arptables: arptables (administration tool for arp packet filtering) arptables: arptables: Arptables is used to set up, maintain, and inspect the tables of ARP arptables: packet filter rules in the Linux kernel. Several different tables may arptables: be defined. Each table contains a number of built-in chains and may arptables: also contain user-defined chains. arptables: Each chain is a list of rules which can match a set of packets. arptables: Each rule specifies what to do with a packet that matches. This is arptables: called a 'target', which may be a jump to a user-defined chain in arptables: the same table. arptables: