[ACS 5.2] Administration of switch using SSH

Hello

I want to use LDAP accounts to manage the switches.

It works fine when I use telnet.

I just need to push the RADIUS-Service attribute of connection (ID 15) with the value of Telnet (ID 0)

Now, I want to use SSH (for security reasons)

RADIUS must push the RADIUS-Service connection (ID 15) attribute with the value of SSH (ID 50)

(For example with the belt steel RADIUS http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&taskId=110&prodSeriesId=4174801&prodTypeId=12883&objectID=c02602225 )

SSH value does not exist in the dictionary of the IETF RADIUS for Login-Service attribute.

I can't create value SSH because this dictionary is protected...

Is there a solution?

Thank you

Patrick

Hello Patrick,.

GBA 5.x will not allow change/remove/add attribute to the IETF RADIUS dictionary values as it is standard and reserved.

If you check the RADIUS RFC to http://www.ietf.org/rfc/rfc2865.txt under the description of the Service connection the SSH service is not listed there:

5.15.  Login-Service
   Value       The Value field is four octets.        0   Telnet        1   Rlogin        2   TCP Clear        3   PortMaster (proprietary)        4   LAT        5   X25-PAD        6   X25-T3POS        8   TCP Clear Quiet (suppresses any NAS-generated connect string)

5.x access control system will not need to modify these dictionaries as IETF RADIUS to the documented standards.

The best approach at this point would be to contact the seller of switches to determine how to enable SSH on these devices.

I hope this helps. Kind regards.

Tags: Cisco Security

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