Examples

Here are some example helpers:

ftp

<?xml version="1.0" encoding="utf-8"?> <helper module="nf_conntrack_ftp"> <port protocol="tcp" port="21"/> </helper> 

pptp

<?xml version="1.0" encoding="utf-8"?> <helper module="nf_conntrack_pptp" family="ipv4"> <port protocol="tcp" port="1723"/> </helper> 

Q.931

<?xml version="1.0" encoding="utf-8"?> <helper module="nf_conntrack_h323"> <port protocol="tcp" port="1720"/> </helper> 

sip

<?xml version="1.0" encoding="utf-8"?> <helper module="nf_conntrack_sip"> <port protocol="tcp" port="5060"/> <port protocol="udp" port="5060"/> </helper>