Date: Sat, 6 Jul 2024 09:46:49 +0200 From: Andrea Venturoli <ml@netfence.it> To: "Rodney W. Grimes" <freebsd-rwg@gndrsh.dnsmgr.net> Cc: Ronald Klop <ronald-lists@klop.ws>, freebsd-net@FreeBSD.org Subject: Re: OpenVPN suddenly working one way only Message-ID: <0a73a3e3-ebfe-4392-a598-5d76108f74e5@netfence.it> In-Reply-To: <202407060017.4660HdGk030549@gndrsh.dnsmgr.net> References: <202407060017.4660HdGk030549@gndrsh.dnsmgr.net>
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On 7/6/24 02:17, Rodney W. Grimes wrote: > Host A *still* has/had a port open, and that port can lingere > for several reasons, and that can cause issues. > > Ok, good, check both A and B. I had checked this too: neither A nor B had the port still open. > MTU's? Have you manually checked path MTU to make sure that it > can carry your payload correctly IN BOTH DIRECTIONS. I have > seen asymetrical routes cause MTU issues due to it being smaller > in one direction. That's the first thing I thought: however a simple ping does not get through and that's a small packed. bye & Thanks av.
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