各种配置文件经常看到bind_ip的设置，为的更加安全

1.绑定本地
[root@host-192-168-1-56 ~]# netstat -nputl|grep -i redis
tcp 0 0 127.0.0.1:6379 0.0.0.0:* LISTEN 12864/redis-server
从另一台机器登录：
[root@hostnfsd :/root]$ redis-cli -p 6379 -h 192.168.1.56 ----内网不能登录
Could not connect to Redis at 192.168.1.56:6379: Connection refused
not connected>
[root@hostnfsd :/root]$ redis-cli -p 6379 -h 125.208.12.56 ----外网不能登录
Could not connect to Redis at 125.208.12.56:6379: Connection refused
not connected>
2.绑定内网
[root@host-192-168-1-56 ~]# netstat -nputl|grep -i redis
tcp 0 0 192.168.1.56:6379 0.0.0.0:* LISTEN 13754/redis-server
[root@hostnfsd :/root]$ redis-cli -p 6379 -h 192.168.1.56 ----只有内网可以登录
redis 192.168.1.56:6379>
[root@hostnfsd :/root]$ redis-cli -p 6379 -h 125.208.12.56
Could not connect to Redis at 125.208.12.56:6379: Connection refused
not connected>

3.绑定外网
[root@host-192-168-1-56 ~]# netstat -nputl|grep -i redis
tcp 0 0 125.208.12.56:6379 0.0.0.0:* LISTEN 13966/redis-server
[root@hostnfsd :/root]$ redis-cli -p 6379 -h 192.168.1.56
Could not connect to Redis at 192.168.1.56:6379: Connection refused
not connected>
[root@hostnfsd :/root]$ redis-cli -p 6379 -h 125.208.12.56 ---只有外网能登陆
redis 125.208.12.56:6379>

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【Linux】关于bind_ip的一点认识

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