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Denyhosts vs SSHGuard

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

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
SSHGuard

SSHGuard

Security & Privacy

SSHGuard is an intrusion prevention software for Linux and BSD systems. It works by detecting automated brute force attacks against SSH servers and blocks attackers' IP addresses with advanced firewall rules. It is lightweight, easy to configure, and helps harden SSH servers against attacks.

sshlinuxbsdfirewall

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