Date: Mon, 4 Mar 2019 18:21:21 +0700 From: Eugene Grosbein <eugen@grosbein.net> To: "Patrick M. Hausen" <hausen@punkt.de>, FreeBSD Net <freebsd-net@freebsd.org> Subject: Re: TCP-forwarding with netcat - weird failures ... Message-ID: <a9a82e56-f7a7-97dd-86ba-948d91704ca2@grosbein.net> In-Reply-To: <D3EF7ABA-7674-4F7B-8ED2-21CED3BFB975@punkt.de> References: <D3EF7ABA-7674-4F7B-8ED2-21CED3BFB975@punkt.de>
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04.03.2019 17:43, Patrick M. Hausen wrote: > Needless to say: doesn’t work. And no, it’s not the obvious ARP caches. > Connections can be established but then abort spontaneously without > an observable pattern or reason. Each "abort" of TCP connection has its own distinct reason: TCP FIN or TCP RST or ICMP unreach or timeout etc. You need to start collecting packet captures with "tcpdump -npw file.pcap" Without such details, noone can tell you what's your reason out of hundreds possible.
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