参考

防火墙usg5500（V300R001C00SPC700）WEB界面无法登陆

现象

Web防火墙突然无法web登录，Ping通，但是Tcpping端口不通。无论是从外网、还是内网都一样。

Probing 192.168.100.1:1234/tcp - No response - time=2047.528ms
Probing 192.168.100.1:1234/tcp - No response - time=2014.602ms
Probing 192.168.100.1:1234/tcp - No response - time=2012.373ms
Probing 192.168.100.1:1234/tcp - No response - time=2001.961ms

解决

• 关闭web-manager

Login authentication

Note: The max number of VTY users is 5, and the current number
      of VTY users on line is 3.
NOTICE:This is a private communication system.
       Unauthorized access or use may lead to prosecution.
<usg5150>
<usg5150>
<usg5150>syst
<usg5150>system-view
17:29:02  2025/04/15
Enter system view, return user view with Ctrl+Z.
[usg5150]
[usg5150]undo we
[usg5150]undo web-manager ?
  config-guide  Indicate the keyword of the HTTPD configuration guide
  enable        Enable Web server
  security      Indicate the web server
  timeout       Specify the web timeout of the Web server
  user          Specify the parameter of the web user

[usg5150]undo web-manager ena
[usg5150]undo web-manager enable

[usg5150]display web-manager configuration
17:31:17  2025/04/15
 Httpd server is disable.
 rootdir is FLASH:/web/.
 default file name is /default.html.
 HTTP port is 8080.

 Httpd security server is disable.
 rootdir is FLASH:/web/.
 default file name is /default.html.
 HTTPS port is 8443.

• 重启web-manager

[usg5150]web-manager enable port 8080

[usg5150]display web-manager configuration
17:40:19  2025/04/15
 Httpd server is enable.
 rootdir is FLASH:/web/.
 default file name is /default.html.
 HTTP port is 8080.

 Httpd security server is disable.
 rootdir is FLASH:/web/.
 default file name is /default.html.
 HTTPS port is 8443.