HTTP 101 Switching Protocols vs 407 Proxy Authentication Required
HTTP 101 (Switching Protocols) is a 1xx Informational response, while 407 (Proxy Authentication Required) is a 4xx Client Error response. 101 indicates that the server understands the Upgrade header field request and indicates which protocol it is switching to. In contrast, 407 means that the client must first authenticate itself with the proxy.
คำอธิบาย
The server understands the Upgrade header field request and indicates which protocol it is switching to.
เมื่อคุณพบเห็น
When upgrading from HTTP/1.1 to WebSocket, or to HTTP/2.
วิธีแก้ไข
This is normal behavior during protocol upgrades. Ensure your client supports the target protocol.
คำอธิบาย
The client must first authenticate itself with the proxy.
เมื่อคุณพบเห็น
When accessing the internet through a corporate proxy that requires authentication.
วิธีแก้ไข
Configure proxy credentials in your HTTP client or browser settings.
ความแตกต่างหลัก
101 is a 1xx Informational response, while 407 is a 4xx Client Error response.
HTTP 101: The server understands the Upgrade header field request and indicates which protocol it is switching to.
HTTP 407: The client must first authenticate itself with the proxy.
You encounter 101 when when upgrading from HTTP/1.1 to WebSocket, or to HTTP/2.
You encounter 407 when when accessing the internet through a corporate proxy that requires authentication.
ควรใช้อันไหนเมื่อไร
For 101 (Switching Protocols): This is normal behavior during protocol upgrades. Ensure your client supports the target protocol. For 407 (Proxy Authentication Required): Configure proxy credentials in your HTTP client or browser settings.