I have a machine behind my ISA server that is published as my web server. This same server sends out SNMP requests to populate my graphs with data (MRTG with RRDTool). However, I am not getting any data from my targets. Evidently I do not have the SNMP ports properly forwarding. Does any one have a rule similar to this? Thanks. Daniel Curry Systems Administrator CGtime, Inc. 625 Second Street Suite 201 San Francisco, CA 94107 ph: 415-348-6516 fx: 415-348-6505 cell: 510-304-7889