Will VisualRoute work through my company firewall / NAT server?
This depends upon how your firewall / NAT server is configured. Please ask your network administrator if your firewall (or NAT server) is configured to allow PING and TRACERT to work (which use ICMP ECHO, ECHO REPLY, and TTL EXPIRED packets). You can test this yourself by running these programs on your computer (For example, try “tracert www.visualware.com”). If these programs work, VisualRoute should work just fine on your computer. otherwise, your firewall (or NAT server) will have to be reconfigured by your network administrator to allow PING and TRACERT to work before you can use VisualRoute. Once you can successfully run a traceroute, if you are not seeing the Whois contact information when clicking on an entry in the ‘Node Name’ or ‘Network’ column of the VisualRoute report table, your firewall administrator may also need to open port 43 to enable access to WHOIS information. Additionally, VisualRoute Server may be installed outside a firewall, enabling users inside firewall acce
