tcpdump
Another popular diagnostic tool is tcpdump. This utility will print, or dump, the TCP packer headers matching the criteria it is given. It has several options you may find useful. Some of the more commonly used options are given here:
Another popular diagnostic tool is tcpdump. This utility will print, or dump, the TCP packer headers matching the criteria it is given. It has several options you may find useful. Some of the more commonly used options are given here: