Security. Set Access Rule(AccessRule)
Removes all access rules that contain the same security identifier and qualifier as the specified access rule in the Discretionary Access Control List (DACL) associated with this CommonObjectSecurity object and then adds the specified access rule.
protected void SetAccessRule (System.Security.AccessControl.AccessRule rule);
The access rule to set.
To avoid unintentionally allowing access to principals, applications should check for the existence of an allow everyone full access (AEFA) access control entry (ACE) and remove it before modifying a DACL.