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Well-Known Ports

Well-known TCP/IP Services and Port Numbers

ServiceTCP/IP Port Number
DNS 53
DHCP 67
FTP (Data) 20
FTP (Control) 21
HTTP 80
IMAP (Internet Message Access Protocol) 143
LDAP (Lightweight Directory Access Protocol) 389
NNTP (Network News Transfer Protocol) 119
NTP (Network Time Protocol) 123
POP3 110
SMTP 25
SNMP (Simple Network Management Protocol) 161
SSH (Secure Shell) 22
Telnet 23
Created by: paulscherbel
Popular Computers sets

 

 



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