On 8/1/05, Kennedy Clark <hkclark at gmail.com> wrote: > Does anyone know of a way to track TCP/IP traffic by TCP/UDP port > and/or by process/daemon with CentOS? I know a variety of ways to > track it in total (e.g., ifInOctets & ifOutOctets with SNMP), but I'm > not sure how to be approach seeing traffic by application, port, or > process. > How about http://www.ethereal.com/ ? I believe that "out of the box" it just monitors everything, but you can create filters so it only looks for certain activities. Also, it can be a hog. tcpdump is another similar tool. Greg