Description: IPtraf-ng is an open-source command-line network monitoring utility for Linux. It gathers various types of information about network traffic including IP traffic, ICMP and TCP connections, and OSPF information.
Type: software
Pricing: Open Source
Description: Netcat is a networking utility for reading from and writing to network connections using TCP or UDP. It can be used to create simple one-shot connections, interface with more full-featured network services, and build quick backdoors and relays.
Type: software
Pricing: Free