in reply to net::ssh:perl - sshd: debug1: need rekeying

Looks like your sshd server regenerates the session key at some interval. That's not unusual, that's a security feature. This shouldn't break your connection however, does it?
  • Comment on Re: net::ssh:perl - sshd: debug1: need rekeying

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Re^2: net::ssh:perl - sshd: debug1: need rekeying
by Anonymous Monk on May 09, 2005 at 12:47 UTC
    Yes, I Know :),

    But, data trasnfer hang.

    sshd_conf:
    ....
    #KeyRegenerationInterval 3600
    KeyRegenerationInterval 600
    ....

    i tried both
[reply]
      Well, I have no idea... Did you try to open an ssh connection, let it open and wait to see what's happening?
[reply]

        sorry my english..:)

        thist shell command perfect work:
        $ ssh mylinux "tar -cmvz /tmp/mp3" | > /tmp/mp3.tgz<br>

        [download]
        i think perl module bug (net::ssh::perl)
        full perl code:
        local file 
        #!/usr/bin/perl -w

use diagnostics;
#use strict;
use Net::SSH::Perl;
use IO::Handle;

open(FOUT, ">/tmp/test.out");
open(FERR, ">/tmp/test1.err");

##########################

$params{'protocol'} = '2';
$params{'port'} = '22';
$params{'debug'} = 'true';
$params{'interactive'} = 'false';
$params{'compression'} = 'false';
$params{'identity_files'} = [$ENV{HOME}."/.ssh/id_rsa"];
$params{'options'} = ["RSAAuthentication yes", 
            "PasswordAuthentication no", 
            "ConnectTimeout 10",
            "BatchMode yes",
            "FallBackToRsh no",
            "RhostsAuthentication no",
            "RhostsRSAAuthentication no",
            "KeepAlive yes"];

eval
{
    if ( $sshconn = Net::SSH::Perl->new("localhost", %params))
    {    

        $sshconn->login('op');
    
        $sshconn->register_handler("stdout", sub {
                my($outchannel, $outbuffer) = @_;
                print(FOUT $sshconn->type);
            });

        $sshconn->register_handler("stderr", sub {
                my($errchannel, $errbuffer) = @_;
                print(FERR $errbuffer->bytes);
            });

        ($ssherr, $ssherr, $sshexit) = $sshconn->cmd("/tmp/bufile.pl")
+;                
    
        $sshconn->cmd("exit"); 
    }
};

if ( $@ )
{ 
    warn $@;
}


close(FOUT);
close(FERR);

        [download]

        remote file:
        #!/usr/bin/perl -w


use diagnostics;
#use strict;
use IO::Handle;

STDOUT->autoflush(1);

print(STDERR "TAR START...\n");
system("tar -cmvzf /tmp/mp3.tgz /home/op/mp3");
print(STDERR "TAR END.\n");

        [download]

        logs:
        sshd: 
        Apr 27 16:22:38 mylinux sshd[32703]: debug2: channel 1: rcvd adjust 18
+039                                                                  
+                
Apr 27 16:22:38 mylinux sshd[32703]: debug2: channel 1: rcvd adjust 31
+113                                                                  
+                
Apr 27 16:22:38 mylinux sshd[32703]: debug1: need rekeying            
+                                                                     
+                
Apr 27 16:22:38 mylinux sshd[32703]: debug1: SSH2_MSG_KEXINIT sent    
+                                                                     
+                
Apr 27 16:22:38 mylinux sshd[32703]: debug2: channel 1: rcvd adjust 18
+039

        [download]

        ssh client (perl) debug output:
        mylinux: channel 1: window 1655 sent adjust 31113
mylinux: channel 1: window 14729 sent adjust 18039
mylinux: channel 1: window 1655 sent adjust 31113
mylinux: Warning: ignore packet type 20
mylinux: channel 1: window 14729 sent adjust 18039

        [download]
        please try this code. what is the problem? thank you very much!
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