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Category: Glossary of website monitoring terminology

  [9] Glossary of website monitoring terminology 1 2  
# 18 FTP

File Transfer Protocol. A protocol for transferring text and binary files over the internet. You can use this service to monitor your FTP Server that is running on the default port 21 (if you need to monitor an FTP server that is running on a different port, you can use the TCP Port service).

Our monitoring station will attempt to connect to port 21 of the host (either IP or domain name) and wait for a response that starts with sub-string "220". The connection will timeout after 30 seconds. If response "220" is not received, the service will be considered to have "failed".

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# 37 Telnet

A protocol for remote computing on the Internet. It allows a computer to act as a remote terminal on another machine, anywhere on the Internet. This means that when you telnet to a particular host, the remote computer (which must have a telnet server) accepts input directly from your computer (which must have a telnet client) and output for your session is directed to your screen.

You can use this service to monitor your Telnet Server that is running on the default port 23 (if you need to monitor a Telnet server that is running on a different port, you can use the TCP Port service). Our monitoring station will attempt to connect to port 23 of the host (either IP or domain name) and wait for any response. The connection will timeout after 30 seconds. If no response is received, the service will be considered to have "failed".

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# 36 IMAP4

Internet Message Access Protocol. A protocol for accessing email from your local server. IMAP4 is a client/server protocol in which email is received and help for you by your Internet server. You can view just the heading and the sender of the mail and then decide whether to download the mail.

You can also create and manipulate folders or mailboxes on the server, delete messages, etc. You can use this service to monitor your IMAP4 Server that is running on the default port 143 (if you need to monitor an IMAP4 server that is running on a different port, you can use the TCP Port service). Our monitoring station will attempt to connect to port 143 of the host (either IP or domain name) and wait for any response. The connection will timeout after 30 seconds. If no response is received, the service will be considered to have "failed".

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# 35 SSH

Secure Shell. A packet-based binary protocol that provides encrypted connections to remote hosts or servers. You can use this service to monitor your SSH Server that is running on the default port 22 (if you need to monitor a Telnet server that is running on a different port, you can use the TCP Port service).

Our monitoring station will attempt to connect to port 22 of the host (either IP or domain name) and wait for any response. The connection will timeout after 30 seconds. If no response is received, the service will be considered to have "failed".

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# 38 POP3

Post Office Protocol 3. A protocol that provides a simple, standardized way for users to access mailboxes and download messages to their computers. You can use this service to monitor your POP3 Server that is running on the default port 110 (if you need to monitor a POP3 server that is running on a different port, you can use the TCP Port service).

Our monitoring station will attempt to connect to port 110 of the host (either IP or domain name) and wait for a response that starts with sub-string "+OK". The connection will timeout after 30 seconds. If response "+OK" is not received, the service will be considered to have "failed".

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# 19 SMTP

Simple Mail Transfer Protocol. A protocol for transferring outbound email messages from one server to another. You can use this service to monitor your SMTP Server that is running on the default port 25 (if you need to monitor an SMTP server that is running on a different port, you can use the TCP Port service).

Our monitoring station will attempt to connect to port 25 of the host (either IP or domain name) and wait for a response that starts with sub-string "220". The connection will timeout after 30 seconds. If response "220" is not received, the service will be considered to have "failed".

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