Communication is done over HTTP 1.1
Client (StarCraft II.exe) sends a GET request from port 3622 to:
dist.blizzard.com.edgesuite.net/sc2patch/update/B14133B/sc2-0.3.0.14093-0.4.0.14133-x86-Win-enUS-game-component-dl
UserAgent is "Blizzard Web Client".
Apache server responds with code 200 (OK) and binary data of the file that needs to be updated.
Next, client requests the patch notes from:
www.starcraft2.com/launcher/patch-notes.htm
After the patching process has finished, client notifies the server by sending a POST request to:
us-beta.patch.battle.net:1120
with the following XML data:
Server replies with code 204 (No Content) and closes the connection.
Client (StarCraft II.exe) sends a GET request from port 3622 to:
dist.blizzard.com.edgesuite.net/sc2patch/update/B14133B/sc2-0.3.0.14093-0.4.0.14133-x86-Win-enUS-game-component-dl
UserAgent is "Blizzard Web Client".
Apache server responds with code 200 (OK) and binary data of the file that needs to be updated.
Next, client requests the patch notes from:
www.starcraft2.com/launcher/patch-notes.htm
After the patching process has finished, client notifies the server by sending a POST request to:
us-beta.patch.battle.net:1120
with the following XML data:
Code Select
<version program="S2">
<record program="SC2" component="Win" version="14133" />
<record program="SC2" component="enUS" version="14133" />
<record program="Bnet" component="base" version="3832" />
<record program="Bnet" component="Win" version="17577" />
<record program="Tool" component="Win" version="1406" />
</version>Server replies with code 204 (No Content) and closes the connection.