Wireshark

Wireshark is a free & open-source network protocol analyzer, which is used for network troubleshooting, analysis, software and communications protocol development, and education. 

Product Description:

Wireshark captures packets from a network connection, such as from your computer to your home office or the internet. Wireshark is used as the main support tool to help detect, or to a greater extent, analyze the problems generated by real or local network attacks.

Specialties:

Network Security, DevSecOps, Web Application Security, Penetration Testing, Cybersecurity.