Editorial question40.9K views1,147 votes1 answer4,591 following
AI-generatedIntermittent connection pool exhaustion in PuTTY sessions due to disabled keepalive
When many SSH sessions are opened and closed rapidly in PuTTY, the client appears to exhaust its connection pool, causing new handshakes to fail despite available network resources. The default keepalive interval is set to 0, which disables periodic traffic, and each new session independently negotiates keys and session identifiers, a behavior documented for
putty