 | | | Ssh woes...(addendum) | Ssh woes...(addendum) 2003-10-28 - By Todd McGuinness
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Here is my verbose output from the session if this helps anyone. For me I
don't understand why I would be getting no challenge??? Anyone have anything
like this before?:
debug1: Found key in /home/tmm/.ssh/known_hosts:1
debug1: Encryption type: 3des
debug1: Sent encrypted session key.
debug1: cipher_init: set keylen (16 -> 32)
debug1: cipher_init: set keylen (16 -> 32)
debug1: Installing crc compensation attack detector.
debug1: Received encrypted confirmation.
debug1: Doing challenge response authentication.
debug1: No challenge.
Permission denied.
debug1: Calling cleanup 0x80634c0(0x0)
On 10/28/03 1:16 PM, "Todd McGuinness" <toddmcguinness@(protected)>
wrote:
> Hi all,
>
> Seeing some strange behaviour on 3 different 7.3 servers. Each with fully
> qualified hostnames and their sshd_configs are exactly identical.
>
> The strangeness is as follows - I can connect from client machines simply
> using rsa authentication on 2 of the servers and ::: then can't connect
> using the same accounts between the 2 servers.
>
> So I will illustrate this to make it easier to understand:
>
> 1. client machine ::: x.x.y.100
>
> 2. Server1 ::: z.y.x.209
> 3. Server2 ::: y.z.x.25
> 4. Server3 ::: z.y.x.210
>
> Now I try to connect with (client machine)user@(protected) to
> (Server1)user@(protected) >>> connection works fine
>
> Then I try to connect with (client machine)user@(protected) to
> (Server2)user@(protected) >>> connection works fine
>
> Then I try to connect from (Server1)user@(protected) to (Server2)user@(protected)
> and every thing fails.
>
> Here is the sshd_config:
> Subsystem sftp /usr/libexec/openssh/sftp-server
> IgnoreRhosts yes
> RhostsRSAAuthentication no
> RhostsAuthentication no
> IgnoreUserKnownHosts yes
> PrintMotd yes
> StrictModes yes
> RSAAuthentication yes
> PermitRootLogin no
> PermitEmptyPasswords yes
> PasswordAuthentication yes
> ReverseMappingCheck no
> GatewayPorts no
> AllowTcpForwarding yes
> KeepAlive yes
> Protocol 1,2
> LogLevel INFO
>
> __ ____ ____ ____ ____ ____ _____
>
> Here is the logged info on what transpires:
>
> Oct 28 12:25:12 server2 sshd(pam_unix)[11031]: authentication failure;
> logname= uid=0 euid=0 tty=NODEVssh ruser= rhost=server1.XXX.XXX user=user
> Oct 28 12:25:14 server2 sshd[11031]: Failed challenge-response for user from
> 66.103.144.209 port 32855
> Oct 28 12:25:14 server2 sshd[11031]: Connection closed by X.X.X.209
>
> Thanks for any and all suggestions, help!!!
>
> Todd McGuinness
>
>
> __ ____ ____ ____ ____ ____ ____ ____ ____ ____
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>
>
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