阿里云阿里云控制台设置端口开放控制台购买的阿里云服务器默认开放的 22 和 3389 以及-1，我们需要配置一些常用的端口开放。比如说MySQL 数据库 3306 ,NoSQL数据库Redis 6379 Oracle数据库1521 Nginx 的默认80 以及https的443.....等依次类推，需要先设置好了这一步然后再去启用Linux（CentOS7）中的...

问答 2018-04-15 来自：开发者社区

求助阿里云服务器centos7打开6379端口后，本地连接失败的问题

1.首先我在安全组已配置好2.服务器上的端口也打开了3.本地telnet 服务器地址和端口失败有知道原因的告知小弟一下，万分感谢！

问答 2016-12-11 来自：开发者社区

阿里云ECS-CentOS7修改ssh默认端口

修改了系统的ssh默认端口，但是始终无法连接。用telnet也无法联通。怀疑是iptables的问题，但是执行命令发现iptables并没有运行。 google一遍，发现centos7的防火墙已经由原来的iptables改为了firewall，经过测试，果然是这个原因。解决方法如下： 1.centos7的防火墙状态命令： firewall-cmd...

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更新时间 2024-05-19 14:37:20

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