Ports And Protocols Flashcards
Ports and Protocols
Echo - Sends messages within a network
Port 7
FTP - File Transfer Protocol
Ports 20 and 21
SCP - Secure Copy
Port 22
SFTP - Secure File Transfer Protocol
Port 22
SSH - Secure version of telnet
Port 22
telnet - Used to login in remotely to a device(text Only)
Port 23
SMTP - Used to send mail
Port 25
whois - provides domain lookup information
Port 43
TACACS - Provides username/password service to WAPs
Port 49
DNS - maps FQDNs to IP Addresses
Port 53
TFTP - Trivial File Transfer Protocol (not secure)
Port 69
bootp - Provides Network Boot capability
Port 67
DHCP - Provides Dynamic IP, subnet, gateway and DNS
Ports 67 and 68
http - Used to connect to web servers
Port 80
kerberos - Kerberos Authentication System
Port 88
MS Exchange - Microsoft Exchange Server Email
Port 102
POP3 - Receives mail from mail server
Port 110
NNTP - Network News Protocol
Port 119
NNP - Network Time Protocol (Syncs computers to same time.
Port 123
NetBIOS - Basic networking support within a subnet
Ports 137, 138, 139
IMAP - Receives mail from mail server(more secure than POP3)
Port 143
SNMP - Simple Network Management Protocol
Port 161
irc - Internet Relay Chat(Messaging over the internet)
Port 194
LDAP - provides directory authentication services
Port 389
SLP - Services location protocol
Port 427
https - Secure version of http
Port 443
SSL VPN - Secure Sockets Layer VPN
Port 443
smb/cfs - Network File Sharing Protocol
Port 445
AFP - Apple File Protocol
Ports 447 and 548
SMTP with SSL - Secure mail sending
Port 465
IPSec - Internet Protocol Security
Ports 500
DHCPv6 Client - IPv6 DHCP services
Port 546
DHCPv6 Server - IPv6 DHCP services
Port 547
SMTP with TLS - Secure mail sending
Port 587
IMAP4(Secure) - Receives mail from mail server (more secure than pop3)
Port 993
POP3 (Secure) Receives mail from mail server
Port 995
L2TP - Tunneling protocol for VPNs
Port 1701
H.323 - Audio/Video communications over the internet
Port 1720
PPTP - Point to Point tunneling protocol
Port 1723
RADIUS - Provides username/password service to WAPs
Ports 1812 and 1813
RDP - Remote Desktop Protocol, used by Windows
Port 3389
SIP - Session Initiation Protocol (Sets up A/V Communications)
Port 5060
