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Keep SSH active

Prevent SSH connections from timing out by configuring a keep-alive interval in your SSH config file.

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By Jan Toth
1 min read

Make this part of your SSH config file.

Add the following to your ~/.ssh/config to send keep-alive packets every 60 seconds, preventing idle SSH sessions from being dropped by firewalls or NAT devices. The AddressFamily inet directive forces IPv4 connections.

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worker ~ $ cat ~/.ssh/config
Host *
    ServerAliveInterval 60
    AddressFamily inet
Networking
ssh active
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