blob: 8b141f3c5c372248d2a5771df921e56415280038 [file] [log] [blame]
Harald Welteaf4ec452001-01-24 01:15:16 +00001TODO List for netfilter / iptables.
2Currently maintained by Harald Welte <laforge@gnumonks.org>
3
4Please inform me, if you want to work on any of the TODO items, so I
5can update this list and thus prevent two people doing the same work.
6
Harald Weltefc32daf2001-05-26 20:31:59 +00007CVS ID: $Id: TODO,v 1.37 2001/05/25 12:24:20 jamesm Exp $
Harald Welteaf4ec452001-01-24 01:15:16 +00008
Harald Welte3666e0e2001-04-12 22:24:29 +00009IMPORTANT issues:
10- solution for nostate / notrack (we don't want to track specific conn's)
11- multiple related connections [HW]
12- ip_conntrack rmmod loop (sometimes, Yan's patch?)
13- conntrack helper not called for first packet (udp!)
Harald Welte90ba5ec2001-05-03 21:10:24 +000014- why is nat_helper's expect() function called for all helpers? [HW]
Harald Welte3666e0e2001-04-12 22:24:29 +000015X full tcp window tracking incompatibility with nat helpers [HW]
Harald Welte90ba5ec2001-05-03 21:10:24 +000016? Hard lockup with ip_queue under heavy load (was possibly some unrelated 2.3
17 problem) [JM]
Harald Welte3666e0e2001-04-12 22:24:29 +000018- mangle table should use all five netfilter hooks [HW]
Harald Welte90ba5ec2001-05-03 21:10:24 +000019X merge EPRT / EPSV ftp stuff [RR] (reimplemented in ftp-fixes, included 2.4.4)
Harald Welte61b19892001-04-24 00:02:33 +000020X runme error with IPv6 stuff! [HW]
21- wrong 'Out of window' error message from tcp-windowtracking [HW]
Harald Welte90ba5ec2001-05-03 21:10:24 +000022X SMP conntrack race [RR] (ftp-fixes, included in 2.4.4)
Harald Welte6fc86582001-05-05 04:39:39 +000023- static compiling/linking of iptables (for router-on-a-disk) [HW]
24- IPv6 testing (MARK, LOG, REJECT) [HW]
Harald Weltede1578f2001-05-23 23:07:33 +000025x iptables-save doesn't work with eth+ style multiple IF stuff [HW]
26X reject-with on REJECT target doesn't work [HW]
27- IPv6 REJECT target doesn't have extension plugin ?!?
28- colon inside prefix doesn't work
James Morris1cb4c052001-05-25 12:24:20 +000029- pending minor ip_queue updates [JM]
Harald Welteaf4ec452001-01-24 01:15:16 +000030
Harald Welte3666e0e2001-04-12 22:24:29 +000031NICE to have:
32- multicast connection tracking
Harald Welteaf4ec452001-01-24 01:15:16 +000033- sysctl support for ftp-multi, irc-conntrack/nat, ftp-fxp
34- integrate HOPLIMIT for ipv6 in patch-o-matic [HW]
Harald Welte90ba5ec2001-05-03 21:10:24 +000035X static 1:1 NAT (only ip address NAT in both directions) (NETMAP target)
Harald Welte302ca3e2001-02-07 16:27:20 +000036- u32 classifier (port from tc -> iptables) [YU]
James Morris90eca6a2001-05-03 11:53:27 +000037X pktlen match (not needed, when u32 available) [FM]
Harald Welteaf4ec452001-01-24 01:15:16 +000038- MARK match / target with boolean OR / AND (to use nfmark bitwise)
Harald Welteaf4ec452001-01-24 01:15:16 +000039- documentation for libiptc
Harald Welte518abc12001-02-18 16:12:45 +000040- port conntrack to IPv6 (code reuse?) [BB]
41X port matches (owner, limit, multiport, owner) to IPv6 [RJ]
Harald Welteaf4ec452001-01-24 01:15:16 +000042- make patch-o-matic more generic (any subdir), and reversible
43- CONFIG_NF_IP_NAT_LOCAL
Harald Weltec67e5f82001-01-24 12:33:49 +000044- fix and test the netfilter bridging stuff
Harald Welte3666e0e2001-04-12 22:24:29 +000045X integrate the ipt_NETLINK target from gianni@ecsc.co.uk [HW]
Harald Welte302ca3e2001-02-07 16:27:20 +000046X integrate PSD target / port it as match [HW]
Harald Weltedd369152001-02-02 10:53:46 +000047- various NAT performance optimizations possible! (which? ask HW)
James Morris90eca6a2001-05-03 11:53:27 +000048- ip_nat_ident module [FM]
Harald Weltede6aaeb2001-03-26 18:06:04 +000049- provide daily CVS snapshots via ftp [HW]
Harald Welte2ca59042001-02-28 11:15:01 +000050- 10.1.2.3.4 is accepted as a valid IP address by iptables -s / -d ?
Harald Welte90ba5ec2001-05-03 21:10:24 +000051- make iptables / ip6tables use the same codebase (as libiptc) [KA]
James Morris266ffcc2001-05-09 15:45:24 +000052- string_to_number() does not work correctly for unsigned ints [JM]
Harald Weltefc32daf2001-05-26 20:31:59 +000053- REJECT optionally generates port unreachable with faked SOURCE
James Morris1cb4c052001-05-25 12:24:20 +000054- libipq reentrancy [JM]
55- libipq asynchronousness [JM]
Harald Welteaf4ec452001-01-24 01:15:16 +000056
Harald Welte3666e0e2001-04-12 22:24:29 +000057FUTURE extensions:
Harald Welteb961e6b2001-05-05 00:01:55 +000058- dealing with fragmented expectation-causes (i.e. DCC chat split
59 over two packets, etc.)
Harald Welte3666e0e2001-04-12 22:24:29 +000060- conntrack / nat failover [HW]
61- brainstorming about 2.5 conntrack code
62- netlink interface for conntrack manipulation from userspace [HW]
63- unified nfnetlink for queue,ulog,conntrack (and more?) (2.5 issue)
64
Harald Welteaf4ec452001-01-24 01:15:16 +000065======================================================================
Rusty Russellbdbcc1c2001-04-23 15:25:52 +000066[RR] Paul 'Rusty' Russel <rusty@rustcorp.com.au>
Harald Welteaf4ec452001-01-24 01:15:16 +000067[MB] Marc Boucher <marc@mbsi.ca>
68[JM] James Morris <jmorris@intercode.com.au>
69[HW] Harald Welte <laforge@gnumonks.org>
Harald Welte302ca3e2001-02-07 16:27:20 +000070[YU] Yon Uriarte <ukl2@rz.uni-karlsruhe.de>
Harald Welte518abc12001-02-18 16:12:45 +000071[RJ] Jan Rekorajski <baggins@mimuw.edu.pl>
72[BB] Bastian Blank <bastianb@gmx.de>
James Morris90eca6a2001-05-03 11:53:27 +000073[FM] Fabrice Marie <fabrice@celestix.com>
Harald Welte90ba5ec2001-05-03 21:10:24 +000074[KA] Kiz-Szabo Andras <kisza@sch.bme.hu>