Do we need a certificate for App A to talk to App B on the same server?

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i advice if need secure communication between either application talking application b on same server or application talking database on same physical box/server.  purpose of discussion let's these iis web apps running on windows server 2008 r2.  , sake of discussion lets passing personally identifiable information (pii) data/information.  keep in mind servers in secure computer room, , yes use passwords log in operating system , perhaps passwords log in applications , database.  when users access information browsers on workstations of course it's ssl connection using certificate, question should use certificates intraserver communication?

no, because there no actual network traffic (even though there loopback network adapter).
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Windows Server  >  Security



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