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