automating username/password when ssh to cisco router

automating username/password when ssh to cisco router
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Subject Author Date
automating username/password when ssh to cisco router BertieBigBollox@gmail.com 04-16-2008
Posted by Dave Uhring on April 18, 2008, 2:43 pm
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On Fri, 18 Apr 2008 18:11:06 +0000, Greg Andrews wrote:

>>Just absurd, implementing only part of a well established protocol.
>>
>>
> What's absurd is the assumption that the storage of a public key must
> follow the pattern of Unix ssh implmentations on devices that are not
> Unix.

You are quite right. Cisco is certainly entitled to break generally
accepted protocols.


Posted by Greg Andrews on April 18, 2008, 2:58 pm
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>On Fri, 18 Apr 2008 18:11:06 +0000, Greg Andrews wrote:
>
>>>Just absurd, implementing only part of a well established protocol.
>>>
>>>
>> What's absurd is the assumption that the storage of a public key must
>> follow the pattern of Unix ssh implmentations on devices that are not
>> Unix.
>
>You are quite right. Cisco is certainly entitled to break generally
>accepted protocols.
>

Perhaps you and I are talking about different things. I would agree
that a previous poster's description of scp failure is a bad thing.
However, I've been talking about the storage of a public key. Which
part of the SSH protocol says that public key storage must be in a
file in a filesystem?

-Greg
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Reply in the newsgroup.

Posted by Dave Uhring on April 18, 2008, 5:34 pm
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On Fri, 18 Apr 2008 18:58:31 +0000, Greg Andrews wrote:

>>You are quite right. Cisco is certainly entitled to break generally
>>accepted protocols.
>>
>>
> Perhaps you and I are talking about different things. I would agree
> that a previous poster's description of scp failure is a bad thing.
> However, I've been talking about the storage of a public key. Which
> part of the SSH protocol says that public key storage must be in a file
> in a filesystem?

If not in a file then where? RFC4252 states that public key
authentication is *required* in any SSH implementation and that key must
be kept someplace.

I suppose that Cisco could, at least theoretically, keep the public key
stored in a condom attached to an RJ45 port : >

Posted by Richard B. Gilbert on April 18, 2008, 6:04 pm
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Dave Uhring wrote:
> On Fri, 18 Apr 2008 18:58:31 +0000, Greg Andrews wrote:
>
>>> You are quite right. Cisco is certainly entitled to break generally
>>> accepted protocols.
>>>
>>>
>> Perhaps you and I are talking about different things. I would agree
>> that a previous poster's description of scp failure is a bad thing.
>> However, I've been talking about the storage of a public key. Which
>> part of the SSH protocol says that public key storage must be in a file
>> in a filesystem?
>
> If not in a file then where? RFC4252 states that public key
> authentication is *required* in any SSH implementation and that key must
> be kept someplace.
>
> I suppose that Cisco could, at least theoretically, keep the public key
> stored in a condom attached to an RJ45 port : >

The last time I looked, routers did not come equipped with disk drives!
No file system! Or, at least, none in the usual sense of the
expression. It does have flash PROM, NVRAM, or some reasonable
facsimile where it can store things like passwords and public or private
keys, configuration info, etc. I think floppy disks have more storage!!


Posted by Ivan Marsh on April 18, 2008, 6:21 pm
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On Fri, 18 Apr 2008 18:04:29 -0400, Richard B. Gilbert wrote:

> Dave Uhring wrote:
>> On Fri, 18 Apr 2008 18:58:31 +0000, Greg Andrews wrote:
>>
>>>> You are quite right. Cisco is certainly entitled to break generally
>>>> accepted protocols.
>>>>
>>>>
>>> Perhaps you and I are talking about different things. I would agree
>>> that a previous poster's description of scp failure is a bad thing.
>>> However, I've been talking about the storage of a public key. Which
>>> part of the SSH protocol says that public key storage must be in a
>>> file in a filesystem?
>>
>> If not in a file then where? RFC4252 states that public key
>> authentication is *required* in any SSH implementation and that key
>> must be kept someplace.
>>
>> I suppose that Cisco could, at least theoretically, keep the public key
>> stored in a condom attached to an RJ45 port : >
>
> The last time I looked, routers did not come equipped with disk drives!
> No file system! Or, at least, none in the usual sense of the
> expression. It does have flash PROM, NVRAM, or some reasonable
> facsimile where it can store things like passwords and public or private
> keys, configuration info, etc. I think floppy disks have more storage!!

My routers have considerably more storage space than a floppy.

PCMCIA Filesystem Compatibility Matrix and Filesystem Information
http://www.cisco.com/en/US/products/hw/routers/ps341/products_tech_note09186a00800a7515.shtml

--
"Remain calm, we're here to protect you!"


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