Date: Fri, 17 Aug 2018 16:33:12 -0700 From: Kevin Oberman <rkoberman@gmail.com> To: FreeBSD Net <net@freebsd.org> Subject: Very frequent "log_in_vain" messages Message-ID: <CAN6yY1tpK6_7kyO-opTXnGS%2BpAhHQMcS8qTAz1ge=wPgsKfOBw@mail.gmail.com>
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On any given day I log betwen 30 and several hundred messages similar to this: TCP: [137.200.39.19]:443 to [192.168.1.5]:39576 tcpflags 0x12<SYN,ACK>; tcp_input: Connection attempt to closed port The remote port is always 80 or 443. They usually show up in bursts of over a dozen, probably re-transmits. They come feom a variety of sources; in this case the Social Security Administration, with which I have been in contact. I am running 11-Stable and started getting these several months ago. I neglected to note just when, but probably after 11.1-RELEASE, but well before 11.2-RELEASE. This may be FreeBSD, but it may also be tied to Firefox. Is anyone else seeing this? I'm not sure how common it is to run log_in_vain, so it may be common, but little noticed. Thanks for any clues about this. -- Kevin Oberman, Part time kid herder and retired Network Engineer E-mail: rkoberman@gmail.com PGP Fingerprint: D03FB98AFA78E3B78C1694B318AB39EF1B055683
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