显示HTTP状态码和HEAD信息↓
HTTP/1.1 302 Found
Date: Thu, 13 Jun 2024 13:47:34 GMT
Server: Apache
X-Frame-Options: SAMEORIGIN, ALLOW-FROM *.cas.cn
Content-Security-Policy: frame-ancestors *.cas.cn
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Location: http://www.cas.cn/error/index.html
Cache-Control: max-age=600
Expires: Thu, 13 Jun 2024 13:57:34 GMT
Content-Type: text/html; charset=iso-8859-1
HTTP/1.0 302 Found
Cache-Control: no-cache
Content-Type: text/html
Server:Microsoft-IIS/7.5
Location: https://www.cas.cn/error/index.html
HTTP/1.1 404 Not Found
Date: Thu, 13 Jun 2024 13:47:34 GMT
Content-Type: text/html; charset=utf-8
Connection: close
X-XSS-Protection: 1; mode=block