tos
135 - check if chain was specified before @subchain
136 - suppress "not declared" warnings on empty custom chains
140 - bugfix: emit "--proto" instead of "--protocol" for xt_policy "proto"
141 - bugfix: handle array after DNAT/to-destination correctly
142 - target options cannot have arrays by default
143 - support netfilter modules:
146 - support netfilter targets:
147 * CLASSIFY (documentation)
150 * SAME (--random, documentation)
154 - require IO::Handle, this fixes the interactive mode
155 - configure test mode properly when running on microperl
159 - reserve tokens starting with "@" as ferm keywords
160 - implemented conditionals with @if/@else
161 - added @include/@def/@subchain as alias to include/def/subchain
162 - redirect STDOUT into STDERR --shell mode; this way, iptables warnings
163 are separated from the ferm shell script output
164 - microperl compatiblity:
165 - don't require strict.pm / vars.pm
167 - added simple Getopt::Long emulation
168 - look for iptables in PATH
169 - added function @resolve which resolves host names to IPv4 addresses
170 - import-ferm supports ip6tables-save files
171 - support "proto icmp" in the ip6 domain
172 - make "goto" deprecated to remap it to "--goto" later
173 - implemented "--goto" support, keyword is "realgoto"
174 - don't default to policy if rule action is missing
175 - support protocol modules
177 * udplite (sport, dport, mod multiport)
178 - support netfilter modules:
182 - support netfilter targets:
185 - abort when there is an unrecognized command line option (reported by
187 - import-ferm: don't generate NOP action before a block
188 - import-ferm: quote array values
189 - quote the ampersand
193 - make --flush do something in fast mode (reported by Hans-Georg Bork)
194 - fix automatic protocol modules when used in an expanded array
195 (reported by Ralph Oesker)
199 - support netfilter modules:
201 * ipset (patch by Martin Schuster)
202 - ignore empty lines in backticks result (reported by Martin Klozik)
203 - the match module for protocol "icmpv6" is named "icmp6"
204 - implemented basic hooks (suggested by Joerg Jaspert)
210 - subchains may be named
211 - don't copy module references to subchain (patch by Alex Metelka)
212 - override variables on the command line with "--def"
213 - auto-load modules only when their parameters are used
215 * targets MIRROR, NETMAP, NFQUEUE, NOTRACK, QUEUE
220 * warn against using iptables 1.2 with import-ferm
221 * extended the transition section in the manpage
222 - support netfilter modules: account
223 - bugfix: don't clear variable value when used as parameter in
224 multiport/destination-ports (reported by Bill Goudie)
228 - bugfix: reset domains after all rules were parsed and don't forget to
229 reset a table; this bug only affects users who run ferm on a remote
231 - reset policy on all guessed built-in chains if no authoritative
232 information about built-in chains is available
233 - support netfilter modules: condition, fuzzy, hbh, hl, ipv6header, rt,
235 - extended module support
236 * ah now supports the IPv6 options
237 - added missing documentation
239 * match modules: dst, eui64, frag
240 - disabled array after ttl-lt, ttl-gt
241 - allow "length", "physdev", "tos" negation
242 - translate sports, dports to source-ports, destination-ports in import-ferm
243 - added the "--remote" option
247 - import-ferm runs iptables-save if no input file is provided
250 v1.2beta2 - 9 Sep 2006
252 - added --shell which generates a shell script
253 - don't check available netfilter modules
254 - read iptables-save in initialize_netfilter()
255 - option --location is deprecated, ferm now calls /sbin/iptables
256 - whitespace fix in import-ferm
257 - allow late chain/table specification again
258 - set a second alarm in the confirmation dialog
259 - enable rollback feature even in non-interactive mode
262 v1.2beta1 - 28 Aug 2006
264 - removed support for ipfwadm and ipchains
265 - get a list of netfilter table names from /proc/net/ip_tables_names
266 - error messages go to STDERR
267 - full support for the match extensions: recent, comment, conntrack,
268 addrtype, ah, owner, time, dscp, ecn, helper, iprange, iplimit, length,
269 multiport, physdev, policy, realm, tcpmss, dst, frag
270 - full support for the targets: BALANCE, CLASSIFY, CONNMARK, NETMAP, ROUTE,
271 SNAT, TARPIT, NFQUEUE, SAME, DSCP
272 - support the protocols: dccp, sctp
273 - implemented variables and functions with 'def'
274 * variables and functions are local to their containing block
275 - stricter syntax checks, e.g.:
276 * some built-in targets must be uppercase
277 * only one target is allowed
278 * target parameters are only recognized after the target name, protocol
279 parameters only after the protocol match etc.
