linux网络编程 no route to host 解决方案
2016-10-30 21:58
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linux网络编程 no route to host 解决方案 【整合资料】
(2013-05-13 21:38:12)转载▼
标签:netiptablesit | 分类: Linux |
在vmvare里面配了两台mysql,发现用mysql连不上mysql服务器,用telnet登录mysql的3306端口,发现居然是no route to host;
[zhoulei@localhost ~]$ telnet 192.168.2.48 3306
Trying 192.168.2.48...
telnet: connect to address 192.168.2.48: No route to host
telnet: Unable to connect to remote host: No route to host
觉得甚是差异,估计是虚拟机装了有问题,就把虚拟机中的防火墙给清了一下,发现可行。
[zhoulei@localhost ~]$ sudo iptables -F
今天安装过vsftpd后,基本配置已经ok;在本地可以正常访问到
在其他server访问,提示
ftp: connect: No route to host
出现这个问题,首先是和vsftpd服务的配置无关,因为你本地已经可以正常访问到,首先考虑是防火墙是否添加21端口,
用命令iptables -L --line-num
发现已经添加了,此外,只能考虑是防火墙少了ftp的模块,导致出现的error
编辑vi /etc/sysconfig/iptables-config
添加一行:IPTABLES_MODULES="ip_nat_ftp ip_conntrack_ftp"
之后重新启动iptables
[root@In-Server3 ~]# service iptables restart
Flushing firewall rules: [ OK ]
Setting chains to policy ACCEPT: filter [ OK ]
Unloading iptables modules: [ OK ]
Applying iptables firewall rules: [ OK ]
Loading additional iptables modules: ip_nat_ftp ip_conntrack_ftp [ OK ]
ok,模块已经加载了了
再访问ftp服务
就ok了。。。。。。
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