I remember there was a (now rather obscure) patch floating around in the days of Win9x/2K that gave you the Linux behaviour, with an associated option to extend

I remember there was a (now rather obscure) patch floating around in the days of Win9x/2K that gave you the Linux behaviour, with an associated option to extend the timeout to very large values. Later, Microsoft made it configurable: https://learn.microsoft.com/en-us/troubleshoot/windows-server/networking/disable-media-sensing-feature-for-tcpip https://learn.microsoft.com/en-us/troubleshoot/windows-serve... Of course if the connection is active when that happens, the other end will probably not like the prolonged silence, and give up first.