[ale] more fun with ssh

Wolf Halton wolf.halton at gmail.com
Sun Aug 12 19:15:04 EDT 2012


thanks.

http://evergreen-community-01.lyrasistechnology.org
http://sourcefreedom.com
Apache developer:
wolfhalton at apache.org
On Aug 12, 2012 5:49 PM, "Jim Kinney" <jim.kinney at gmail.com> wrote:

> You can force version 2 only in confug. Ssh_version 2 is setting I think.
> On Aug 12, 2012 11:01 AM, "Wolf Halton" <wolf.halton at gmail.com> wrote:
>
>>
>>
>> On Sun, Aug 12, 2012 at 10:37 AM, Wolf Halton <wolf.halton at gmail.com>wrote:
>>
>>>
>>>
>>> On Sun, Aug 12, 2012 at 10:32 AM, Wolf Halton <wolf.halton at gmail.com>wrote:
>>>
>>>>
>>>>
>>>> On Sun, Aug 12, 2012 at 10:19 AM, Jim Kinney <jim.kinney at gmail.com>wrote:
>>>>
>>>>> It still tries to resolve the ip to a host name. If you're not using
>>>>> dns for that segment, put a name in etc/hosts.
>>>>> On Aug 12, 2012 9:52 AM, "Wolf Halton" <wolf.halton at gmail.com> wrote:
>>>>>
>>>>>> Why would one of the hosts in my network take a very long time (over
>>>>>> 10 seconds) to negotiate a connection from another host on the same lan.
>>>>>> Using IP address only, no DNS resolution involved.
>>>>>>
>>>>>> This would only be an interesting  oddity if it didn't time out
>>>>>> nagios checks.
>>>>>>
>>>>>> Wolf
>>>>>>
>>>>>> http://evergreen-community-01.lyrasistechnology.org
>>>>>> http://sourcefreedom.com
>>>>>> Apache developer:
>>>>>> wolfhalton at apache.org
>>>>>>
>>>>>> _______________________________________________
>>>>>> Ale mailing list
>>>>>> Ale at ale.org
>>>>>> http://mail.ale.org/mailman/listinfo/ale
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>>>>>> http://mail.ale.org/mailman/listinfo
>>>>>>
>>>>>>
>>>>> _______________________________________________
>>>>> Ale mailing list
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>>>>>
>>>>>
>>>> debug1: Local version string SSH-2.0-OpenSSH_5.3p1 Debian-3ubuntu7
>>>> debug1: SSH2_MSG_KEXINIT sent
>>>> debug1: SSH2_MSG_KEXINIT received
>>>> debug1: kex: server->client aes128-ctr hmac-md5 none
>>>> debug1: kex: client->server aes128-ctr hmac-md5 none
>>>> debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent
>>>> debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP
>>>> debug1: SSH2_MSG_KEX_DH_GEX_INIT sent
>>>> debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY
>>>> debug1: Host '192.168.10.56' is known and matches the RSA host key.
>>>> debug1: Found key in /home/nagios/.ssh/known_hosts:32
>>>> debug1: ssh_rsa_verify: signature correct
>>>> debug1: SSH2_MSG_NEWKEYS sent
>>>> debug1: expecting SSH2_MSG_NEWKEYS
>>>> debug1: SSH2_MSG_NEWKEYS received
>>>> debug1: SSH2_MSG_SERVICE_REQUEST sent
>>>> debug1: SSH2_MSG_SERVICE_ACCEPT received
>>>> %% slowdown is right here %%
>>>> debug1: Authentications that can continue: publickey,password
>>>> debug1: Next authentication method: publickey
>>>> debug1: Trying private key: /home/nagios/.ssh/identity
>>>> debug1: Offering public key: /home/nagios/.ssh/id_rsa
>>>> debug1: Server accepts key: pkalg ssh-rsa blen 277
>>>> debug1: read PEM private key done: type RSA
>>>> debug1: Authentication succeeded (publickey).
>>>> debug1: channel 0: new [client-session]
>>>> debug1: Requesting no-more-sessions at openssh.com
>>>> debug1: Entering interactive session.
>>>> debug1: Sending environment.
>>>> debug1: Sending env LANG = en_US.UTF-8
>>>>
>>>> Why would only this host have that slow-down and none of the others?
>>>> --
>>>> This Apt Has Super Cow Powers - http://sourcefreedom.com
>>>> Open-Source Software in Libraries - http://FOSS4Lib.org
>>>> Advancing Libraries Together - http://LYRASIS.org
>>>> Apache Open Office Developer wolfhalton at apache.org
>>>>
>>>>
>>> How would I get it to NOT check reverse DNS?
>>> http://ubuntuforums.org/showthread.php?t=1699197
>>>
>>> "Just add the parameter "UseDNS no" on /etc/ssh/sshd_config" to the
>>> remote host I am shelling into?
>>>
>>> --
>>> This Apt Has Super Cow Powers - http://sourcefreedom.com
>>> Open-Source Software in Libraries - http://FOSS4Lib.org
>>> Advancing Libraries Together - http://LYRASIS.org
>>> Apache Open Office Developer wolfhalton at apache.org
>>>
>>>
>> Well adding the nagios server to the /etc/hosts file of the slowpoke,
>> worked for that server, and adding the "UseDNS no" parameter to the
>> /etc/sshd_config file on the slowpoke made other local servers access it
>> properly.
>> Now my question is, "Why does the system have to convert to SSH type I
>> and how do I get it to use type II?
>>
>> --
>> This Apt Has Super Cow Powers - http://sourcefreedom.com
>> Open-Source Software in Libraries - http://FOSS4Lib.org
>> Advancing Libraries Together - http://LYRASIS.org
>> Apache Open Office Developer wolfhalton at apache.org
>>
>>
>> _______________________________________________
>> Ale mailing list
>> Ale at ale.org
>> http://mail.ale.org/mailman/listinfo/ale
>> See JOBS, ANNOUNCE and SCHOOLS lists at
>> http://mail.ale.org/mailman/listinfo
>>
>>
> _______________________________________________
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> http://mail.ale.org/mailman/listinfo
>
>
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