TCP ANS: Transmission Control Protocol
UDP ANS: User Datagram Protocol
Port 21 ANS: FTP
FTP ANS: File Transfer Protocol
Port 22 ANS: SSH
SSH ANS: Secure Shell
Port 23 ANS: Telnet
Port 25 ANS: SMTP
SMTP ANS: Simple Mail Transfer Protocol
Port 49 ANS: TACACS
TACACS ANS: Terminal Access Controller Access Control System
Port 53 ANS: DNS
,DNS ANS: Domain Name System
Port 67 (UDP) ANS: DHCP (Server)
Port 68 (UDP) ANS: DHCP (Client)
DHCP ANS: Dynamic Host Configuration Protocol
Port 69 (UDP) ANS: TFTP
TFTP ANS: Trivial File Transfer Protocol
Port 80 ANS: HTTP
HTTP ANS: Hypertext Transfer Protocol
Port 88 ANS: Kerberos
Kerberos ANS: A computer network authentication protocol that works on the basis of tickets to allow
nodes communicating over a non-secure network to prove their identity to one another in a secure
manner
Port 110 ANS: POP3
POP3 ANS: Post Office Protocol version 3
,Port 111 ANS: RPC
RPC ANS: Remote Procedure Call
Port 123 ANS: NTP
NTP ANS: Network Time Protocol
Port 135 ANS: Windows RPC (EPM)
Port 593 ANS: RPC over HTTPS
Port 445 ANS: SMB
SMB ANS: Server Message Block
Port 137 (UDP) ANS: NetBIOS (name services)
Port 138 (UDP) ANS: NetBIOS (datagram services)
Port 139 ANS: NetBIOS (session services)
NetBIOS ANS: Network Basic Input/Output System
Port 143 ANS: IMAP
, IMAP ANS: Internet Message Access Protocol
Port 161 (UDP) ANS: SNMP
SNMP ANS: Simple Network Management Protocol
Port 179 ANS: BGP
BGP ANS: Border Gateway Protocol
Border Gateway Protocol (BGP) ANS: A standardized exterior gateway protocol designed to exchange
routing and reach-ability information among autonomous systems on the Internet. The protocol is
classified as a path vector protocol.
Port 201 ANS: AppleTalk
Port 389 ANS: LDAP
LDAP ANS: Lightweight Directory Access Protocol
Port 443 ANS: HTTPS
Port 500 (UDP) ANS: Internet Key Exchange (IKE) (used with IPSec)
ISAKMP