Wireshark
Wireshark is a free, open-source packet analyzer. It’s used for network troubleshooting, analysis, software and communications protocol development, and education.
Instructions
Click ‘Download Software’ to take you to Wireshark’s site, pick your OS and follow instructions
Requirements
Alpine Linux, Canonical, Ubuntu, Debian GNU/Linux, FreeBSD, Gentoo Linux, HP-UX, Mandriva Linux, NetBSD, OpenPKG, Oracle Solaris, Red Hat Enterprise Linux / CentOS / Fedora
On campus version
n/a