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Why does SSH keep disconnecting?

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Why does SSH keep disconnecting?

1. The memory in the router is too small. If there are too many connections made to the server, then in order to drop the traffic the connection disconnects. Another reason is because of the KeepAlive value in the server or in SSH client.

How do I troubleshoot SSH connection issues?

STEPS TO TRY WHEN TROUBLESHOOTING SSH CONNECTIONS:

  1. Ping your VPS. As with most network connectivity problems the first step should be to ping your server.
  2. Use VNC to gain access if internet connection is established but SSH is not.
  3. Verify the VPS Firewall Rules.
  4. Verify the SSH Service Status.
  5. Verify the SSH Port.

How do I stop SSH from disconnecting sessions?

Option 1) Server Side Keep Alive

  1. Log in as root.
  2. Edit the file at /etc/ssh/sshd_config.
  3. Add this line to the file: ClientAliveInterval 60.
  4. Save the file.
  5. Restart sshd on the server.

How do I keep my SSH connection alive?

Keeping SSH connections alive

  1. Start PuTTY.
  2. Load your connection session.
  3. In the Category pane, click Connection.
  4. Under Sending of null packets to keep session active, in the Seconds between keepalives, type 240.
  5. In the Category pane, click Session.
  6. Click Save.
  7. Connect to your account and monitor the connection.

How long do SSH connections last?

In theory, an SSH connection can last indefinitely. It can be explicitly terminated by either side at the SSH layer (with a FIN packet) or abnormally terminated at the TCP layer (with a RST packet).

How do I keep my SSH connection?

To set the SSH keep alive option on the server:

  1. Log in as root.
  2. Edit the file at /etc/ssh/sshd_config.
  3. Add this line to the file: ClientAliveInterval 60.
  4. Save the file.
  5. Restart sshd on the server.

How do I keep my SSH session active?

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