"-m state" may help you. 2005/12/24, samba <samba@xxxxxxxxxxxxxxxxxxxx>:> Hi,> Can someone please tell me how i can implement port trigerring using> iptables.>> Port Triggering :>> Port triggering allows opening of inbound port(s) for some interval of time based on some outbound traffic that> originated from internal LAN. This rule gets triggered when the router sees traffic from the internal LAN to the internet.>> The outbound ports that triggers the rule and the inbound ports that needs to be opened by the firewall are configured by> the user.>> Is such a feature supported by iptables and the netfilter framework ?>> Thanks in advance for the reply.> samba>>>>>>>