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Service Location Protocol

Service Location Protocol

(also SLP)

Service Location Protocol definition

Service Location Protocol (or SLP) is a network protocol that helps computers and other devices discover available services on a network (like printers). SLP is designed to make it easier for clients to find and use services without needing manual configuration. SLP is versatile and works on various different operating systems and networks.

How Service Location Protocol works

  • A computer with a service (like a printer) announces its availability on the network by sending a message to a designated location on the network.
  • Other computers on the network search for the services they need.
  • A special computer on the network (called the Directory Agent) keeps a list of available services and their locations.
  • When a computer searches for a service, the Directory Agent checks its list and provides information on where to find it.
  • The requesting computer can now access and use the service it was looking for, such as printing a document.

Security of Service Location Protocol

In its standard configuration, SLP doesn’t offer sufficient security features. It’s a good idea for businesses to use additional security measures to safeguard against unauthorized access and service impersonation (spoofing). These extra precautions help ensure that only authorized users and devices can access network services and help boost overall network security.

Further reading

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