arp

The article describes the use of `ebtables` to filter ARP traffic, focusing on its implementation in a Bash script for network security enhancement. It explains common `ebtables` commands for managing ARP packets and provides a detailed Bash script example to log ARP requests and replies. This helps in monitoring ARP traffic and preventing issues like ARP spoofing.

The article provides a comprehensive guide on `arping`, a network diagnostic tool that uses ARP instead of ICMP, useful for troubleshooting especially where ICMP packets are blocked. It details its benefits like detecting duplicate IP addresses, and offers installation and usage instructions for various Linux distributions. A must-read for network administrators seeking to enhance network troubleshooting capabilities.