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Web Adaptor machine in DMZ or internal network?

Question asked by geonetadmin on Dec 7, 2012
Latest reply on Dec 8, 2012 by
Original User: smenefee

Our initial design was to place the web adaptor machine in our DMZ per a diagram we followed back in May 2012:


However, I'm now seeing a new diagram showing the web adaptor within the internal network:


Is there any value in having the web adaptor (better security, etc) in the DMZ as opposed to the internal network?  Currently we have it in the DMZ and are having a hard time getting our flex web application to read the services.  Having it internal might alleviate some of the communication issues between it and the ArcGIS Server machine on our internal network (because the web adaptor and gis server would both be internal).  So, what would be the reason to put the web adaptor in the DMZ vs in the internal network?

Any help would be appreciated, thank you!