20 & 21 are FTP 23 is Telnet 123 is NTP (typical) 995 is (??) Secure POP3 (I think) as for 953, 993, and 43, I don't know what services those would be, but I'm sure someone else could fill in the blanks. -P. Ring
________________________________ From: sysad...@tricubemedia.com [mailto:sysad...@tricubemedia.com] Sent: Tuesday, May 31, 2011 11:22 AM To: qmailtoaster-list@qmailtoaster.com Subject: [qmailtoaster] firewall rules Hi Guys, trying to tighten up the qmail server more: Can I close any of these ports: not sure waht they may be needed for: tcp dpt:20 tcp dpt:21 tcp dpt:23 tcp dpt:43 udp dpt:123 tcp dpt:953 udp dpt:953 tcp dpt:993 tcp dpt:995 Thanks all madmac
