I was wonder if someone could help to explain this two logs and why the portions I've pasted into this message are being blocked. I'm trying to see if a suggestion given to allow UDP 500 and UDP 10000 outbound will allow me to connect to a clients IPSEC VPN server from a machine behind an ISA server. Thanks, Greg Foulks, MCP NewFound Technologies, Inc. http://www.nfti.com Email: greg.foulks@xxxxxxxx Voice: 614.318.5036 Fax: 614.318.5005 This is in my IP Log 2002-03-21 14:28:35 12.32.70.210 205.173.93.142 Udp 1025 137 BLOCKED 12.32.70.210 2002-03-21 14:28:35 12.32.70.210 205.173.93.142 Udp 137 137 BLOCKED 12.32.70.210 2002-03-21 14:28:35 12.32.70.210 205.173.93.142 Udp 1026 137 BLOCKED 12.32.70.210 2002-03-21 14:28:36 12.32.70.210 205.173.93.142 Udp 1025 137 BLOCKED 12.32.70.210 2002-03-21 14:28:36 12.32.70.210 205.173.93.142 Udp 137 137 BLOCKED 12.32.70.210 2002-03-21 14:28:36 12.32.70.210 205.173.93.142 Udp 1026 137 BLOCKED 12.32.70.210 This is my Firewall Log 10.0.0.55 - - 2002-03-21 14:28:37 GATEKEEPER - 205.173.93.142 500 4516 - - 500 UDP UdpMap 0 95 600 10.0.0.55 - - 2002-03-21 14:29:59 GATEKEEPER - 205.173.93.142 500 85547 1216 - 500 UDP UdpMap 20000 95 600 10.0.0.55 - - 2002-03-21 14:29:59 GATEKEEPER - 205.173.95.169 500 131062 1216 - 500 UDP UdpMap 20000 95 600 10.0.0.55 - - 2002-03-21 14:29:59 GATEKEEPER - - - 131062 2432 - 0 UDP Bind 20001 95 600