> 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/gateway.md). # Gateway Packets Packets used when communicating with GatewayServer.
OpcodeDirection ( Client / Server )Name
0x6100C > SGATEWAY_PATCH_REQ
0xA100S > CGATEWAY_PATCH_ACK
0x6104C > SGATEWAY_NOTICE_REQ
0xA104S > CGATEWAY_NOTICE_ACK
0x6101C > SGATEWAY_SHARD_LIST_REQ
0xA101S > CGATEWAY_SHARD_LIST_ACK
0x6106C > SGATEWAY_SHARD_LIST_PING_REQ
0xA106S > CGATEWAY_SHARD_LIST_PING_ACK
0x6102C > SGATEWAY_LOGIN_REQ
0xA102S > CGATEWAY_LOGIN_ACK
0x2322S > CGATEWAY_LOGIN_IBUV_CHALLENGE
0x6323C > SGATEWAY_LOGIN_IBUV_CONFIRM_REQ
0xA323S > CGATEWAY_LOGIN_IBUV_CONFIRM_ACK
{% hint style="info" %} IBUV stands for "Image Based User Verification" (Captcha) {% endhint %} ### Diagram