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Ports
Ports
19
Computer Networking
Undergraduate 2
03/02/2012
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Term
HTTP
 Definition
Port 80
Term
HTTPS
 Definition
Port 443
Term
SMTP
 Definition
Port 25 and port 587
Term
Telnet/SSH
 Definition
Ports 23/22
Term
FTP
 Definition
Sessions are sent to destination port 21. Once the session is opened the server will change to port 20 to transfer the data files.
Term
DHCP v4 Client
 Definition
Port 67
Term
What is a port?
 Definition
A numeric identifier within each segment that is used to keep track of specific conversations and destination services.
Term
DNS
 Definition
Port 53
Term
POP3
 Definition
Port 110
Term
IMAP4
 Definition
Port 143
Term
DHCP v4 Server
 Definition
Port 68
Term
TFTP
 Definition
Port 69
Term
NBNS
 Definition
Port 137
Term
SNMP
 Definition
Port 161
Term
What are the 3 catagories of ports?
 Definition
Well-known Ports, Registered Ports, Private Ports
Term
What is the range of port numbers?
 Definition
1 to 65,535
Term
What are the Well-Known Port ranges?
 Definition
1 to 1023
Term
What are the Registered Port ranges?
 Definition
1024 to 49151
Term
What are the Private Port Ranges?
 Definition
49152 to 65,535
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