Daytime Protocol
| Internet protocol suite |
|---|
| Application layer |
| Transport layer |
| Internet layer |
| Link layer |
The Daytime Protocol is a service in the Internet Protocol Suite, defined in 1983 in RFC 867 by Jon Postel. It is intended for testing and measurement purposes in computer networks.
A host may connect to a server that supports the Daytime Protocol on either Transmission Control Protocol (TCP) or User Datagram Protocol (UDP) port 13. The server returns an ASCII character string of the current date and time in an unspecified format.
Inetd implementation
[edit]On UNIX-like operating systems a daytime server is usually built into the inetd (or xinetd) daemon. The service is usually not enabled by default. It may be enabled by adding the following lines to the file /etc/inetd.conf and telling inetd to reload its configuration:
daytime stream tcp nowait root internal daytime dgram udp wait root internal
An example output may be:
Thursday, February 2, 2006, 13:45:51-PST
See also
[edit]External links
[edit]
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