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Explain the difference between one-way trust and two-way trust

22 July,2021 by Rambler

Question: We're reviewing extending an application into a cloud provider. Part of the review requires analysing consequences of using one-way trust or two- way trust. Could you explain in simple terms the difference between one-way trust and & two-way trust 

Answer: In a Trust situation there is the Trusted domain and the Trusting domain. There is the concept of access and trust

For example , One-way trust  between Domain_1 and Domain_2  

Unidirectional access

If we wanted Domain_1 to access resources in Domain_2 - but the not the other way around, that would be classed as one-way trust .

Domain_1 outbound (Trusted Domain)

Domain_2 inbound  (Trusting Domain) 

 

For example , Two-way trust  between Domain_1 and Domain_2

Bidirectional access

If we wanted Domain_1 to access resources in Domain_2 - & Domain_2 to allow access to resources in Domain_1 that would be classed as two-way trust .

 

Domain_1 outbound & inbound (Trusted & Trusting Domain)

Domain_2 inbound & outbound (Trusted & Trusting Domain)

 

 

Some more reading on Active Directory

 List the differences between Kerberos and NTLM

 


Author: Rambler (http://www.dba-ninja.com)


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