In message <201803241747.w2ohlupr069...@donotpassgo.dyslexicfish.net>, Jamie Landeg-Jones <ja...@catflap.org> wrote:
>Have you thought of examining the TCP timestamp field? Not necessarily >for accurate uptime, but a way to determine if the hosts are the same. No, I certainly didn't, but that appears to be the exact kind of thing I was looking for, so thanks! (I will have to look into it some more. I have just skimmed RFC 1323 for the very first time ever, and it will take me awhile to fully grok this stuff.) >Or some of the other fingerprinting methods? nmap has options for uptime >and other fingerprinting : https://nmap.org/book/osdetect-usage.html I'm not seeing a separate option just for the uptime, apart from the full blown OS detection. Did I just miss it? _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"