TCP -Transmission Control Protocol
UDP -User Datagram Protocol
IP -Internet Protocol
SSH -Secure Shell
FTP -File Transfer Protocol
SMTP -Simple Mail Transfer Protocol
DNS -Domain Name System
ICMP -Internet Control Message Protocol
ARP -Address Resolution Protocol
HTTP -Hypertext Transfer Protocol
HTTPS -HTTP Secure
POP3 -Post Office Protocol version 3
IMAP -Internet Message Access Protocol
LDAP -Lightweight Directory Access Protocol
RDP -Remote Desktop Protocol
Telnet - Terminal emulation protocol
SFTP- Secure File Transfer Protocol
SNMP- Simple Network Management Protocol
NTP- Network Time Protocol
VNC Virtual Network Computing
RPC- Remote Procedure Call protocol
SLIP -Serial Line IP