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| title | summary | date | lastmod | categories | tags | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Stalled SSH connections | My pfSense removed valid connections obviosly. This is how I solved it. <small>The thumbnail was created with Google AI (Imagen 3).</small> | 2024-10-06T19:30:17+02:00 | 2024-11-17T11:19:39+0000 |
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I spent some time adjusting my SSH configuration because I often get stalled connections to my servers but I never got that fixed until recently, when I started looking in my firewall settings on the pfSense.
After changing the Firewall Optimization Settings within System → Advanced → Firewall & NAT to Conservative I had no more of these hangs of my SSH sessions.
I use the ControlMaster setting in my SSH configuration so the stalled
connections have to be killed with something like
$ ssh -O exit {short hostname}
every time -- which is annoying.