Website 501 Method Not Implemented error prompt

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The server loads the security_module.
If the server solves the problem
In/etc/conf. d/mod_security.conf

The code is as follows:	Copy code
Loadfile/usr/libxml2.so. 2 Loadmodule security_module modules/mod_security2.so Loadmodule unique_id_module modules/mod_unique_id.so

Comment it out.
See
Or you can
Add the following content to. htaccess:

The code is as follows:	Copy code
<IfModule mod_security.c> SecFilterEngine Off SecFilterScanPOST Off </IfModule>

Disable it.

Find a solution for foreign websites.

The code is as follows:	Copy code
$ Telnet www.example.com 80 Trying 192.0.32.10... Connected to www.example.com. Escape character is '^]'. OPTIONS/https/1.1 HTTP/1.1 200 OK Date: Tue, 08 Dec 2009 02:29:38 GMT Server: Apache/2.2.3 (CentOS) Allow: GET, HEAD, POST, OPTIONS, TRACE Content-Type: text/html; charset = UTF-8 Content-Length: 0 Connection: close Connection closed by foreign host. $