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Arpwatch vs Denyhosts

A side-by-side look at Arpwatch and Denyhosts. For an in-depth review of either product, follow the links below.

Arpwatch

Arpwatch

Network & Admin

Arpwatch is an open source software used for monitoring Address Resolution Protocol (ARP) traffic on a computer network. It keeps track of Ethernet/IP address pairings and reports changes, which can help detect certain types of attacks.

arpmonitoringnetworksecurity
Denyhosts

Denyhosts

Security & Privacy

DenyHosts is an open-source program designed to help system administrators thwart SSH server attacks by blocking IP addresses using failed authentication attempts to detect attackers. It adds IP addresses to the system's /etc/hosts.deny file when it identifies too many failed SSH attempts.

sshsecurityauthenticationip-blocking