IPTraf is a network monitoring program in real-time.
This program allows you to analyze the network traffic of your server or of your local network using the promiscuous mode.
This program also allows you to apply filters to analyze the network traffic based on :
- the protocol used : TCP, UDP, ICMP, ...
- the source or destination port number : 80 (HTTP), 443 (HTTPS), 21 (FTP), 22 (SSH), ...
- the source or destination IP address.
Note : these filters can be used to include or exclude the network traffic of the monitoring program.