Most common port numbers used on nix server applications

ZACH | May 18, 2011 | 0 Comments

Most common port numbers used for different applications on nix servers.

20 ftp tcp inbound/outbound

21 ftp tcp,udp inbound/outbound

22 ssh tcp inbound

25 smtp tcp inbound/outbound

26 smtp tcp inbound/outbound

37 rdate tcp outbound

43 whois tcp outbound

53 DNS tcp/udp inbound/outbound
(inbound is only needed if you run your own public DNS server)

80 http tcp inbound/outbound

110 pop3 tcp inbound

113 ident tcp outbound

143 imap4 tcp inbound

443 https tcp inbound

465 smtp tls/ssl tcp/udp inbound/outbound

873 rsync tcp/udp outbound

993 imap4 ssl tcp inbound

995 pop3 ssl tcp inbound

2077 webdav tcp/udp inbound/outbound

2078 webdav ssl tcp/udp inbound/outbound

2082 cpanel tcp inbound

2083 cpanel ssl tcp inbound

2086 whm tcp inbound

2087 whm ssl tcp inbound

2089 cp licence tcp outbound

2095 Webmail tcp inbound

2096 Webmail SSL tcp inbound

3306 mysql tcp (only if you need to connect remotely)

6666 chat tcp inbound

Tags: common port numbers, commonly used port numbers, port numbers

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