Trying to Fully Understand Setting IIS Permissions ...

I have had a couple people tell me different on setting permissions in IIS.  Once a person is "added" on the security tab, I click the "advanced" tab.  There are two check boxes at the bottom of the window:

1.  "Replace permission entries on all child objects with entries shown here that apply to child objects."
2.  "Inherit from the parent the permission entries that apply to child."

What do these mean exactly, and what are the advantages/disadvantages of checking these boxes and clicking apply?  I am afraid to check either for fear of erasing permissions on subfolders.  Any plain English response will be appreciated!

Thanks!  :o)
ODATechAsked:
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DireOrbAntConnect With a Mentor Commented:
1 means that you will carry those permission changes to all child object (subfolders and files in them).
2 means that you want to Inherit the permissions that are set on the parent folder and apply them here. If you check this, your changes won't make any difference because they will revert to what the parent folder has.

Structure:
c:\Parent\IISFolder\Child1
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ODATechAuthor Commented:
Thanks DireOrbAnt!  So if I check #1, will it erase all the other permissions set on the subfolders?
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DireOrbAntCommented:
Yes, it will reset them all to match what you just put in (plus what was there already).
So, if Administrator Full was there and you added Bob Read Only, then checking this will make this folder+files and all child folder+files have Administrator Full and Bob Read, nothing else.
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ODATechAuthor Commented:
Great!  I think that's what I want to do then.  I am bumping the points up 50 on this since the response was so quick!  This is a fabulous site for those of us who are not yet experts!  :o)
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