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Disabling DCOM in an A.D. domain

Posted on 2014-01-09
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Last Modified: 2014-01-11
During a recent internal security audit, our Qualys scanner flagged a Sev3 vuln on our servers. It is a generic vuln for DCOM being enabled (QID 90042)

It suggested disabling DCOM which seems easy enough to do. My question is whether or not there may be adverse effects in an A.D. domain.

http://technet.microsoft.com/en-us/library/cc771387.aspx
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Question by:Schuyler Dorsey
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Will Szymkowski earned 2000 total points
ID: 39771484
It is probably not a good idea to "disable" this, depending on the applicaitons you are running in your environment. Some applicaitons require this and disabling it can/will break it. Are you sure that this Qualys was not generating a false positive? Usually when there are security holes with com or dcom there are security patches released to correct the vulnerability.

Take a look at the below link for detail description of dcom and it's exact function. From there you can make the decision if you want to disable this in your environment.

DCOM - http://technet.microsoft.com/en-us/library/cc958799.aspx

Will.
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by:Coralon
ID: 39772942
There are a large number of applications and services that depend on DCOM.  I can't imagine a scenario where disabling DCOM wouldn't cause a problem?

I'd be looking enabling the firewalls and opening up DCOM as needed as an alternative.

Coralon
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Expert Comment

by:compdigit44
ID: 39774016
With any security scan you have to weight the results in proportion to your organization. For example security requirements for a Hospital would differ from that of a Research College. There is no one shoe fits!!!!
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