Ali’s Knowledge Base
Destination Cloud …

Ali’s Knowledge Base

I have an internal firewall between sections of my network. What ports must I open to allow user and computer account authentication?

August 18th, 2004 . by Ali

Basic authentication on a network consists of several steps. First, the client locates a domain controller (DC), which requires DNS connectivity–port 53 on UDP and TCP. Next, the client performs a connectivity test by using a Lightweight Directory Access Protocol (LDAP) Ping–port 389 over UDP. Then, the client uses Kerberos (port 88 via UDP and TCP) and Server Message Block (SMB, port 445 via UDP and TCP) to complete the authentication to the DC. Therefore, you must enable all these ports.

1 Star2 Stars3 Stars4 Stars5 Stars (No Ratings Yet)
Loading ... Loading ...

This entry was posted on Wednesday, August 18th, 2004 at 11:03 pm and is filed under General. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

4 Responses to “I have an internal firewall between sections of my network. What ports must I open to allow user and computer account authentication?”

  1. comment number 1 by: online poker
    January 7th, 2005 at 10:37 pm

    This was a great site. I needed to find something for my Homework and This site helped me out so much! Thanx alot!!!!

  2. comment number 2 by: phentermine
    January 17th, 2005 at 4:25 am

    Hi! Nice site you got there!

  3. comment number 3 by: Anonymous
    January 18th, 2005 at 11:49 am

    Hi, I really apreciated this website! Thanks

  4. comment number 4 by: Anonymous
    January 24th, 2005 at 10:39 am

    Please visit the sites dedicated to… Thanks!!!

Leave a Reply

Name

Mail (never published)

Website