Some problems when SSH default port is not 22

Recently at work , Meet a ssh The default port is 23245 Server for .

see ssh Default port

vim /etc/ssh/ssh_config
You can view through the above command config In the document Port Set to determine ssh Default port .

ssh and scp

When ssh Default port is not 22 When , We were using the scp and ssh It is necessary to specify port：
Default port 22 The default port for the server connection 23245 On the server ：

ssh -p 23245 [email protected]

Default port 23245 The default port for the server connection 22 On the server ：

ssh -p 22 [email protected]

From the default port 22 The server copies the contents to the default port 23245 On the server ：

scp -P 23245 file [email protected]:dir

From the default port 23245 The server copies the contents to the default port 22 On the server ：

scp -P 22 file [email protected]:dir