Hi, Is this the way it should be in iptables? #Open SNMP Ports $IPTABLES -A INPUT -p udp -m udp --dport 161 -j ACCEPT Have tried it, not working Thanks. Gy -----Original Message----- From: Daniel F. Chief Security Engineer - [mailto:danielf@xxxxxxxxxxxxxxx] Sent: Wednesday, January 07, 2004 4:45 PM To: Gilles Yue; netfilter@xxxxxxxxxxxxxxxxxxx Subject: Re: MRTG and IPTABLES SNMP UDP Ports 161 and 162 MRTG typically only uses 161. Thanks On Wednesday 07 January 2004 00:54, Gilles Yue wrote: > MRTG cannot work properly due to iptables running. > > > > Anybody knows which port number to open to enable MRTG to work properly. > > > > Thanks. > > > > Rgds > > gy -- Daniel Fairchild - Chief Security Officer | danielf@xxxxxxxxxxxxxxx The distance between nothing and infinity is always the same no matter how close you get to nothing.