Valve SDR Protocol

This page provides information on the Valve SDR Protocol detected by the Netify DPI engine.

Protocol Description

Steam Datagram Relay (SDR) is a UDP-based transport protocol used by Steam to provide secure, optimized, and low-latency game networking by routing traffic through relay servers.

Please see the protocol catalog page for information on other protocols detected by Netify DPI.

Protocol Details

ID
373
Full Name
Steam Datagram Relay
Abbreviation
SDR
Category Tag
games
Category
Games
Home Page
Valve SDR
Introduced
Version 5.1.7

Related Protocols

Review the Games category suite below, or explore the complete protocol catalog.