HTTP 101 Switching Protocols vs 510 Not Extended
HTTP 101 (Switching Protocols) is a 1xx Informational response, while 510 (Not Extended) is a 5xx Server Error response. 101 indicates that the server understands the Upgrade header field request and indicates which protocol it is switching to. In contrast, 510 means that further extensions to the request are required for the server to fulfill it.
Mô tả
The server understands the Upgrade header field request and indicates which protocol it is switching to.
Khi bạn thấy mã này
When upgrading from HTTP/1.1 to WebSocket, or to HTTP/2.
Cách khắc phục
This is normal behavior during protocol upgrades. Ensure your client supports the target protocol.
Mô tả
Further extensions to the request are required for the server to fulfill it.
Khi bạn thấy mã này
When an HTTP extension required by the server is not present in the request.
Cách khắc phục
Add the required extension headers to your request.
Sự khác biệt chính
101 is a 1xx Informational response, while 510 is a 5xx Server Error response.
HTTP 101: The server understands the Upgrade header field request and indicates which protocol it is switching to.
HTTP 510: Further extensions to the request are required for the server to fulfill it.
You encounter 101 when when upgrading from HTTP/1.1 to WebSocket, or to HTTP/2.
You encounter 510 when when an HTTP extension required by the server is not present in the request.
Khi nào dùng cái nào
For 101 (Switching Protocols): This is normal behavior during protocol upgrades. Ensure your client supports the target protocol. For 510 (Not Extended): Add the required extension headers to your request.