-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello, having updated my kernel from 2.6.19.2 to 2.6.22.1 both taken as vanilla source from kernel.org, I now receive errors when trying to insert rules using the state or conntrack modules. I expect other extensions to fail as well. The produced error messages suggest some incompatibility between the kernel and the userspace iptables: # iptables -v -A FORWARD -j ACCEPT -m state --state RELATED,ESTABLISHED ACCEPT all opt -- in * out * 0.0.0.0/0 -> 0.0.0.0/0 state RELATED,ESTABLISHED iptables: Invalid argument # iptables -v -A FORWARD -j ACCEPT -m conntrack --ctstate RELATED,ESTABLISHED ACCEPT all opt -- in * out * 0.0.0.0/0 -> 0.0.0.0/0 ctstate RELATED,ESTABLISHED iptables: Invalid argument This problem occurs with both the iptables v1.3.6 coming with Debian and a self-compiled iptables v1.3.8 from the netfilter.org download page. Is any such issue known? May there be any non-automatic dependencies in the kernel configuration going beyond: CONFIG_NETFILTER_NETLINK=y CONFIG_NF_CONNTRACK_ENABLED=y CONFIG_NF_CONNTRACK=y CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y CONFIG_NETFILTER_XT_MATCH_STATE=y Thanks, Thomas -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFGpvz/0Kh0pbgr4w8RAnf+AJwJBl7c1IggMMi0SotiqOpJg5c62QCfThRM M6sXBxEVroOKyQPUAvxx1VM= =0lyq -----END PGP SIGNATURE-----