Term
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Definition
#20; TCP
- used for transmitting files between systems |
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Term
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Definition
#21; TCP
- used by FTP-connected systems for exchanging commands and responses |
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Term
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Definition
#22; TCP & UDP
- used to securely log on to a computer from another computer on the same network and execute commands |
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Term
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Definition
#23; TCP
- used to execute commands on network-connected systems |
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Term
| Smtp (Simple Mail Transport Protocol) |
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Definition
#25; TCP
- used to send e-mail messages |
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Term
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Definition
#53; TCP & UDP
- used to receive host name resolution requests from clients |
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Term
| Bootps (Bootstrap Protocol & DHCP servers) |
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Definition
#67; TCP & UDP
- used to receive TCP/IP configuration requests from clients |
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Term
| Bootpc (Bootstrap Protocol & DHCP clients) |
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Definition
#68; TCP and UDP
- used to send TCP/IP configuration requests to servers |
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Term
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Definition
#80; TCP
- used by web servers to receive requests from client browsers |
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Term
| pop3 (Post Office Protocol 3) |
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Definition
#110: TCP
used to retrieve e-mail requests from clients |
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Term
| nntp (Network News Transfer Protocol) |
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Definition
#119; TCP & UDP
- used to post and distribute messages to and retrieve them from, Usenet servers on the internet |
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Term
| ntp (Network time protocol) |
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Definition
#123; TCP & UDP
- used to exchange time signals for the purpose of synchronizing the clocks in the network computers |
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Term
| imap (Internet Message Access Protocol version 4) |
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Definition
#143; TCP & UDP
- used by e-mail client programs to retrieve messages from a mail server |
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Term
| snmp (Simple Network Management Protocol) |
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Definition
#161: TCP & UDP
- used by SNMP agents to transmit status information to a network management console |
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Term
| https (Hypertext Transfer Protocol over TLS/SSL) |
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Definition
#443; TCP & UDP
- used by the web servers to receive encrypted requests from client browsers |
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