In Linux SSH is a very important tool that can connect to run through the SSH client SSH server on the remote machine.
1.SSH client using a Secure Shell (SSH) protocol to connect to a remote computer software program.
2.SSH is designed to provide security protocol for remote login session, and other network services.
- Using the SSH protocol can effectively prevent information leakage remote management process.
- Can encrypt all data transmitted via the SSH protocol, it is possible to prevent IP address spoofing and DNS spoofing.
3.SSH Another advantage is that the data transmission is compressed, it is possible to speed up the rate of the transmission.
Common Service Port list
| No. | service | The port number |
| 01 | SSH server | 22 |
| 02 | Web server | 80 |
| 03 | HTTPS | 443 |
| 04 | FTP server | 21 |
Simple to use 4.SSH client
ssh [-p port] user@remote
- user is the user name on the remote machine, if not specified, the default is the current user
- remote is the remote machine address, can be IP / Domain Name
- SSH Server listening port is the port, if not specified, the default value is 22.
Tip: Use exit to exit
note:
- Ssh terminal in the above-described command can be Linux or Unix using the system
- If the Windows system, you can install putty or xshell client software.
As shown in the Windows system installation xshell client remote connection and Ubuntu systems maintenance and management!
