HTTP 200 OK vs 511 Network Authentication Required
HTTP 200 (OK) is a 2xx Success response, while 511 (Network Authentication Required) is a 5xx Server Error response. 200 indicates that the request succeeded. The meaning depends on the HTTP method: GET returns the resource, POST reports the action result, HEAD returns headers only. In contrast, 511 means that the client needs to authenticate to gain network access. Used by captive portals (hotel/airport WiFi).
คำอธิบาย
The request succeeded. The meaning depends on the HTTP method: GET returns the resource, POST reports the action result, HEAD returns headers only.
เมื่อคุณพบเห็น
The most common HTTP response — indicates the request was processed successfully.
วิธีแก้ไข
No fix needed. The request succeeded as expected.
คำอธิบาย
The client needs to authenticate to gain network access. Used by captive portals (hotel/airport WiFi).
เมื่อคุณพบเห็น
When connecting to WiFi that requires login (airport, hotel, coffee shop).
วิธีแก้ไข
Open a browser and complete the captive portal login process.
ความแตกต่างหลัก
200 is a 2xx Success response, while 511 is a 5xx Server Error response.
HTTP 200: The request succeeded. The meaning depends on the HTTP method: GET returns the resource, POST reports the action result, HEAD returns headers only.
HTTP 511: The client needs to authenticate to gain network access. Used by captive portals (hotel/airport WiFi).
You encounter 200 when the most common HTTP response — indicates the request was processed successfully.
You encounter 511 when when connecting to WiFi that requires login (airport, hotel, coffee shop).
ควรใช้อันไหนเมื่อไร
For 200 (OK): No fix needed. The request succeeded as expected. For 511 (Network Authentication Required): Open a browser and complete the captive portal login process.