Tags

links:
http://www.webopedia.com/quick_ref/portnumbers.asp

summary:
– 20 ftp data
– 21 ftp control
– 22 ssh
– 23 telnet
– 25 smtp
– 53 dns
– 67/68 dhcp v4
– 69 tftp
– 80 http
– 110 pop3
– 137 netbios
– 143 imap
– 161 snmp
– 389 ldap
– 443 https
– 546/547 dhcp v6

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