1This module matches packets related to a specific conntrack-helper.
2.TP
3[\fB!\fP] \fB\-\-helper\fP \fIstring\fP
4Matches packets related to the specified conntrack-helper.
5.RS
6.PP
7string can be "ftp" for packets related to a ftp-session on default port.
8For other ports append \-portnr to the value, ie. "ftp\-2121".
9.PP
10Same rules apply for other conntrack-helpers.
11.RE
12