Ethereal
tcpdump
Wireshark
Ettercap
netcat
SmartSniff
socat
Packet Sender
SolarWinds Network Configuration Manager
Cisco DNA Center
F5 Advanced Firewall Manager
Palo Alto Networks Panorama
Junos Space Security Director
FireMon
Untangle NG Firewall
AWS Firewall Manager
Etherealtcpdump - tcpdump is a common packet analyzer that runs under the command line.
Cisco DNA Center - Find and resolve network issues with Cisco DNA Center. Provides software-based network automation and assurance. Control and manage intent-based networks.
Wireshark - Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.
F5 Advanced Firewall Manager - Stop even the most massive and complex DDoS attacks with BIG-IP Advanced Firewall Manager: advanced data center protection against layer 3–4 threats.
Ettercap - Ettercap is a suite for man in the middle attacks on LAN.
Palo Alto Networks Panorama - Greater visibility, tighter control, less effort. Panorama™ network security management simplifies management tasks while delivering comprehensive controls and deep visibility into network-wide traffic and security threats.