Port Names Flashcards
Port 21
FTP / File Transfer Protocol
Port 22
SSH / secure shell. Used to exchange encrypted passwords and usernames
Port 23
Telnet / Used to exchange unencrypted passwords and usernames.
Port 25
SMTP / Simple Mail Transfer Protocol
For sending E-Mails.
Port 53
DNS / Domain Name System
Port 80
HTTP / HyperText Transfer Protocol
Port 110
POP3 / Post Office Protocol
For receiving E-mail.
Port 143
IMAP / Internet Message Access Protocol
For receiving E-mail.
Port 443
HTTPS / Hypertext Transfer Protocol Secure
Port 3389
RDP / Remote Desktop Protocol
Port 137-139
NetBIOS/NetBT / Network Basic In Out System/NetBios over TCP
Port 445
SMB/CIFS / Server Message Block/Common Internet File System
Microsoft file sharing
Port 427
SLP / Service Location Protocol
Port 548
AFP / Apple File Protocol(replaced by TCIP)
FTP / File Transfer Protocol
21