socket编程时碰到的No route to host
2012-04-24 10:48
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编程时候,本来将c/s分别在两台电脑上运行,结果出现No route to host
而后试图在同一台电脑上运行c/s两个程序,只是运用的ip的是本机ip而非127.0.0.1,程序能正常运行
网上搜了下,有说法是因为电脑上的防火墙开启,导致两个电脑直接无法socket通讯,此时应该是在client端口下:telnet (ip地址) (端口号) 不能连上server的
解决方法:在服务器端,root用户下关闭防火墙:service iptables stop(可用service iptables start打开),而后telnet (ip地址) (端口号)可以连上,此时再运行编写的socket程序,应该是可以连接上的
而后试图在同一台电脑上运行c/s两个程序,只是运用的ip的是本机ip而非127.0.0.1,程序能正常运行
网上搜了下,有说法是因为电脑上的防火墙开启,导致两个电脑直接无法socket通讯,此时应该是在client端口下:telnet (ip地址) (端口号) 不能连上server的
解决方法:在服务器端,root用户下关闭防火墙:service iptables stop(可用service iptables start打开),而后telnet (ip地址) (端口号)可以连上,此时再运行编写的socket程序,应该是可以连接上的
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