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