GAME: Source Engine Query
This signature detects a Source Engine Query. Source is a first-person shooter (FPS) engine by Valve, Inc. and is used in a variety of games, including Counter-Strike Source, Half-Life 2, Team Fortress 2, and others. This can be a violation of your organization's acceptable use policy. A query is sent before connecting to a server to play. Blocking this query prevents the user from playing on the server.
References
Short Name
APP:GAME:SOURCE-QUERY
Severity
Info
Recommended
False
Recommended Action
None
Category
APP
Keywords
Engine Query Source
Release Date
06/24/2008
Supported Platforms
mx-19.3
vmx-19.3
vsrx-19.2
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-19.4
vsrx3bsd-19.4
srx-branch-19.4
vsrx-19.4
vmx-19.4
mx-19.4
srxevo-25.4
vsrx-26.2
srx-26.2
srx-branch-26.2
vsrx3bsd-26.2
mx-12.3
srx-12.3
srx-branch-12.3
vsrx-12.3
Sigpack Version
3358
Port
UDP/27015-27018
False Positive
Rarely