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dACL in ISE

jinapark
Cisco Employee
Cisco Employee

Hi team,

I'd like to know how dACL works in ISE and logon script.

I mean,for example user x needs to access file server (x.x.x.2 ) but in the first stage of cisco ise (machine authentication) X.X.X.2 isn’t permitted in the DACL so when the login script is applied this folder can't be access and it was hidden from shared folder in the my computer. So what is the solution to see those folders ? ( delay in the script or permit access in all stage of cisco ise )

1 Accepted Solution

Accepted Solutions

Craig Hyps
Advocate
Advocate

There is an excellent session on 802.1X available from ciscolive.com which covers the details of machine and user authentication and sequence of events (BRKSEC-3005).

802.1X Machine auth will happen first at Layer 2 and using RADIUS to pass machine auth credentials to ISE and then validated to AD server. The Windows client does not require access to any file server or AD until after machine auth. It doesn't even have an IP yet!  The network access device will authorize machine via RADIUS. At this point, ISE can return a dACL or other permission which allows DHCP, DNS, and access to the AD domain controller to the endpoint for user login.  After user login, then full access can be given to client.  If machine auth is not used, then it may be necessary to place port into Low Impact mode where DHCP, DNS, and AD access are granted prior to user auth.

/Craig

View solution in original post

4 Replies 4

Craig Hyps
Advocate
Advocate

There is an excellent session on 802.1X available from ciscolive.com which covers the details of machine and user authentication and sequence of events (BRKSEC-3005).

802.1X Machine auth will happen first at Layer 2 and using RADIUS to pass machine auth credentials to ISE and then validated to AD server. The Windows client does not require access to any file server or AD until after machine auth. It doesn't even have an IP yet!  The network access device will authorize machine via RADIUS. At this point, ISE can return a dACL or other permission which allows DHCP, DNS, and access to the AD domain controller to the endpoint for user login.  After user login, then full access can be given to client.  If machine auth is not used, then it may be necessary to place port into Low Impact mode where DHCP, DNS, and AD access are granted prior to user auth.

/Craig

Thank you so much for this super explanation as always!

I'll listen the session!

- Jina

thomas
Cisco Employee
Cisco Employee

Jina,

We have conveniently linked all of our Cisco Live sessions for you on our ISE Training page!

-Thomas

Thanks Thomas, it will help me a lot

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