Restart MySQL:

• ServerTokens OS → ServerTokens Prod (suppress OS name in error pages)
• ServerSignature On → ServerSignature Off (hide Apache version in error pages)
• DirectoryIndex index.html index.html.var → DirectoryIndex index.html index.htm Default.html Default.htm index.php Default.php index.html.var (add index.php to default index files)
• Options Indexes FollowSymLinks → Options Includes ExecCGI FollowSymLinks (enable CGI/SSI, disable directory listing)
• #AddHandler cgi-script .cgi → AddHandler cgi-script .cgi .pl (allow .pl CGI scripts)
• AllowOverride None → AllowOverride All (permit .htaccess overrides)
• AddDefaultCharset UTF-8 → AddDefaultCharset GB2312 (set GB2312 as default encoding)
• Options Indexes MultiViews FollowSymLinks → Options MultiViews FollowSymLinks (hide directory tree in browser)
• KeepAlive Off → KeepAlive On (enable keep-alive connections)
• MaxKeepAliveRequests 100 → MaxKeepAliveRequests 1000 (increase concurrent connection limit)

Save the file and restart Apache: