[iptraf][1] is an ncurses-based IP LAN monitor that generates various network statistics including TCP info, UDP counts, ICMP and OSPF information, Ethernet load info, node stats, IP checksum errors, and others.
Its ncurses-based user interface also saves users from remembering command line switches.
### Features ###
- An IP traffic monitor that shows information on the IP traffic passing over your network. Includes TCP flag information, packet and byte counts, ICMP details, OSPF packet types.
- General and detailed interface statistics showing IP, TCP, UDP, ICMP, non-IP and other IP packet counts, IP checksum errors, interface activity, packet size counts.
- A TCP and UDP service monitor showing counts of incoming and outgoing packets for common TCP and UDP application ports
- A LAN statistics module that discovers active hosts and shows statistics showing the data activity on them
- TCP, UDP, and other protocol display filters, allowing you to view only traffic you’re interested in.
- Utilizes the built-in raw socket interface of the Linux kernel, allowing it to be used over a wide range of supported network cards.
- Full-screen, menu-driven operation.
To install
### Ubuntu and it’s derivatives ###
sudo apt-get install iptraf
### Arch Linux and Its derivatives ###
sudo pacman -S iptra
### Fedora and its derivatives ###
sudo yum install iptraf
### Usage ###
If the **iptraf** command is issued without any command-line options, the program comes up in interactive mode, with the various facilities accessed through the main menu.