FAQs
To change the SSH port: Log on to the server as an administrator. Search for the entry Port 22. Replace port 22 with a port between 1024 and 65536.
How to change default SSH port? ›
Changing the SSH Port
- Edit the SSH Configuration File. Open the SSHD configuration file with your preferred text editor. ...
- Change the Port Number. Edit the line to reflect your desired port number, preferably above 1024 to avoid conflicts with other standard services. ...
- Restart the SSH Service.
To change the port of the SSH server, the systemd configuration for ssh. socket must be changed or supplemented. The configuration adjustment is made by creating a *. conf file in the directory /etc/systemd/system/ssh.
How to run SSH server on different port? ›
Configuring SSH to run on a nonstandard port
- Open /etc/ssh/sshd_config in a text editor. ...
- Go to the following line: ...
- Uncomment and edit this line to reflect the new port. ...
- Save and quit the file, and restart SSH. ...
- If you are connected to the server by using SSH on port 22, you need to reconnect by using the new port.
Go to Tools & Settings > IP Address Banning (Fail2Ban) > switch to the Jails tab and click ssh. On the ssh page, click Change Settings and change the port value from ssh to your new custom SSH port (In this example, it is 2222). Once done, apply the changes.
How do I change my default port? ›
Follow the steps below to change the default SSH port:
- Step 1: Connect to Remote Server. Connect to the remote server via ssh. ...
- Step 2: Change SSH Configurations. ...
- Step 3: Update Firewall Rules. ...
- Step 4: Restart SSH. ...
- Step 5: Test the New Port.
Changing the port only stops automatic attacks against your SSH and some script kiddies. If someone was targeting you then they could fine the new SSH port. The advantage is that it stops failed login attempts in your logs.
Should I change the default port? ›
In conclusion, I am going to say that changing the default port number does not increase or decrease security at all. I'm sure most reading this are saying, well duh or I knew that, but it was an interesting perspective to collect data, use open-source tools, and witness what's going on firsthand.
Where is the default SSH config file? ›
SSH configuration files are a powerful tool for automating SSH connections. The default location of a user-specific config file is in ~/. ssh/config, whereas the system-wide configuration file for all users is in /etc/ssh/ssh_config. Both file locations should stay unchanged.
What is the default port for the SSH protocol? ›
An SSH server, by default, listens on the standard TCP port 22.
There are two general ways to check which port the SSH service is running on. One is checking the SSH configuration file, and the other is examining the running process. On most systems, the SSH configuration file is /etc/ssh/sshd_config .
What port should I use for SSH? ›
Port 22 is the designated port for SSH, allowing devices to establish secure connections for remote administration and file transfer. It's important to note that port 22 must be open and accessible on the network for SSH connections to be established.
How to change SSH port in Windows? ›
Restart the OpenSSH service: Open the Services application by typing `services. msc` into the Windows search bar. Find the OpenSSH SSH Server service, right-click it, and select Restart. This will apply the new port settings.
How to connect to SSH on specific port? ›
How to Change the SSH Server Port Number
- Use SSH to connect to your server and log in as root.
- Open the sshd_config file using a text editor. ...
- Identify the line specifying “Port 22” and change it to the port number you wish to use.
- Save changes when exiting the file editor.
Specifying SSH port number on the command line
The -p <port> option can be used to specify the port number to connect to when using the ssh command on Linux. The -P <port> (note: capital P) option can be used with SFTP and scp .
How do I fix SSH connect to host port 22 connection refused? ›
Here are some steps you can take to troubleshoot and fix an SSH “Connection Refused” error:
- Verify Your SSH Port. ...
- Check Your SSH Login Credentials. ...
- Ensure SSH Is Installed on the Server. ...
- Enable SSH Access on your Server. ...
- Resolve Server Firewall Conflicts with SSH.
How to change default RDP port
- Start the “Registry Editor”
- Find the following registry subkey: HKEY_LOCAL_MACHINE. System. CurrentControlSet. Control. TerminalServer. WinStations. RDP-Tcp. PortNumber.
- Open the “PortNumber” and in the menu select “Decimal”
- Enter the new port number and click OK.
- Close the “Registry Editor”
Brief look at:
- Install SSH server;
- Change port in config file %programdata%\ssh\sshd_config (for Windows):
- Add new firewall rule with PowerShell running following command as Administrator: ...
- Restart your 'SSH server' windows service;
- (optional) Delete firewall rule for default 22 port.
To change which one is default just touch it. You can specify an alternate keyfile on the command line with the -i option, or you can change it permanently with IdentityFile in the ssh client config file. The most recent file will be the default, and you can probably change this.
How do I change my default shell in SSH? ›
Configuring the default ssh shell is done in the Windows registry by adding the full path to the shell executable to HKEY_LOCAL_MACHINE\SOFTWARE\OpenSSH in the string value DefaultShell .
