禁止wordpress对自己ping

作者：dianso 发布时间June 16, 2010 分类:存檔備份 

<?php
/*
Plugin Name: No Self Pings
Plugin URI: http://blogwaffe.com/2006/10/04/421/
Description:
Version: 0.2
Author: Michael D. Adams
Author URI: http://blogwaffe.com/
License: GPL2 – http://www.gnu.org/licenses/gpl.txt
*/
function no_self_ping( &$links ) {
$home = get_option( ‘home’ );
foreach ( $links as $l => $link )
if ( 0 === strpos( $link, $home ) )
unset($links[$l]);
}
add_action( ‘pre_ping’, ‘no_self_ping’ );
?>

centOS禁ping和允许ping的两条命令

作者：dianso 发布时间December 13, 2009 分类:存檔備份

禁止ping

sysctl -w net.ipv4.icmp_echo_ignore_all=1

允许ping

sysctl -w net.ipv4.icmp_echo_ignore_all=0

添加完之后 实时生效

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