4 version history for ferm
6 Auke Kok <sofar@foo-projects.org>
7 Max Kellermann <max@foo-projects.org>
10 v2.0 - not yet released
11 - don't hard code built-in match modules
12 - support for arptables and ebtables
13 - removed support for deprecated ferm 1.1 syntax
14 - removed the "set" and the "option" keyword
15 - removed support for array-in-string
16 - cleared the deprecated keyword translation table
17 - removed TOS parameter shortcuts
18 - don't default to policy if no action is specified
19 - don't allow lower case built-in chain or policy names
20 - removed --automod, --use, --clearall, --flushall, --flushchains,
21 --createchains, --location
22 - comma in array is forbidden
23 - removed "source" and "destination" as prefix for "addr" and "port"
24 - don't allow match rules before and after "policy"
25 - removed support for deprecated netfilter modules
29 - rewrote the internal rule storage
30 - honor the order of match modules
31 - import-ferm: write policy in chain block
35 - updated netfilter modules:
36 * recent: support --rsource, --rdest
37 * time: support --monthday, --weekdays, --utc, --localtz
38 * u32: suport negated --u3
39 * DNAT: support --random
40 * MARK: support --set-xmark, --and-mark, --or-mark, --xor-mark
41 * MASQUERADE: support --random
42 * REDIRECT: support --random
43 * SNAT: support --random
44 * TOS: support --and-tos, --or-tos, --xor-tos
45 - check if chain was specified before @subchain
46 - suppress "not declared" warnings on empty custom chains
50 - bugfix: emit "--proto" instead of "--protocol" for xt_policy "proto"
51 - bugfix: handle array after DNAT/to-destination correctly
52 - target options cannot have arrays by default
53 - support netfilter modules:
56 - support netfilter targets:
57 * CLASSIFY (documentation)
60 * SAME (--random, documentation)
64 - require IO::Handle, this fixes the interactive mode
65 - configure test mode properly when running on microperl
69 - reserve tokens starting with "@" as ferm keywords
70 - implemented conditionals with @if/@else
71 - added @include/@def/@subchain as alias to include/def/subchain
72 - redirect STDOUT into STDERR --shell mode; this way, iptables warnings
73 are separated from the ferm shell script output
74 - microperl compatiblity:
75 - don't require strict.pm / vars.pm
77 - added simple Getopt::Long emulation
78 - look for iptables in PATH
79 - added function @resolve which resolves host names to IPv4 addresses
80 - import-ferm supports ip6tables-save files
81 - support "proto icmp" in the ip6 domain
82 - make "goto" deprecated to remap it to "--goto" later
83 - implemented "--goto" support, keyword is "realgoto"
84 - don't default to policy if rule action is missing
85 - support protocol modules
87 * udplite (sport, dport, mod multiport)
88 - support netfilter modules:
92 - support netfilter targets:
95 - abort when there is an unrecognized command line option (reported by
97 - import-ferm: don't generate NOP action before a block
98 - import-ferm: quote array values
103 - make --flush do something in fast mode (reported by Hans-Georg Bork)
104 - fix automatic protocol modules when used in an expanded array
105 (reported by Ralph Oesker)
109 - support netfilter modules:
111 * ipset (patch by Martin Schuster)
112 - ignore empty lines in backticks result (reported by Martin Klozik)
113 - the match module for protocol "icmpv6" is named "icmp6"
114 - implemented basic hooks (suggested by Joerg Jaspert)
120 - subchains may be named
121 - don't copy module references to subchain (patch by Alex Metelka)
122 - override variables on the command line with "--def"
123 - auto-load modules only when their parameters are used
125 * targets MIRROR, NETMAP, NFQUEUE, NOTRACK, QUEUE
130 * warn against using iptables 1.2 with import-ferm
131 * extended the transition section in the manpage
132 - support netfilter modules: account
133 - bugfix: don't clear variable value when used as parameter in
134 multiport/destination-ports (reported by Bill Goudie)
138 - bugfix: reset domains after all rules were parsed and don't forget to
139 reset a table; this bug only affects users who run ferm on a remote
141 - reset policy on all guessed built-in chains if no authoritative
142 information about built-in chains is available
143 - support netfilter modules: condition, fuzzy, hbh, hl, ipv6header, rt,
145 - extended module support
146 * ah now supports the IPv6 options
147 - added missing documentation
149 * match modules: dst, eui64, frag
150 - disabled array after ttl-lt, ttl-gt
151 - allow "length", "physdev", "tos" negation
152 - translate sports, dports to source-ports, destination-ports in import-ferm
153 - added the "--remote" option
157 - import-ferm runs iptables-save if no input file is provided
160 v1.2beta2 - 9 Sep 2006
162 - added --shell which generates a shell script
163 - don't check available netfilter modules
164 - read iptables-save in initialize_netfilter()
165 - option --location is deprecated, ferm now calls /sbin/iptables
166 - whitespace fix in import-ferm
167 - allow late chain/table specification again
168 - set a second alarm in the confirmation dialog
169 - enable rollback feature even in non-interactive mode
172 v1.2beta1 - 28 Aug 2006
174 - removed support for ipfwadm and ipchains
175 - get a list of netfilter table names from /proc/net/ip_tables_names
176 - error messages go to STDERR
177 - full support for the match extensions: recent, comment, conntrack,
178 addrtype, ah, owner, time, dscp, ecn, helper, iprange, iplimit, length,
179 multiport, physdev, policy, realm, tcpmss, dst, frag
180 - full support for the targets: BALANCE, CLASSIFY, CONNMARK, NETMAP, ROUTE,
181 SNAT, TARPIT, NFQUEUE, SAME, DSCP
182 - support the protocols: dccp, sctp
183 - implemented variables and functions with 'def'
184 * variables and functions are local to their containing block
185 - stricter syntax checks, e.g.:
186 * some built-in targets must be uppercase
187 * only one target is allowed
188 * target parameters are only recognized after the target name, protocol
189 parameters only after the protocol match etc.
