Hi, I currently have Installed Mandrake 9.0 and pureftp and apache up and running. Is it possible that customers can connect to my site while my ports are stealthed (as in not detectable by portscans?).
My internet connection dials out via a 4-ports-lanswitch and an ADSL router, and all traffic for port 80 and 21 are routed to the correct Ip adress on my LAN. Still I wonder how save this is. Even though I am reasonably secure (router blocks DOS attacks and has firewall as well), I want some extra security. Especially with the many known security issues for port 80 and 21. How can I tighten up security, or should I just choose another port number for the 2 services currenly open to the internet? Regards, Marc
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