HTTP 100 Continue vs 511 Network Authentication Required
HTTP 100 (Continue) is a 1xx Informational response, while 511 (Network Authentication Required) is a 5xx Server Error response. 100 indicates that the server has received the request headers and the client should proceed to send the request body. This lets the client know it can continue with the request or abort if the headers were rejected. In contrast, 511 means that the client needs to authenticate to gain network access. Used by captive portals (hotel/airport WiFi).
Deskripsi
The server has received the request headers and the client should proceed to send the request body. This lets the client know it can continue with the request or abort if the headers were rejected.
Ketika Anda Melihatnya
When a client sends an Expect: 100-continue header, the server responds with 100 before the client sends the body.
Cara Memperbaiki
This is an interim response — no fix needed. The client should continue sending the request body.
Deskripsi
The client needs to authenticate to gain network access. Used by captive portals (hotel/airport WiFi).
Ketika Anda Melihatnya
When connecting to WiFi that requires login (airport, hotel, coffee shop).
Cara Memperbaiki
Open a browser and complete the captive portal login process.
Perbedaan Utama
100 is a 1xx Informational response, while 511 is a 5xx Server Error response.
HTTP 100: The server has received the request headers and the client should proceed to send the request body. This lets the client know it can continue with the request or abort if the headers were rejected.
HTTP 511: The client needs to authenticate to gain network access. Used by captive portals (hotel/airport WiFi).
You encounter 100 when when a client sends an Expect: 100-continue header, the server responds with 100 before the client sends the body.
You encounter 511 when when connecting to WiFi that requires login (airport, hotel, coffee shop).
Kapan Menggunakan Yang Mana
For 100 (Continue): This is an interim response — no fix needed. The client should continue sending the request body. For 511 (Network Authentication Required): Open a browser and complete the captive portal login process.