190 * referenced variables must exist
191 * list item negation is not possible
192 * only ACCEPT and DROP are allowed as policy
193 * tables and chains must be specified first
195 * using a policy as default target for a rule
196 * target MASQ, use MASQUERADE instead
197 * lower-case built-in chain names and targets
198 * lists must be specified with parantheses and no commas (old syntax
199 is deprecated, but still supported)
200 * variables declared with 'set' and referenced with '%NAME'
201 * many shortcuts like 'mac' and 'tosrc'
202 * shortcuts without the dash like 'tcpflags' ('tcp-flags')
203 * "option iptables"; only iptables is supported
206 * policy within a rule declaration
207 - fixed the double-module bug
208 - show filename and line number in error message
209 - implemented the 'include' command
210 - more shortcuts for command line options
211 - better set-tos parameter parser
212 - reimplemented backticks
213 - reimplemented tokenizer and parser
214 - escape shell parameters
215 - warn about unused custom chains
217 - options --clearall, --createchains are implied and deprecated
218 - options --debug and --verbose are deprecated
219 - reset all policies to ACCEPT
220 - variables expansion happens within double quotes
221 - implemented automatic variables: $TABLE, $CHAIN
222 - IPv6/ip6tables support
224 - print line number when iptables reports an error
225 - write error messages to STDERR
226 - replaced the old samples with new ones
227 - check which match and target modules are available
228 - generate output iptables-save format when --fast is specified
229 - semi-automatic sub chains with the 'subchain' keyword
230 - support tcp-flags negation
231 - added interactive mode
235 - Removed 'mark' as possible target due to nameclash
236 - Fixed typo in tos values with missing space
237 - Added support for shell escapes
238 - Updated manual page
239 - Fixed bug with ! before variable lists
240 - Added support for multiple variables inside a value
241 - Changed variable character from '$' to '%' to allow system variables
242 - Split up the pod stuff from the ferm source
243 - Fixed word splitter to more a serious approach
244 - Removed internal proxy variable, replaced with 'to' and 'toports' for clearity
245 - Removed the 'relaxed' option, for it wasn't used at it's potential (once)
246 - Added location option for the meek
247 - Have ferm prescan input to look for the kernel program and location
248 - Modified $(DOCDIR) to /usr/share/doc/ferm
249 - Added debug (--debug or -d) parameter for even more output
250 - Added --length,ttl, ttl[set|inc|dec] and ttl-[eq|lt|gt],
251 --[every|counter|start|packet], --average, --pkt-type, --string
252 --time[start|stop] and --days, ip-limit-[above|mask]
253 --psd-[weight-threshold|delay-threshold|[lo|hi]-ports-weight]
254 --to-[source|ports|destination], --set-ftos
255 - Added BALANCE, FTOS, SAME, TCPMSS targets and more
256 - Fixed bug on log/goto combination (missing space) -debian bugs
257 - Allow lists in set statements -debian bugs
258 - Added several patches from misc sources (thanks everyone)
259 - Cleaned up order of builtin targets (now alphabetically ordered)
262 v1.0pl8 - 13 july 2001
263 - Fixed nonexistent parameter values for log-[ip|tcp]-...
