ping不通外网地址，请指教

vina

我安装了一台linux，目前都可以访问外网了，如163，sina等。但是就是ping不通这些外网的网址。

请指教！谢谢！

xuhehao

检查防火墙配置，看看是不是把icmp丢包了

寂寞烈火

这些地址被取消了echo服务

xuhehao

[quote]原帖由 "寂寞烈火"]这些地址被取消了echo服务[/quote 发表：


# ping www.163.com
PING www.163.com (202.106.168.109) 56(84) bytes of data.
64 bytes from 202.106.168.109: icmp_seq=0 ttl=52 time=23.5 ms
64 bytes from 202.106.168.109: icmp_seq=1 ttl=52 time=23.5 ms

--- www.163.com ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1016ms
rtt min/avg/max/mdev = 23.570/23.576/23.582/0.006 ms, pipe 2

# ping www.sina.com.cn
PING libra.sina.com.cn (61.135.152.80) 56(84) bytes of data.
64 bytes from 61.135.152.80: icmp_seq=0 ttl=50 time=24.4 ms
64 bytes from 61.135.152.80: icmp_seq=1 ttl=50 time=24.0 ms

--- libra.sina.com.cn ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1003ms
rtt min/avg/max/mdev = 24.096/24.270/24.444/0.174 ms, pipe 2

# ping www.sina.com
PING libra.sina.com.cn (61.135.152.84) 56(84) bytes of data.
64 bytes from 61.135.152.84: icmp_seq=0 ttl=50 time=24.3 ms
64 bytes from 61.135.152.84: icmp_seq=1 ttl=50 time=24.6 ms

--- libra.sina.com.cn ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1018ms
rtt min/avg/max/mdev = 24.334/24.486/24.638/0.152 ms, pipe 2