280 * referenced variables must exist
281 * list item negation is not possible
282 * only ACCEPT and DROP are allowed as policy
283 * tables and chains must be specified first
285 * using a policy as default target for a rule
286 * target MASQ, use MASQUERADE instead
287 * lower-case built-in chain names and targets
288 * lists must be specified with parantheses and no commas (old syntax
289 is deprecated, but still supported)
290 * variables declared with 'set' and referenced with '%NAME'
291 * many shortcuts like 'mac' and 'tosrc'
292 * shortcuts without the dash like 'tcpflags' ('tcp-flags')
293 * "option iptables"; only iptables is supported
296 * policy within a rule declaration
297 - fixed the double-module bug
298 - show filename and line number in error message
299 - implemented the 'include' command
300 - more shortcuts for command line options
301 - better set-tos parameter parser
302 - reimplemented backticks
303 - reimplemented tokenizer and parser
304 - escape shell parameters
305 - warn about unused custom chains
307 - options --clearall, --createchains are implied and deprecated
308 - options --debug and --verbose are deprecated
309 - reset all policies to ACCEPT
310 - variables expansion happens within double quotes
311 - implemented automatic variables: $TABLE, $CHAIN
312 - IPv6/ip6tables support
314 - print line number when iptables reports an error
315 - write error messages to STDERR
316 - replaced the old samples with new ones
317 - check which match and target modules are available
318 - generate output iptables-save format when --fast is specified
319 - semi-automatic sub chains with the 'subchain' keyword
320 - support tcp-flags negation
321 - added interactive mode
325 - Removed 'mark' as possible target due to nameclash
326 - Fixed typo in tos values with missing space
327 - Added support for shell escapes
328 - Updated manual page
329 - Fixed bug with ! before variable lists
330 - Added support for multiple variables inside a value
331 - Changed variable character from '$' to '%' to allow system variables
332 - Split up the pod stuff from the ferm source
333 - Fixed word splitter to more a serious approach
334 - Removed internal proxy variable, replaced with 'to' and 'toports' for clearity
335 - Removed the 'relaxed' option, for it wasn't used at it's potential (once)
336 - Added location option for the meek
337 - Have ferm prescan input to look for the kernel program and location
338 - Modified $(DOCDIR) to /usr/share/doc/ferm
339 - Added debug (--debug or -d) parameter for even more output
340 - Added --length,ttl, ttl[set|inc|dec] and ttl-[eq|lt|gt],
341 --[every|counter|start|packet], --average, --pkt-type, --string
342 --time[start|stop] and --days, ip-limit-[above|mask]
343 --psd-[weight-threshold|delay-threshold|[lo|hi]-ports-weight]
344 --to-[source|ports|destination], --set-ftos
345 - Added BALANCE, FTOS, SAME, TCPMSS targets and more
346 - Fixed bug on log/goto combination (missing space) -debian bugs
347 - Allow lists in set statements -debian bugs
348 - Added several patches from misc sources (thanks everyone)
349 - Cleaned up order of builtin targets (now alphabetically ordered)
352 v1.0pl8 - 13 july 2001
353 - Fixed nonexistent parameter values for log-[ip|tcp]-...
