Re: inbound ssh ceased on 4 servers at same time

greg_at_grokking.org
Date: 06/05/05

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    Date: Sat, 04 Jun 2005 15:48:26 -0700
To: freebsd-questions@freebsd.org

    John Brooks wrote:
    > sshd is running on the affected machines
    >
    > no errors on console or logs, just times out waiting for
    > the password prompt. interestingly: when investigating this
    > at the console, attempting ssh sessions from the db server
    > and backup server to the file server (these two are 'deeper'
    > in the network so there was never an occasion to ssh FROM
    > them before) produced the std warning about an unknown host
    > prompting for inclusion in the ~/.ssh/known_hosts file.
    >
    > dns is not really involved, the ssh session is sent to the
    > ip address directly as in "ssh john@10.3.3.10"
    >
    > ping works in both directions as does all other network
    > services (internal mysql, intranet http, pop3, smtp, smbd,
    > nmdb, dns). network hardware and cabling issues have been
    > effectively ruled out.
    >

    Have you tried ssh with the -vvv switch to get extra debugging info at
    the console? If there's anything happening with ssh, it should show up
    there, I'd expect. Are you testing to/from multiple hosts here? If so,
    what's different between each set of hosts you're testing?

    Hope that helps,
    G

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