Date: Fri, 18 Apr 2003 10:13:16 -0700 From: Gary D Kline <kline@thought.org> To: Willie Viljoen <will@unfoldings.net> Cc: Joe Lewis <joe@relia.net> Subject: Re: Why does SSH prompt for 2 passwords? Message-ID: <20030418171316.GA4706@tao.thought.org> In-Reply-To: <200304181502.23207.will@unfoldings.net> References: <3E9F2F25.1050103@relia.net> <200304181502.23207.will@unfoldings.net>
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On Fri, Apr 18, 2003 at 03:02:23PM +0200, Willie Viljoen wrote: > On Friday 18 April 2003 0:48, someone, possibly Joe Lewis, typed: > > > Password: > > Response: > > joe@192.168.1.1's password: > > The first prompt is PAM challenge response authentication. This uses the PAM > system instead of a just a flat read of /etc/master.passwd to authenticate, > and is also more secure than standard plaintext authentication. > > Unless your sshd is misconfigured, your configuration files and binaries are > out of sync (this happend when a system is upgraded without doing > mergemaster), this should not be happening, and you should be able to log > in at the first prompt. It might also be that the ssh client you are using > does not handle challenge response authentication properly. > > If you are happy with standard plaintext configuration, you may edit > /etc/ssh/sshd_config and change the setting to this: > > # Change to no to disable PAM authentication > ChallengeResponseAuthentication no > > I'd recommend you rather get PAM fixed though, or use public key > authentication instead, that's much more secure than any form of password > authentication. > I've bumped into this ssh problem myself when I try to reach sites outside my LAN, and it probably is a PAM authentication on my DNS server. I've got to check that I mermastered the 4.8 pam file, but if that doesn't resolve this, can you tell me how else to fix the problem? thanks, gary -- Gary Kline kline@thought.org www.thought.org Public service Unix
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