1CONFIG_IP_NF_MATCH_TOS 2psd match support 3CONFIG_IP_NF_MATCH_PSD 4 This option adds a `psd' match, which allows you to create rules in 5 any iptables table wich will detect TCP and UDP port scans. 6 7 If you want to compile it as a module, say M here and read 8 Documentation/modules.txt. If unsure, say `N'. 9 10