use nmap. as root do: nmap -sS localhost You'd see what's using what. On Wed, 2005-07-13 at 12:28 -0500, Mike Klinke wrote: > On Wednesday 13 July 2005 10:32, Tim Holmes wrote: > > I do not have telnet installed, so the trick of > > > > telnet srvfs-01:3306 will not work > > > > I need to find out whats going on and blocking this port, as > > well, in a broader sense, I need to begin to develop some network > > troubleshooting tools for Linux > > In addition to Sjoerd's advice, consider installing a telnet client > as it's one of the handier utilities to have around to help > troubleshoot your network. > > Regards, Mike Klinke >