Commonly Used Ports
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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Aleeya dotNet Tags: ports common commonly used FTP SSH Telnet SMTP TACACS DNS DHCP HTTP POP3 IMAP4 SNMP LDAP HTTPS SSL UDP L2TP PPTP HTTPS Filed under: Networking (Technorati) .
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Bookmark: Del.icio.us | Furl It | Spurl | Tag!RawSugar | Simpy This! | Shadows Tag! | Blink It | My Web
Aleeya dotNet Tags: ports common commonly used FTP SSH Telnet SMTP TACACS DNS DHCP HTTP POP3 IMAP4 SNMP LDAP HTTPS SSL UDP L2TP PPTP HTTPS Filed under: Networking (Technorati) .
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This entry was posted on Friday, August 26th, 2005 at 1:47 pm
You can also choose to read PPP Info, which is the previous entry, or Networking Hardware, the next entry.
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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.