Hi All,
Is it possible to combine RSSO and FSSO on the sametime ?
I want to configure the policy using FSSO group becasue FSSO Group is more granular for the grouping as we can choose or retrieve the SG / OU on the AD which we want to add. And in the sametime i want fortigate to lookup on the RSSO authentication table list for IP to User mapping. Because RSSO is more reliable fof IP to User mapping. However i dont want to add attribute class on the Radius Server. So basically i just want to use RSSO to get the IP to user mapping information, and use FSSO group on the Policy.
Is it possible ? any advice ?
Thanks
akala
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Hi Debbie,
Thank you for the replies. That's great! that's the information i was looking for this couple days!
So instead of using RSSO, i can use Collector Agent, and send the Radius Accounting to Collector Agent.
Regarding the Collector Agent,
1. do i need to install the collector agent on the LDAP Server or i can install collector agent on any computer ? i red that installing collector agent requires to restart the host, is it correct ?
2. is there any configuration need to be done on the Collector Agent, so it can parse the radius accounting messages and add the users to FSSO user list? any reference for integration between radius and collecor agents?
Again, thank you for your advice.
Hey akala,
apologies, I was under the impression you're already using Collector Agent for FSSO, and the integration would have been fairly easy then.
If you are not using Collector Agent, can you let me know if you're polling from FortiGate directly, or using FortiAuthenticator to collect and provide FSSO information?
If you use FortiAuthenticator, you can do essentially the same (send RADIUS accounting to FortiAuthenticator, turn that into FSSO and share with FortiGate), but if you're polling AD directly from FortiGate, this would in fact require setting up a Collector Agent (and you could consider shifting your polling from FortiGate to Collector Agent, as Collector Agent offers more configuration options for that, and load on FortiGate itself would be reduced).
In either case, for Collector Agent setup:
- it needs to run on a server in your AD environment (that server can't also host a FortiClient EMS application), but it doesn't have to be a domain controller
https://docs.fortinet.com/document/fortigate/6.0.0/cookbook/573568/installing-the-fsso-agent
https://docs.fortinet.com/document/fortigate/6.0.0/cookbook/615946/agent-based-fsso-for-windows-ad
-> there could be conflict if you have an NPS role on the same server as the default port of 1813 might overlap
- you need to enable RADIUS accounting in the advanced settings on Collector Agent:
Hey akala,
you can do something like this with the following setup:
- instead of RSSO on FortiGate, send accounting to collector agent
- Collector Agent can parse the radius accounting messages and add the users to FSSO user list
- Collector Agent then checks LDAP for group info
- Collector Agent sends logins from RADIUS accounting as FSSO logins (with FSSO groups) to FortiGate
- On FortiGate, you would just see FSSO users, but some of those FSSO users come from RADIUS Accounting indirectly
Hi @Debbie_FTNT I just wanted to ask one thing around sending RADIUS Accounting to the collector agent.
If we forward Accounting to the FortiGate for RSSO session creation, there is the 'set rsso-flush-ip-session' command available which we can use to NOT close a session if an Accounting Stop is received.
Is there a way to be able to do this if we're sending RADIUS Accounting via the agent and not direct to the FortiGate?
Hey Paccers,
sorry, I only just saw your post. To my knowledge, there is no such setting on Collector Agent, sorry.
Hi Debbie,
Thank you for the replies. That's great! that's the information i was looking for this couple days!
So instead of using RSSO, i can use Collector Agent, and send the Radius Accounting to Collector Agent.
Regarding the Collector Agent,
1. do i need to install the collector agent on the LDAP Server or i can install collector agent on any computer ? i red that installing collector agent requires to restart the host, is it correct ?
2. is there any configuration need to be done on the Collector Agent, so it can parse the radius accounting messages and add the users to FSSO user list? any reference for integration between radius and collecor agents?
Again, thank you for your advice.
Hey akala,
apologies, I was under the impression you're already using Collector Agent for FSSO, and the integration would have been fairly easy then.
If you are not using Collector Agent, can you let me know if you're polling from FortiGate directly, or using FortiAuthenticator to collect and provide FSSO information?
If you use FortiAuthenticator, you can do essentially the same (send RADIUS accounting to FortiAuthenticator, turn that into FSSO and share with FortiGate), but if you're polling AD directly from FortiGate, this would in fact require setting up a Collector Agent (and you could consider shifting your polling from FortiGate to Collector Agent, as Collector Agent offers more configuration options for that, and load on FortiGate itself would be reduced).
In either case, for Collector Agent setup:
- it needs to run on a server in your AD environment (that server can't also host a FortiClient EMS application), but it doesn't have to be a domain controller
https://docs.fortinet.com/document/fortigate/6.0.0/cookbook/573568/installing-the-fsso-agent
https://docs.fortinet.com/document/fortigate/6.0.0/cookbook/615946/agent-based-fsso-for-windows-ad
-> there could be conflict if you have an NPS role on the same server as the default port of 1813 might overlap
- you need to enable RADIUS accounting in the advanced settings on Collector Agent:
Hi Debbie,
thank you for the reply. actually we have not configure the FSSO yet on our deployment. Still planning how we will do it. Based on your information, i think the best way is to use collector agent. And send the radius accounting from the NPS to the CA.
So installing the CA on any computer which joined domain will works right ? is it require to restart the computer after installing the CA ?
Hi Debby,
Hope you are doing well !
Since we will send the radius accounting log to Collector Agent, is there any consideration for the disk space/disk requirement/ram on the Windows Server which the CA installed ?
Hey akala,
there shouldn't be any particular additional resource requirements that I'm aware of, though it depends a bit on how much RADIUS accounting you intend to send.
I would suggest to simply keep an eye on it, and if you notice a delay between RADIUS accounting and the user showing as authenticated, that indicates there may be a resource issue and additional memory/CPU may be required.
There should be no additional disk requirements; the largest disk requirements for Collector Agent is the log file, really.
One thing to be aware of:
- if the server running the Collector Agent also hosts an NPS, you might run into issues on listening on default port 1813, and you might need to change the RADIUS accounting port on Collector Agent to something else (and allow that port through the windows firewall)
Hello @Debbie_FTNT
I want to do the same as @akala , however I would need some advice. I have a working FSSO and now I would like to add only enumeration of users who log in with private devices via radius. I have both the Collector agent and NPS installed on the DC. In advanced settings I have enabled radius accounting, however I don't see anything in the firewall yet. Is there anything else I need to set up other than these settings?
Thank you.
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