Tutoriale

Install dproto to admit non-Steam clients on an original HLDS server, configure it through dproto.cfg, and understand how it differs from Reunion on ReHLDS.

Some clients get 'This server is using a different protocol' because CS 1.6 has two engine protocols, 47 and 48. Understand which client uses which and accept both with dproto.

A straight comparison of dproto and Reunion for non-Steam CS 1.6 servers: which engine each targets, how they handle SteamIDs and protocol 47/48, and why ReHLDS plus Reunion is the 2026 default.

Why non-Steam players are still bounced after installing dproto, the HLDS vs ReHLDS split with Reunion, the dproto.cfg protocol and client settings, and confirming the module actually loaded.

What dproto.cfg controls on an original HLDS server, how it lets one server answer both protocol 47 and 48, the GameDLL and SteamID-generation settings, and why you must restart to apply it.