Tag Archives: active-directory

Investigating Kerboros with kinit and Wireshark

On the domain controller:

nslookup -q=SRV _kerberos._tcp.other.local
Server:  localhost
Address:  127.0.0.1

_kerberos._tcp.other.local      SRV service location:
          priority       = 0
          weight         = 100
          port           = 88
          svr hostname   = 7-dev-de-dc16.other.local
7-dev-de-dc16.other.local       internet address = 10.15.7.16
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Capturing LDAP traffic with WireShark

Select network interface:

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Active Directory Tombstones

A tombstone is a container object consisting of the deleted objects from AD. These objects have not been physically removed from the database. When an AD object, such as a user is deleted, the object technically remains in the directory for a given period of time; known as the Tombstone Lifetime.

Seeing with ldp.exe

Go to Options -> Controls

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How does replication work in Active Directory

There is a counter in RootDSE:

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Active Directory Global Catalog

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Configuring Reverse Reverse DNS Lookup zone

Click New Zone… in DNS Manager and click Next button until you see this page:

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Configuring Active Directory Trust Relationships

I created two domains and set up Conditional Forwarders on the both Domain Controllers:

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Creating an Active Directory domain

Installed the following on my second server:

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Active Directory DNS

Copy of DNS records are stored in AD

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Creating custom Attribute in Active Directory

Register MMC Snapin:

regsvr32 schmmgmt.dll

Press Windows Key + R, type mmc, and press Enter. Go to File->Add or Remove Snapin:

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