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服务器无法远程连接原因分析
2022-07-03 03:59:00 【IDC02_FEIYA】
服务器无法远程连接原因分析
作为一个服务器管理员,你是否遇到过服务器无法远程连接的情况呢,今天飞飞和你们一起分析。
服务器无法远程连接的原因
1、带宽跑满(不一定是正常业务的带宽,有可能是中马之后异常发包)。
2、系统问题:卡死、蓝屏、系统文件丢失导致系统损坏等。
3、系统内安装安全类软件后,未开放相应的协议及端口而被拦截。
4、修改了远程端口号,但未修改系统防火墙规则或安全类软件的规则。
5、远程服务未开启
6、被恶意DDOS攻击,流量超防御峰值导致IP被封,尚未解封。
故障排查思路
1、无法远程连接的时候,服务器IP是否能ping通(未禁ping的情况下)
2、无法远程连接的时候,服务器的网关IP能否ping通(以此判断是否为机房线路问题)
3、同时使用第三方工具测试ping服务器IP和服务器网关IP,如站长工具的多ping,webkaka,17ce等等
4、远程连接端口是否通,可以用telnet+ip+port来测试。如命令行下输入telnet 8.8.8.8 3389
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