On Tue, Dec 29, 2020 at 10:20:51AM +0700, Victor Sudakov via Exim-users wrote: > The packet dump is available at http://admin.sibptus.ru/~vas/2.pcap > You can see from it that exim's host opens a TCP connection to the > clamav host, the clamav host replies with SYN+ACK, but the exim host sends a > TCP RST > immediately. Why could that happen?
Normally tcp connection initiator should respond with ACK to SYN+ACK. It looks like firewalling issue, I can't imagine how to produce such behaviour with socket API. -- Eugene Berdnikov -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
