Question
SSH connection freezes
- Posted on September 22, 2021
- DigitalOcean DropletsUbuntu 20.04
Asked by Nishant Kumar Giri
Hi,
My ssh connected terminal freezes after sometime (after being inactive for few minutes), I’ve changed the /etc/ssh/sshd_config to
TCPKeepAlive yes ClientAliveInterval 30 ClientAliveCountMax 99999
and restarted the ssh daemon service,
still it’s not working.
(I’m using Ubuntu 20.04 (LTS) x64)
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Hi @thenishantgiri,
You’ll need to change the SSH settings on your local machine as well. To get your configuration working, make these configuration changes on the client:
/etc/ssh/ssh_config
Host *
ServerAliveInterval 100
**ServerAliveInterval **The client will send a null packet to the server every 100 seconds to keep the connection alive
Hello all,
I know the question has been answered however here are a few more details on the matter.
To paraphrase, in order to keep your connection alive for more than the default time, some adjustments will be needed.
First, you’ll need to edit your sshd_config file.
Find the following lins and uncomment them
Once you do, change their values to
Save the changes you’ve made and restart your sshd service
You need to edit your local SSH config as well. You’ve finished the first part with the questions you’ve provided.
What you need to do is add
locally.
There a couple of ways to do so. You can add it in the
/etc/ssh/ssh_configfile like soor in your .ssh/config file: