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
