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Re: pam_tally2 with sshd

From Reco <recoverym4n@gmail.com>
Newsgroups linux.debian.user
Subject Re: pam_tally2 with sshd
Date 2016-02-23 22:30 +0100
Message-ID <r5sGS-2L7-9@gated-at.bofh.it> (permalink)
References <r5sdQ-2hS-17@gated-at.bofh.it>
Organization linux.* mail to news gateway

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	Hi.

On Tue, 23 Feb 2016 14:52:59 -0600
Nicholas Geovanis <nickgeovanis@gmail.com> wrote:

> Debian 8 jessie.
> The goal is to block SSH logins with multiple incorrect password tries.
> I've added these lines to my /etc/pam.d/sshd file:
> 
> auth    optional        pam_echo.so Before sshd pam_tally
> auth    required        pam_tally2.so file=/var/log/tallylog deny=3 audit
> onerr=fail
> auth    optional        pam_echo.so After sshd pam_tally
> 
> I receive the pam_echo lines OK. But no matter what, failed passwords never
> increment the pam_tally2 failure count. "UsePAM yes" is specified in
> /etc/ssh/sshd_config. This must be the wrong location for pam_tally2.so but
> experiments haven't helped me find the right location. Has someone a
> working configuration they would share? Many thanks....Nick

A typical run-of-the-mill Jessie system here.
I just put your pam_tally2 configuration (I skipped pam_echo though)
into /etc/pam.d/sshd *before* the '@include common-auth' line.
Created /var/log/tallylog file.
Tested it with 'ssh -o PreferredAuthentications=password <host>'.

Everything worked as expected - i.e. PAM module
filled /var/log/tallylog with own blob, and /sbin/pam_tally2 shows
failed login counter increments.

Reco

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Thread

pam_tally2 with sshd Nicholas Geovanis <nickgeovanis@gmail.com> - 2016-02-23 22:00 +0100
  Re: pam_tally2 with sshd Reco <recoverym4n@gmail.com> - 2016-02-23 22:30 +0100
    Re: pam_tally2 with sshd Nicholas Geovanis <nickgeovanis@gmail.com> - 2016-02-24 16:30 +0100

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