|
21
|
FTP - File
Transfer
Protocol
|
|
22
|
SSH, SFTP -
Secure
SHell and SSH based FTP
|
|
23
|
Telnet -
non-secure
shell
|
|
25
|
SMTP (Simple Mail
Transfer Protocol) - sending and receiving email messages
|
|
53
|
DNS (Domain Name
System) - mapping from hostname to ip and vice versa
|
|
80
|
HTTP (HyperText
Transfer Protocol) - main protocol of world wide web
|
|
110
|
POP (Post Office
Protocol) - mail retrieval protocol
|
|
143
|
IMAP (Internet
Message Access Protocol) - mail retrieval protocol
|
|
443
|
HTTPS - secure
HTTP
|
|
3306
|
MySQL
database
|
|
3389
|
RDP - Remote
Desktop
|
