Viagra.pl is a linux hardening script which implements the /proc suggestions in the article available at http://www.securityfocus.com/infocus/1711. Disables ICMP ping replies, broadcast replies, source routed packets, packet spoofing protection, ignores ICMP redirects, packet forwarding, changes ip fragmentation buffers, allowed local sockets, rate limit ICMP replies, reject new ARP entries, change arp timeouts, enables syncookies, and more.
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