264 - Made keyword pattern matching strict, better for finding typo's
265 - Added NOP action (for match-counting)
266 - Added option automodule for automaticly loading correct modules
267 - Fixed -m for mark in iptables mixo
268 - Fixed relaxed matching tos values, still relaxed now though
269 - Fixed mark missing as normal target
270 - Added variable support
271 - Updated manual page partly
274 v1.0pl7 - 21 may 2001
275 - Added support for multiple modules
278 v1.0pl6 - 19 may 2001
279 - Fixed wrongly flushing of chains
280 - Fixed bug which infected policies already set
281 - Updated manual to distinguish between 'log' and 'LOG'
282 - Fixed lower case mismatching targets due to faulty
283 substring expression matching
286 v1.0pl5 - 16 may 2001
287 - Fixed policy keyword bug
288 - Added consistency check for missing semicolons before
290 - Fixed flushall target for multiple tables
291 - Reworked policy system to allow multiple policy settings for
293 - Changed syntax to allow "--state A,B", adapted "--tcp-flags"
294 syntax to do exactly the same (see manual)
297 v1.0pl4 - 11 may 2001
298 - Fixed order of TOS targets/params for iptables
299 - Added correct flushing in combination with policy-setting only
300 - Stripped trailing spaces on rule
301 - Fixed a small grammar error in description
302 - Removed SNAT and DNAT as valid policy targets
303 - Added QUEUE, MARK, MIRROR and RETURN as valid (policy) targets
304 - Added PRE/POSTROUTING chains as valid for policy
305 - Added set-mark parameter, moved 'mark' in ipchains to 'setmark'
306 - Added MASQUERADE <port/range> syntax for iptables
310 - Fixed DENY rule appearing uncapitalized
314 - Added support for SNAT and DNAT targets
315 - Added support for the tcp-flags option
319 - Fixed redirection to host vs port in iptables section
320 - Fixed chain clearing in all tables
321 - Switched to Makefiles for install & uninstall script
325 - Fixed iptables addr/port combination errors (iptables lacks
326 ipchains shorthand method for this)
327 - Removed 'reverse' for iptables (misses capability)
328 - Added filter and nat cleaning for 'clearall' option
329 - Major update on chain-administration in iptables
332 v0.0.18 - 18 Apr 2001
333 - Fixed two minor bugs (typo/parm ordering)
334 - Added ttl-* options for iptables
335 - Fixed log-tcp-*, which don't want parameters
336 - Return of default kernel program, now checked for at first rule
337 generation moment. Default is ipchains (again)
338 - Added PRE- and POSTROUTING targets for iptables
341 v0.0.17 - 19 Feb 2001
342 - Added better literal string handling enclosed in quotes
343 - Added "module" parameter for iptables
344 - Added "LOG" target for iptables, the "log" option still works
345 the old way, so "proto tcp log ACCEPT;" works fine
346 - Fixed table parameter in clearing/policy/creation of chains
347 - Added a special iptables example
348 - Added support for "! syn" and "! fragment" syntax
349 - Fixed fragment parameter bug
352 v0.0.16 - 12 Feb 2001
353 - Fixed default ipchains option- removed the default kernel
355 - Fixed 5 iptables/ipchains copy-paste typo's
359 - Added possibility of "" parameters including spaces and special
360 characters, handy for 'log-prefix'
361 - Fixed minor 'rejectt' bug
362 - Added a realistic ferm config example
363 - Fixed iptables log error (Klaus Lichtenwalder)
366 v0.0.14 - 28 Jan 2001
367 - Fixed tos and set-tos parameter switches for iptables
368 - Added install script
369 - Updated manual page to reflect changes in 0.0.13
370 - Fixed flushing/clearing in iptables
373 v0.0.13 - 10 Jan 2001
374 - Improved iptables support: the following parameters:
375 * table, out-interface, tcp-option, mac-source, limit, limit-burst,
376 all owner-parameters, state, logging options, reject-with
377 - Changed 'tos' into 'settos' to allow 'tos' matching in iptables
378 - Implemented the ! operator, partly by John Auer
382 - Fixed an incredibly stupid bug created in 0.0.11
386 - Fixed a lot of silly bugs with the policy system (uc/lc, wrong
392 - Policy can now be specified as a single statement, like
393 "chain input policy ACCEPT;", allowing policies to be
394 shut down and opened in the process of loading
395 - Added the 'reverse' option
396 - Fixed fqdn specification (Yannick Le Briquer)
397 - Package contains man page in html
401 - REDIRECT option corrected, you can now specify the port number
402 that you are redirecting to (D. Bidwell)
403 - Added basic iptables support
404 - fixed typo error between 's' and 'd' for portspec
405 - Updated manual page
409 - initial release, features: