Permission denied: make_sock: could not bind to address 端口问题解决

permission denied make_sock could not bind to address 843问题解决

业务系统测试，发现843端口sock连接有问题，通过抓包发现客户端连接843端口的tcp3次握手最后一次失败。现有的843端口是研发写的程序监听端口，怀疑程序不稳定，准备安装http服务然后将监听端口改为843，然后从客户端发起请求，再次从服务端抓包看一下tcp3次握手的情况，然而在配置完成http服务器后调整监听端口时报错如下：

Permission denied: make_sock: could not bind to address [::]:843
Permission denied: make_sock: could not bind to address 0.0.0.0:843

no listening sockets available, shutting down
Unable to open logs

这个问题挡住了测试的去路，经排查解决方法如下：

解决这个问题很简单，

这个必须有个前提那就是SELinux 类型必须是targeted的：

cat /etc/selinux/config|grep SELINUXTYPE;

当然还可以直接把selinux禁用掉，这样不免简单粗暴；直接修改/etc/selinux/config找到SELINUX=enforcing 修改为SELINUX=disable然后reboot就可以了；

当然也可以执行命令setenforce 0这样就可以不重启了；

转载于:https://blog.51cto.com/michaelkang/1065251

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Permission denied: make_sock: could not bind to address 端口问题解决

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