Secure Shell
simulate connection with netcat Jan 15 2011 08:19PM
guy mobi1e me (1 replies)
Re: simulate connection with netcat Jan 17 2011 05:43PM
Salvador Fandino (sfandino yahoo com) (2 replies)
Re: simulate connection with netcat Jan 17 2011 07:39PM
Felipe Martins (martins felipe security gmail com) (1 replies)
Re: simulate connection with netcat Jan 19 2011 05:49PM
guy mobi1e me (1 replies)
Re: simulate connection with netcat Jan 22 2011 05:18PM
Felipe Martins (martins felipe security gmail com) (1 replies)
Jake,

For non technical users you can use ssh as a CA, you can create to
each user a public key inside a USB Pendrive and them configure their
ssh clients (like a portable putty, and so) with that certificate (key).
This way they can authenticate to your server.

---
Felipe Martins
Security Analyst

Skype: martins.felipe
URL: http://www.felipemartins.info/
E-mail: martins.felipe.security (at) gmail (dot) com [email concealed]

On 19/01/2011 15:49, guy (at) mobi1e (dot) me [email concealed] wrote:
> Thanks for all advises.
> I actually don't need a full ssh implementation. The thing a wanted was a simple password-authentification for non-technical users without support for rsa-keys, remote execution etc.
> But it sounds to complicated for a side-project...
>
> Problem solved. Not quite the solution I hoped for but anyway...
>
> regards,
> jake
>
>
> On Jan 17, 2011, at 8:39 PM, Felipe Martins wrote:
>
>> When you try to connect to a SSH Server it exchanges a session key, you would have to give that to the server before authentication.
>> Like Salva said, it's far more complicated than that.
>>
>> Best Regards
>>
>> ---
>> Felipe Martins
>> Security Analyst
>>
>> Skype: martins.felipe
>> URL: http://www.felipemartins.info/
>> E-mail: martins.felipe.security (at) gmail (dot) com [email concealed]
>>
>>
>> On 17/01/2011 15:43, Salvador Fandino wrote:
>>>
>>>
>>> ----- Original Message ----
>>>> From: "guy (at) mobi1e (dot) me [email concealed]"<guy (at) mobi1e (dot) me [email concealed]>
>>>> To: secureshell (at) securityfocus (dot) com [email concealed]
>>>> Sent: Sat, January 15, 2011 9:19:15 PM
>>>> Subject: simulate connection with netcat
>>>>
>>>> Hello,
>>>>
>>>> my long-term intention is to write a cross-platform GUI-authpf-client
>>>> without using libssh or libssh2. Before I get into that I'd like to simulate
>>>> the ssh-connection/authentication via netcat.
>>>> I took a look at the RFCs but don't get it working.
>>>>
>>>> % nc 127.0.0.1 22
>>>> SSH-2.0-OpenSSH_5.2
>>>> SSH-2.0-OpenSSH_5.2<-- entered by me
>>>> ... a lot of text ...
>>>>
>>>> What do I enter now to authenticate?
>>>> My attempts resulted in "Packet corrupt".
>>> SSH uses a binary protocol. Getting authenticated is far more complex than
>>> writting something at your keyboard by hand.
>>>
>>> You can find pointers to the related RFCs here:
>>> http://en.wikipedia.org/wiki/Secure_Shell
>>>
>>> - Salva

[ reply ]
Re: simulate connection with netcat Jan 24 2011 05:54PM
guy mobi1e me
Re: simulate connection with netcat Jan 17 2011 06:08PM
niklas|brueckenschlaeger (niklas brueckenschlaeger de)


 

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