From: Matthias Kilian Subject: Re: Dealing with software using Linux TCP socket options To: David Uhden Collado Cc: ports@openbsd.org Date: Wed, 21 Aug 2024 23:49:18 +0200 On Wed, Aug 21, 2024 at 11:30:52PM +0200, David Uhden Collado wrote: > 2. Linux TCP Socket Options: SimpleXMQ, on which the SimpleX Chat CLI client > depends, uses Linux-specific TCP socket options [2] that are not available > in OpenBSD [3], namely TCP_KEEPIDLE, TCP_KEEPINTVL, and TCP_KEEPCNT. My > questions regarding this issue are: [...] For all of those options, https://man7.org/linux/man-pages/man7/tcp.7.html states that they should not be used in coded intended to be portable. So you should probably ask upstream why they use those options. Ciao, Kili