ssh更改端口号
shisthedefaultprotocolusedtomanageremotesystemswhicharemainlylinuxandnetworkingoveranetworkconnectionandused mberwhichis22.inthistutorial，wewillookathowtochangethedefaultportnumberfromtheclientandserverpoinnt
ssh是主要用于管理Linux和网络设备远程系统的默认协议。 由于它通过网络连接运行并使用TCP，因此默认端口号为22。 本教程将从客户端和服务器的角度探讨如何更改缺省端口号。
SSH服务器端口配置(list ssh server port configuration/etc/shfolderwithanamesshd _ config.thisconfigurationfileprovidesalotofconfigurationparameters.wecanprintthecurrentportconfigurtconfigugurattconfiguloresttttionfigulonfiguloresco
Linux ssh服务器配置保存在sshd_config /etc/ssh文件夹中。 此配置文件具有许多配置参数。 可以使用以下命令打印当前端口的配置，即grepping Port文本：
$ cat/etc/ssh/sshd _ config|grepportssh服务器端口配置更改inordertochangeportconfiguration
要更改端口配置，只需从上一步所示的配置行的开头删除#。 所以
# port 22 willchangetothebelowwherenumberistheportnumberwewant。
改为： 其中，number是我们想要的端口号。
端口2222 andweneedtorestartthesshserviceinordertoaffectchanges。
此外，还必须重新启动ssh服务以影响更改。
$sudosystemctlrestartsshssh客户端端口配置更改(changesshclientportconfiguration ) )。 nowwehavechangessshportoftheserverbuthowcanwespecifydifferentportthan 22 insshclient.weusealinuxsshclientwhichusesport 22 ASD efasd dertospecifytheportnumberwewanttoconnect.in this example，wewillconnecttotheportnumber 222。
虽然在此更改了服务器的ssh端口，但ssh客户端如何指定与22个端口不同的端口？ 正在使用Linux ssh客户端。 此客户端默认使用端口22。 使用-p选项指定要连接的端口号。 在本例中，连接到端口号2222。
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ssh修改端口号