Which one is safer: Proxigen (DLLs) or WebService?

both methods can run over a HTTPS/SSL connection, boths are safe.
But, if you ask about DDL's ... I suppose you run on Windows and this is not safe!
 
There are some aspects to it which you might be concerned with when making your choice. Yes, it's true, both types of architectures

  1. Using proxies for .NET or Java to access the AppServer directly or utilizing the AIA (AppServer Internet Adapter) through a WebServer
  2. Using any technology that supports Web Services to access the OpenEdge AppServer utilizing the WSA (Web Service Adapter) through a Web Server
support HTTPS ( the SSL server certificate ) and therefore are equally "safe". But there is more to it:

OpenEdge 10 does not support the SSL client certificate which makes them "insecure" when you have a need for strong authentication. Most likely any strong authentication solution in any company will be based on it and most likely there will be in an infrastructure which provides an environment on a Web Server to cope with that needs. Most solutions I have seen provide such strong authentication information as additional attributes on the HTTP head - which can't be accessed on the AppServer and as the AIA and the WSA are black boxes there is no way around it. On the other side, WebSpeed provides you with functionality to access that HTTP header ...

Therefore, what might seem to be the simplest of questions might turn out to be a big challenge depending on your needs.

Heavy Regards, RealHeavyDude.
 
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