[Watford] SSH Questions

[Mark Stewart]

do you mean you store the path to the authorized_keys file in ldap? Or the
actual list of public keys?


On 16/09/2008, Neel Upadhyaya <bahulneel at gmail.com> wrote:
>
> You can offload this to ldap.  We do that here.
>
> 2008/9/16 Mark Stewart <markwstewart at gmail.com>
>
>> good - point. I want to avoid a PKI style role out - I'm looking at
>> ways of locking/changing location of the authorized_key file.
>>
>> On 16/09/2008, Yvan Seth <watford.lug.org.uk at malignity.net> wrote:
>> > On Tue, Sep 16, 2008 at 03:29:54PM +0100, Mark Stewart wrote:
>> >> Hi Magnus, thanks for your input. I think that what Yvan said is true
>> >> and that it will come down to policy even if I distributed the keys
>> >> myself as users can update their own authorized_keys file in their
>> >> .ssh folder. I guess if I get time I could police by locking down the
>> >> authorized_keys file so users can't update it but will involve some
>> >> testing.
>> >>
>> >> I could also check the authorized key file to ensure it only has keys
>> >> generated by me inside it. mmmm, I need to go and do some testing.
>> >
>> > Alas, Magnus's suggestion doesn't quite work.  You can distribute
>> > pre-passphrased keys but then your users (who obviously must know the
>> > passphrase) can "unwwap" the key to an unprotected version (see the
>> > ssh-keygen manpage.)  Assuming you have mischievous users.
>> >
>> > There is another completely different option... use an external key
>> > dongle of some kind.  See the -I option for the command-line SSH client.
>> > I've never seen this in action and have no idea what the caveats are.
>> > Top Google links for "ssh smartcard":
>> >     http://smartcard-auth.de/ssh-en.html
>> >     http://www.faqs.org/docs/Linux-HOWTO/Smart-Card-HOWTO.html
>> > (Question for further research: what's to stop someone from simply
>> > dumping the key data from the "smart" card?)
>> >
>> > -Yvan
>> >
>> > _______________________________________________
>> > Watford mailing list
>> > Watford at mailman.lug.org.uk
>> > https://mailman.lug.org.uk/mailman/listinfo/watford
>> >
>>
>> _______________________________________________
>> Watford mailing list
>> Watford at mailman.lug.org.uk
>> https://mailman.lug.org.uk/mailman/listinfo/watford
>>
>>
>
>
>
> --
> MCSE is to computers as McDonalds Certified Chef is to fine cuisine.
>
> _______________________________________________
> Watford mailing list
> Watford at mailman.lug.org.uk
> https://mailman.lug.org.uk/mailman/listinfo/watford
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mailman.lug.org.uk/pipermail/watford/attachments/20080916/5fb18a02/attachment.htm