Abacus Port Sentry
- Monitors unused ports for port scanning
- Can reconfigure local firewalls and routing tables
- Blocks an attacking address based on port scans
- Supports Linux and Solaris
- Supports detecting stealth scanning on Linux
- UDP scans and Stealth scans can be spoofed to created denial of service attacks!
- Combined with the Linux firewall port forwarding code, can shield an entire network.
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