Magic summary: First ping yourself, then ping the gateway, and finally ping the external network. Use tracert to find where ...

how do I tell the traceroute command to NOT use a UDP port? <BR><BR>My router blocks my traceroute requests on my UNIX and OS X box but not my Windows box. I narrowed it down to being a UDP port ...

Problem Description ===== There is a bug in the traceroute command that can possibly be used by local users to obtain super user privilege. There are no exploits available so far, but it is advisable ...

Traceroute is still a great tool, but mtr ("my traceroute") provides even more insights when you're looking into network routing problems. The mtr tool—“my traceroute”, originally “Matt’s traceroute” ...