Dynamically filter and rate-limit malicious traffic. Throttle HTTP requests, ban brute-force attempts, and permanent blacklists for persistent bots.
Rampart performance is the same with 1 blacklist or 10,000 blacklists. Rampart uses ipset, which performs in O(1) time.
Rampart listens for non-sensical protocol exchanges and blocks abusive clients.
Blocked addresses automatically expire after a set time. Repeat offenders are placed into a permanent blacklist.
rampart_unban to quickly manage firewalled
addresses using apnscp's API.
Rampart covers HTTP, IMAP, POP3, SMTP, FTP, CP, and SSH blacklisting.
Servers running Rampart operate faster with lower load averages.