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