z nmap -sS -p0 xxx.xxx.xxx.xxx sem dobil sledeče: Port State Service 20/tcp closed ftp-data 21/tcp closed ftp 25/tcp open smtp 53/tcp closed domain 80/tcp open http 110/tcp open pop-3 143/tcp open imap2 443/tcp closed https Kaj točno pomeni da je port closed in kakšen smisel ima to? Npr. Apache je startan in im port closed! lp dalibor