354 - Made keyword pattern matching strict, better for finding typo's
355 - Added NOP action (for match-counting)
356 - Added option automodule for automaticly loading correct modules
357 - Fixed -m for mark in iptables mixo
358 - Fixed relaxed matching tos values, still relaxed now though
359 - Fixed mark missing as normal target
360 - Added variable support
361 - Updated manual page partly
364 v1.0pl7 - 21 may 2001
365 - Added support for multiple modules
368 v1.0pl6 - 19 may 2001
369 - Fixed wrongly flushing of chains
370 - Fixed bug which infected policies already set
371 - Updated manual to distinguish between 'log' and 'LOG'
372 - Fixed lower case mismatching targets due to faulty
373 substring expression matching
376 v1.0pl5 - 16 may 2001
377 - Fixed policy keyword bug
378 - Added consistency check for missing semicolons before
380 - Fixed flushall target for multiple tables
381 - Reworked policy system to allow multiple policy settings for
383 - Changed syntax to allow "--state A,B", adapted "--tcp-flags"
384 syntax to do exactly the same (see manual)
387 v1.0pl4 - 11 may 2001
388 - Fixed order of TOS targets/params for iptables
389 - Added correct flushing in combination with policy-setting only
390 - Stripped trailing spaces on rule
391 - Fixed a small grammar error in description
392 - Removed SNAT and DNAT as valid policy targets
393 - Added QUEUE, MARK, MIRROR and RETURN as valid (policy) targets
394 - Added PRE/POSTROUTING chains as valid for policy
395 - Added set-mark parameter, moved 'mark' in ipchains to 'setmark'
396 - Added MASQUERADE <port/range> syntax for iptables
400 - Fixed DENY rule appearing uncapitalized
404 - Added support for SNAT and DNAT targets
405 - Added support for the tcp-flags option
409 - Fixed redirection to host vs port in iptables section
410 - Fixed chain clearing in all tables
411 - Switched to Makefiles for install & uninstall script
415 - Fixed iptables addr/port combination errors (iptables lacks
416 ipchains shorthand method for this)
417 - Removed 'reverse' for iptables (misses capability)
418 - Added filter and nat cleaning for 'clearall' option
419 - Major update on chain-administration in iptables
422 v0.0.18 - 18 Apr 2001
423 - Fixed two minor bugs (typo/parm ordering)
424 - Added ttl-* options for iptables
425 - Fixed log-tcp-*, which don't want parameters
426 - Return of default kernel program, now checked for at first rule
427 generation moment. Default is ipchains (again)
428 - Added PRE- and POSTROUTING targets for iptables
431 v0.0.17 - 19 Feb 2001
432 - Added better literal string handling enclosed in quotes
433 - Added "module" parameter for iptables
434 - Added "LOG" target for iptables, the "log" option still works
435 the old way, so "proto tcp log ACCEPT;" works fine
436 - Fixed table parameter in clearing/policy/creation of chains
437 - Added a special iptables example
438 - Added support for "! syn" and "! fragment" syntax
439 - Fixed fragment parameter bug
442 v0.0.16 - 12 Feb 2001
443 - Fixed default ipchains option- removed the default kernel
445 - Fixed 5 iptables/ipchains copy-paste typo's
449 - Added possibility of "" parameters including spaces and special
450 characters, handy for 'log-prefix'
451 - Fixed minor 'rejectt' bug
452 - Added a realistic ferm config example
453 - Fixed iptables log error (Klaus Lichtenwalder)
456 v0.0.14 - 28 Jan 2001
457 - Fixed tos and set-tos parameter switches for iptables
458 - Added install script
459 - Updated manual page to reflect changes in 0.0.13
460 - Fixed flushing/clearing in iptables
463 v0.0.13 - 10 Jan 2001
464 - Improved iptables support: the following parameters:
465 * table, out-interface, tcp-option, mac-source, limit, limit-burst,
466 all owner-parameters, state, logging options, reject-with
467 - Changed 'tos' into 'settos' to allow 'tos' matching in iptables
468 - Implemented the ! operator, partly by John Auer
472 - Fixed an incredibly stupid bug created in 0.0.11
476 - Fixed a lot of silly bugs with the policy system (uc/lc, wrong
482 - Policy can now be specified as a single statement, like
483 "chain input policy ACCEPT;", allowing policies to be
484 shut down and opened in the process of loading
485 - Added the 'reverse' option
486 - Fixed fqdn specification (Yannick Le Briquer)
487 - Package contains man page in html
491 - REDIRECT option corrected, you can now specify the port number
492 that you are redirecting to (D. Bidwell)
493 - Added basic iptables support
494 - fixed typo error between 's' and 'd' for portspec
495 - Updated manual page
499 - initial release, features: