Knowledgebase

Greenix360 Firewall  Print this Article

  • Straight-forward SPI iptables firewall script
  • Daemon process that checks for login authentication failures for:POP3/IMAP login tracking to enforce logins per hour
    • Courier imap, Dovecot, uw-imap, Kerio
    • openSSH
    • cPanel, WHM, Webmail (cPanel servers only)
    • Pure-ftpd, vsftpd, Proftpd
    • Password protected web pages (htpasswd)
    • Mod_security failures (v1 and v2)
    • Suhosin failures
    • Exim SMTP AUTH
    • Custom login failures with separate log file and regular expression matching
  • SSH login notification
  • SU login notification
  • Excessive connection blocking
  • Block traffic on unused server IP addresses - helps reduce the risk to your server
  • Alert when end-user scripts sending excessive emails per hour - for identifying spamming scripts
  • Suspicious process reporting - reports potential exploits running on the server
  • Excessive user processes reporting
  • Excessive user process usage reporting and optional termination
  • Suspicious file reporting - reports potential exploit files in /tmp and similar directories
  • Directory and file watching - reports if a watched directory or a file changes
  • Block traffic on the DShield Block List and the Spamhaus DROP List
  • BOGON packet protection
  • Server Security Check
  • mod_security log reporting
  • Email relay tracking - tracks all email sent through the server and issues alerts for excessive usage
  • IDS (Intrusion Detection System) - the last line of detection alerts you to changes to system and application binaries
  • SYN Flood protection
  • Ping of death protection
  • Port Scan tracking and blocking
  • Permanent and Temporary (with TTL) IP blocking
  • Exploit checks
  • Account modification tracking - sends alerts if an account entry is modified
  • Shared syslog aware
  • Port Flooding Detection - Per IP, per Port connection flooding detection and mitigation to help block DOS attacks
  • Distributed Login Failure Attack detection

Was this answer helpful?

Also Read

Greenix360 Exploit Scanning
The active scanning of uploaded files can help prevent exploitation of an account by malware by...
Greenix360 Mail Scanning Protection
Greenix360 includes extensive use of mailscanning and Exim.  Greenix Hosting clients enjoy...