AD domain authentication ports

I'm trying to let a subnet on my network  trough to our Domain DC on only the ports necessary for Domain authentication.
Which ports do I need to open?
LVL 1
wannabecraigAsked:
Who is Participating?

[Product update] Infrastructure Analysis Tool is now available with Business Accounts.Learn More

x
I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

h1r0Commented:
Check out KB 179442
Toni UranjekConsultant/TrainerCommented:
Only for authentication?

Because, otherwise there are plenty of ports to open.

Active Directory and Active Directory Domain Services Port Requirements
https://technet.microsoft.com/en-us/library/dd772723(v=ws.10).aspx

Experts Exchange Solution brought to you by

Your issues matter to us.

Facing a tech roadblock? Get the help and guidance you need from experienced professionals who care. Ask your question anytime, anywhere, with no hassle.

Start your 7-day free trial
David Johnson, CD, MVPOwnerCommented:
Barest of minimums
464/TCP/UDP  Kerberos Password Change
88/TCP/UDP      Kerberos
DC Locator      UDP      389
It's more than this solution.Get answers and train to solve all your tech problems - anytime, anywhere.Try it for free Edge Out The Competitionfor your dream job with proven skills and certifications.Get started today Stand Outas the employee with proven skills.Start learning today for free Move Your Career Forwardwith certification training in the latest technologies.Start your trial today
Active Directory

From novice to tech pro — start learning today.