> On 1. Mar 2023, at 11:35, Yuri <y...@freebsd.org> wrote:
>
> Windows system connects to FreeBSD through ssh and then this connection dies
> because of WiFi or VPN issues.
>
> FreeBSD still has the sshd process alive for this connection for 30+ minutes.
>
> TCP keepalive is enabled on the FreeBSD host:
>
> $ sysctl net.inet.tcp.always_keepalive
> net.inet.tcp.always_keepalive: 1
>
> Shouldn't TCP keepalive kill this sshd process after 3-4 minutes because this
> connection isn't alive?
>
Keepalives start after net.inet.tcp.keepidle milliseconds (2h by default).
Cheers
