Re: Issue with openssh 3.5p1-6

From: Darren Tucker (
Date: 11/19/05

  • Next message: Darren Tucker: "Re: Solaris 10"
    Date: Sat, 19 Nov 2005 10:50:19 +1100
    To: Ashraf Eid <>

    On Fri, Nov 18, 2005 at 10:04:30AM +0300, Ashraf Eid wrote:
    > My Linux server running Redhat 9 suddenly stopped accepting ssh connections!!!
    > Server side debug output:
    > ===================================
    > # sshd -d 3
    > debug: SshAppCommon/sshappcommon.c:154/ssh_app_get_global_regex_context: Allocating global SshRegex context.
    > debug: SshConfig/sshconfig.c:2360/ssh2_parse_config: Configuration file is old-style. (1.0)
    > debug: SshHostKeyIO/sshhostkeyio.c:220/ssh_host_key_read_keys: Host key algorithms: ssh-dss

    I don't know what this debug is from but it's not OpenSSH. This is odd
    because in the client debug you posted:

    > Event Log: Server version: SSH-1.99-OpenSSH_3.5p1

    Assuming these are in fact from the same connection, the only way I
    can think of this being the case is 1) someone is MITM'ing your connection
    or 2) someone has modified the ssh server to lie about what it is.

    The server appears to be segfaulting (the sig 11) but the reason for this
    is anyone's guess...

    Darren Tucker (dtucker at
    GPG key 8FF4FA69 / D9A3 86E9 7EEE AF4B B2D4  37C9 C982 80C7 8FF4 FA69
        Good judgement comes with experience. Unfortunately, the experience
    usually comes from bad judgement.

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