[Ssh-sftp-perl-users] Bad packet length in Net::SSH::Perl

[K B S. K. <shi...@in...>]

> Hi,
> 
> Thanks in advance. In case the answer is RTFM... I request you to
> please please point me to the FM.
> 
> I have an Fedora Core 3 and have installed Net::SSH::Perl successfully
> from CPAN. I am using password authentication. However my script fails
> during Diffie Hellman Group 1 Key Exchange with Bad Packet Length
> Error. I am successfully able to connect via command line using
> password authentication.
> 
> Below is the verbose output of Net::SSH::Perl
> 
> mustang: Reading configuration data /root/.ssh/config
> mustang: Reading configuration data /etc/ssh_config
> mustang: Allocated local port 1023.
> mustang: Connecting to 192.168.14.79, port 22.
> mustang: Remote version string: SSH-1.99-OpenSSH_3.9p1
> 
> mustang: Remote protocol version 1.99, remote software version
> OpenSSH_3.9p1
> mustang: Net::SSH::Perl Version 1.30, protocol version 2.0.
> mustang: No compat match: OpenSSH_3.9p1.
> mustang: Connection established.
> mustang: Sent key-exchange init (KEXINIT), wait response.
> mustang: Algorithms, c->s: blowfish-cbc hmac-sha1 none
> mustang: Algorithms, s->c: blowfish-cbc hmac-sha1 none
> mustang: Entering Diffie-Hellman Group 1 key exchange.
> mustang: Sent DH public key, waiting for reply.
> Received disconnect message: Bad packet length 167772160.
> at /usr/lib/perl5/site_perl/5.8.5/Net/SSH/Perl/Kex/DH1.pm line 41
> 
> 
> Here is the output (debug3) of the server.
> 
> Dec 11 20:47:08 mustang sshd[3321]: debug3: fd 4 is not O_NONBLOCK
> Dec 11 20:47:08 mustang sshd[3362]: debug1: rexec start in 4 out 4
> newsock 4 pipe 6 sock 7
> Dec 11 20:47:08 mustang sshd[3321]: debug1: Forked child 3362.
> Dec 11 20:47:08 mustang sshd[3321]: debug3: send_rexec_state: entering
> fd = 7 config len 367
> Dec 11 20:47:08 mustang sshd[3321]: debug3: ssh_msg_send: type 0
> Dec 11 20:47:08 mustang sshd[3321]: debug3: send_rexec_state: done
> Dec 11 20:47:08 mustang sshd[3362]: debug1: inetd sockets after
> dupping: 3, 3
> Dec 11 20:47:08 mustang sshd[3362]: Connection from 192.168.14.79 port
> 1023
> Dec 11 20:47:08 mustang sshd[3362]: debug1: Client protocol version
> 2.0; client software version 1.30
> Dec 11 20:47:08 mustang sshd[3362]: debug1: no match: 1.30
> Dec 11 20:47:08 mustang sshd[3362]: debug1: Enabling compatibility
> mode for protocol 2.0
> Dec 11 20:47:08 mustang sshd[3362]: debug1: Local version string
> SSH-1.99-OpenSSH_3.9p1
> Dec 11 20:47:08 mustang sshd[3362]: debug2: fd 3 setting O_NONBLOCK
> Dec 11 20:47:08 mustang sshd[3362]: debug2: Network child is on pid
> 3363
> Dec 11 20:47:08 mustang sshd[3362]: debug3: preauth child monitor
> started
> Dec 11 20:47:08 mustang sshd[3362]: debug3: mm_request_receive
> entering
> Dec 11 20:47:08 mustang sshd[3362]: debug1: do_cleanup
> Dec 11 20:47:08 mustang sshd[3362]: debug1: PAM: cleanup
> Dec 11 20:47:08 mustang sshd[3362]: debug3: PAM: sshpam_thread_cleanup
> entering
> 
> Shiv