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12 Φεβ 2021 · Put ssh in a VPN tunnel. Set up a VPN like wireguard, which does not respond to port scans. Make the sshd on the server listen only on the private IP of the wireguard interface. Then ssh into the server using wireguards internal ip on the client.
Anyway, here's how to kill a process that owns a particular port: sudo netstat -ap | grep :<port_number>. That will output the line corresponding to the process holding port , for example: tcp 0 0 *:8000 *:* LISTEN 4683/procHoldingPort.
4 Μαρ 2013 · How to cancel a forwarded port in an already running SSH session: Press ~+C (tilde + capital C) Type -KL 10002 (or whatever port number) Press Enter; You should see this: ssh> -KL 10002 Canceled forwarding.
14 Μαρ 2019 · with the shell builtin command, exit, followed by Enter, or. Ctrl - d, (end-of-file) in the case where you have a bad connection and the shell is unresponsive, hit the Enter key, then type ~. and ssh should immediately close and return you to your command prompt.
11 Μαΐ 2024 · If firewalld is running on the Linux system, we use firewall-cmd to make sure the SSH port is open: $ sudo firewall-cmd --list-ports ... 22/tcp. Of course, if the SSH port isn’t in the list, we can add it to the allowed ports: $ sudo firewall-cmd --permanent --add-port=22/tcp. This command adds port 22 to the allowed ports in the permanent ...
29 Ιουν 2023 · Open the terminal application and connect to our server via SSH. Locate sshd_config file by typing the find command. Edit the sshd server file and set Port option. Save and close the file. Restart the sshd service to change the ssh port in Linux.
22 Σεπ 2020 · Start by opening the /etc/ssh/sshd_config configuration file with nano or your preferred text editor. $ sudo nano /etc/ssh/sshd_config. Look for the #Port 22 line. We’ll need to uncomment this line and change the number to our desired port number. For this example, we’ll switch the port number to 2222. From:
