Try to use 'stealth' module from GRsecurity patchset. It will detect stealth scans, but you need patched kernel and iptables. debian wrote:
Hello,i search a solution to detect scan port, i find psd patch, but now with the last version of iptables, psd patch is not supported. An over solution is possible?Thanks you.
-- Best regards, Dmitry Zamaruev, Team leader, System integration dept., NIX Solutions Ltd.
