Hello.
I discovered something wrong in comments generated by the rules file :
I had an issue with a software triggering INVALID packets (gnome-shell
weather extension), didn't manage to figure out why, so I just
configured Shorewall to DROP them all by adding lines in the INVALID
section of the rules file and it worked as expected :
?COMMENT Drop invalid packets generated by weather applet
Invalid(DROP) $FW net:98.137.200.255 tcp
Invalid(DROP) net:98.137.200.255 $FW tcp
?COMMENT
But the comment is binded to the rule matching all INVALID packets :
$ sudo shorewall show | grep applet
51 2652 _fw-net all -- * * 0.0.0.0/0 0.0.0.0/0
ctstate INVALID /* Drop invalid packets generated by weather applet */
0 0 _net-fw all -- * * 0.0.0.0/0 0.0.0.0/0
ctstate INVALID /* Drop invalid packets generated by weather applet */
and there isn't any comment next to the IP 98.137.200.255 :
$ sudo shorewall show | grep 98.137.200.255
51 2652 DROP tcp -- * * 0.0.0.0/0
98.137.200.255
0 0 DROP tcp -- * * 98.137.200.255
0.0.0.0/0
When adding a second rule below in the INVALID section embedded by a new
comment, I can notice this second comment is not present.
I think the comment should be binded to the effective DROP rule.
I also played a bit with accounting, unfortunately it is not possible to
specify zones. Is it a technical limitation from iptables ?
Hervé
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