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What LDAP ports do Active Directory and the Global Catalog use?

2017-05-10 08:42:06
Active Directory 

All LDAP ports are TCP. Global Catalog LDAP is read-only.

  • Domain Controller (DC)
    389

  • Domain Controller (DC) SSL
    636

  • Global Catalog (GC)
    3268

  • Global Catalog (GC) SSL
    3269

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