Ports & Protocols Flashcards
Common Network Protocols:
ARP
Resolve IP address to MAC address
Common Network Management Protocols:
DHCP
udp/67, udp/68
Assigns IP addresses to network devices from a configuration server
Common Network Management Protocols:
DNS
udp/53, tcp/53
Convert domain names to IP addresses
Common Application Protocols:
FTP
tcp/20, tcp/21
Sends and receives files between systems
Voice over IP Protocols:
H.323
tcp/1720 - ITU Telecommunication H.32x protocol series - Voice over IP signaling
Common Application Protocols:
HTTP
tcp/80
Web server communication
Common Application Protocols:
HTTPS
tcp/443
Web server communication with encryption
Common Network Management Protocols:
ICMP
Send management messages between devices
Common Application Protocols:
IMAP4
tcp/143
A newer mail client protocol
Voice over IP Protocols:
MGCP
udp/2427 - Gateway - Call Agent to Gateway
udp/2727 - Call Agent - Gateway to Call Agent
Common Application Protocols:
NetBIOS
udp/137 - NetBIOS name service - Register, remove, and find services by name
udp/138 - NetBIOS datagram service - Connectionless data transfer
tcp/139 - NetBIOS session service - Connection-oriented data tranfer
Common Application Protocols:
POP3
tcp/110
Receive mail into a mail client
Common Network Management Protocols:
RDP
tcp/3389
Graphical display of remote device
Voice over IP Protocols:
RTP
dynamic
Voice over IP media stream
Voice over IP Protocols:
SIP
tcp/5061, tcp/5061
Voice over IP signaling protocol