> For the complete documentation index, see [llms.txt](https://srodevs.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://srodevs.gitbook.io/docs/packets/agent/agent_login_auth_req.md).

# AGENT\_LOGIN\_AUTH\_REQ

* Opcode `0x6103` 
* Direction `C > S`
* Encrypted

```csharp
4   uint    QueueID          // From GATEWAY_LOGIN_ACK
2   ushort  Username.Length
*   string  Username
2   ushort  Password.Length
*   string  Password
1   byte    ContentID        // Locale
6   byte[]  MACAddress
```