Re: bruteforce ssh

From: Darren Tucker (dtucker_at_gate.dodgy.net.au)
Date: 10/26/05

  • Next message: Darren Tucker: "Re: Mixing Public Key and Password authentication" 
    Date: 26 Oct 2005 10:13:38 GMT

    On 2005-10-26, Selvesteen <selvesteen@gmail.com> wrote:
    >
    > Ricardo wrote:
    >> Hi! all!
    >> How can I block IP adresses that trying to a Bruteforce atack on my server?
    >> It is possible?
    >
    > Yes. It is possible. Add the ipaddress to the file /etc/hosts.deny.
    > Please note that OpenSSH should have compiled with tcp_wrappers to this
    > to work.

    You could also just dump the offending addresses into whatever kind of
    packet filter your system has.

    Alternatively, if you're using PAM for authenication then you could check
    out one of the auto-lockout modules around, eg:
    http://www.hexten.net/pam_abl/
    http://mbsd.msk.ru/pam_af.html 

    -- 
Darren Tucker (dtucker at zip.com.au)
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.
  • Next message: Darren Tucker: "Re: Mixing Public Key and Password authentication"

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