config helper option name 'amanda' option description 'Amanda backup and archiving proto' option module 'nf_conntrack_amanda' option family 'any' option proto 'udp' option port '10080' config helper option name 'ftp' option description 'FTP passive connection tracking' option module 'nf_conntrack_ftp' option family 'any' option proto 'tcp' option port '21' config helper option name 'RAS' option description 'RAS proto tracking' option module 'nf_conntrack_h323' option family 'any' option proto 'udp' option port '1719' config helper option name 'Q.931' option description 'Q.931 proto tracking' option module 'nf_conntrack_h323' option family 'any' option proto 'tcp' option port '1720' config helper option name 'irc' option description 'IRC DCC connection tracking' option module 'nf_conntrack_irc' option family 'ipv4' option proto 'tcp' option port '6667' config helper option name 'netbios-ns' option description 'NetBIOS name service broadcast tracking' option module 'nf_conntrack_netbios_ns' option family 'ipv4' option proto 'udp' option port '137' config helper option name 'pptp' option description 'PPTP VPN connection tracking' option module 'nf_conntrack_pptp' option family 'ipv4' option proto 'tcp' option port '1723' config helper option name 'sane' option description 'SANE scanner connection tracking' option module 'nf_conntrack_sane' option family 'any' option proto 'tcp' option port '6566' config helper option name 'sip' option description 'SIP VoIP connection tracking' option module 'nf_conntrack_sip' option family 'any' option proto 'tcpudp' option port '5060' config helper option name 'snmp' option description 'SNMP monitoring connection tracking' option module 'nf_conntrack_snmp' option family 'ipv4' option proto 'udp' option port '161' config helper option name 'tftp' option description 'TFTP connection tracking' option module 'nf_conntrack_tftp' option family 'any' option proto 'udp' option port '69' config helper option name 'rtsp' option description 'RTSP connection tracking' option module 'nf_conntrack_rtsp' option family 'ipv4' option proto 'tcp' option port '554'