i am using xnmap to check for open ports that i am not using. i have dns,nis,smtp,imap and pop running.... how do i turn off the unused ports without knowing what service to deactivate? Starting nmap V. 3.00 ( www.insecure.org/nmap/ ) Interesting ports on xxx.xxx.xxx): (The 1589 ports scanned but not shown below are in state: closed) Port State Service 25/tcp open smtp 53/tcp open domain 80/tcp open http 110/tcp open pop-3 111/tcp open sunrpc (what is this?) 139/tcp open netbios-ssn (do i need this?) 143/tcp open imap2 443/tcp open https 663/tcp open unknown (need to know what these 3 unknown ports are...) 865/tcp open unknown 886/tcp open unknown 6000/tcp open X11 (temporary..will disable this) Nmap run completed -- 1 IP address (1 host up) scanned in 2 seconds Regards, Daniel Tan 67469188 Ext.665 DID: 68430665 MIS Department Shop N Save Pte Ltd : danieltan@xxxxxxxxxxxxxxxx [This e-mail is confidential and may also be privileged. If you are not the intended recipient, please delete it and notify us immediately; you should not copy or use it for any purpose, nor disclose its contents to any other person. Thank you.] -- Psyche-list mailing list Psyche-list@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/psyche-list