<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <HTML> <HEAD> <META NAME="GENERATOR" CONTENT="LinuxDoc-Tools 0.9.73"> <TITLE>Linux 2.4 Packet Filtering HOWTO: Using ipchains and ipfwadm</TITLE> <LINK HREF="packet-filtering-HOWTO-9.html" REL=next> <LINK HREF="packet-filtering-HOWTO-7.html" REL=previous> <LINK HREF="packet-filtering-HOWTO.html#toc8" REL=contents> </HEAD> <BODY> <A HREF="packet-filtering-HOWTO-9.html">Next</A> <A HREF="packet-filtering-HOWTO-7.html">Previous</A> <A HREF="packet-filtering-HOWTO.html#toc8">Contents</A> <HR> <H2><A NAME="oldstyle"></A> <A NAME="s8">8.</A> <A HREF="packet-filtering-HOWTO.html#toc8">Using ipchains and ipfwadm</A></H2> <P> There are modules in the netfilter distribution called ipchains.o and ipfwadm.o. Insert one of these in your kernel (NOTE: they are incompatible with ip_tables.o!). Then you can use ipchains or ipfwadm just like the good old days.</P> <P> This will be supported for some time yet. I think a reasonable formula is 2 * [notice of replacement - initial stable release], beyond the date that a stable release of the replacement is available. This means that support will probably be dropped in Linux 2.6 or 2.8.</P> <HR> <A HREF="packet-filtering-HOWTO-9.html">Next</A> <A HREF="packet-filtering-HOWTO-7.html">Previous</A> <A HREF="packet-filtering-HOWTO.html#toc8">Contents</A> </BODY> </HTML>