Failure of ping domain names, IP addresses successful why? Nslookup, no problem. # Nslookup Default Server : pdns.cpip.net.cn Address : 210.73.64.1 "; Updateserver.sun.com Server : pdns.cpip.net.cn Address : 210.73.64.1 Non-authoritative answer : Name : updateserver.sun.com Address : 192.18.108.59 Did not address the issue of ping ip, of ping # Of ping 192.18.108.59 192.18.108.59 is alive # Of ping updateserver.sun.com Updateserver.sun.com unknown host of ping : Why? Failure of ping domain names, IP addresses successful why? For example, you is not on some PING PING nowhere www.sohu.com But links can PING www.sina.com.cn I think things are setting up reverse analysis Failure of ping domain names, IP addresses successful why? --> Ones made of ping nowhere because the filters Sina not icmp包 Failure of ping domain names, IP addresses successful why? DNS can change a try. Wangsuman company is frighteningly time, the proxy can often become the domain name analytic IP, DNS months later for the chorus. Failure of ping domain names, IP addresses successful why? Analysis should be the domain name matters. Failure of ping domain names, IP addresses successful why? --> Failure of ping domain names, IP addresses successful why? Resolv.conf tie your line to see. Failure of ping domain names, IP addresses successful why? I think so. . If your dns can address any analysis, but any of ping different domain name. Should be set up in the wrong. Etc/nsswitch.conf /etc/resolv.conf and check documents. Failure of ping domain names, IP addresses successful why? Will the weak weaker upstairs, what documents etc/nsswitch.conf Failure of ping domain names, IP addresses successful why? Failure of ping domain names, IP addresses successful why? I tried this site, host a reflection of ping also connected. This proves without any problems and the setting up of the site, you can see your own setup, and your firewall is or what! [ Closed window ]