Hello!

Does anybody know why the 1C browser client open connection to the next address?

url: "dialog-turn1-gpt-msk.1c.ru:3478",
   username: "web_client",
   password: "tveaoRJcFGzT2oh2umjj"

Thank you!

It connects to collaboration server: https://1c-dn.com/1c_enterprise/collaboration_system/
Address is specified here: https://kb.1ci.com/1C_Enterprise_Platform/FAQ/Administration/Collaboration_­Server/
It is optional feature. You can disable it.