Start FreeRadius 4.0 with rlm_tacacs failed due to segV error

[Alan DeKok]

On Apr 24, 2025, at 11:32 AM, bryan xiang <bryanxiang82 at gmail.com> wrote:
> 
> Thank you Alan for the explanation
> that make sense to provide the attributes to TACACS+ when change protocol
> from Radius to TACACS+
> so beside the username/password, I need below attribute right?

  Yes... those are the attributes included with the server, in the TACACS dictionary files.  I'm aware of them.

> I can't assign the Packet-Type, even I use "Authentication" and 1, it will
> init the packet-type to 0
> for the namespace issue, I firstly type namespace as tacacs in the virtual
> server, but seems it can't receive Radius request from port 1812, so I
> changed namespace from tacacs to radius, then the FreeRadius begin to
> listen the port 1812
> do you mean in the modules/tacacs, I still need to specify the namespace as
> tacacs?

  What I said was to use the following configuration:

>> recv Access-Request {
>>        subrequest @tacacs::Authentication-Start {
>>                User-Name := parent.request.User-Name
>>                User-Name := parent.request.User-Password
>>                ... fill in other attributes here, from dictionary/tacacs/*
>> 
>>                tacacs
>> 
>>        }
>> 
>> 
>>  You will have to edit this and double-check it, but the basic concepts
>> are there.

  Instead of doing that, you're doing something else.  Why?

  Alan DeKok.