HTTP 101 Switching Protocols vs 525 SSL Handshake Failed
HTTP 101 (Switching Protocols) is a 1xx Informational response, while 525 (SSL Handshake Failed) 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, 525 means that cloudflare-specific. SSL/TLS handshake with the origin server failed.
Açıklama
The server understands the Upgrade header field request and indicates which protocol it is switching to.
Gördüğünüzde
When upgrading from HTTP/1.1 to WebSocket, or to HTTP/2.
Nasıl Düzeltilir
This is normal behavior during protocol upgrades. Ensure your client supports the target protocol.
Açıklama
Cloudflare-specific. SSL/TLS handshake with the origin server failed.
Gördüğünüzde
When origin SSL certificate is expired, misconfigured, or incompatible.
Nasıl Düzeltilir
Check origin SSL certificate validity. Ensure TLS version compatibility. Renew expired certificates.
Temel Farklar
101 is a 1xx Informational response, while 525 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 525: Cloudflare-specific. SSL/TLS handshake with the origin server failed.
You encounter 101 when when upgrading from HTTP/1.1 to WebSocket, or to HTTP/2.
You encounter 525 when when origin SSL certificate is expired, misconfigured, or incompatible.
Hangisini Ne Zaman Kullanmalı
For 101 (Switching Protocols): This is normal behavior during protocol upgrades. Ensure your client supports the target protocol. For 525 (SSL Handshake Failed): Check origin SSL certificate validity. Ensure TLS version compatibility. Renew expired certificates.