Commonly Used Ports
Written by The Geekette on August 26, 2005 – 1:47 pmPosted in Networking |
21 FTP – usually in DMZ
22 SSH
23 Telnet
25 SMTP
49 TACACS
53 DNS
67 & 68 DHCP
80 HTTP
110 POP3
143 IMAP4
161 SNMP
389 & 636 LDAP
993 IMAPS
995 POP3S
443 HTTPS / SSL
UDP 1701 L2TP
TCP 1723 PPTP
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August 30th, 2005 at 8:29 am
993 IMAPS
995 POP3S
These are becoming more popular as security is becoming a concern.
August 30th, 2005 at 8:34 am
Thanks! Good point, I have added them.