Laptop Battery Asp.Net version 2 was just recently released by Microsoft and
contains a feature rich set of classes that can do just about
anything imaginable. However if your thinking about hosting your
asp.net 2 site on a shared hosting environment there are a few
considerations you should know about before you take the plunge. If
you have already upgraded you may be wondering why your site that
was working fine in version 1.1 but now has problems working in
Asp.Net version 2.
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Thinkpad Code Access Security
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Microsoft If you receive one of those generic yellow error messages that
say something like the following:
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Laptop Computers Security Exception
2100, H4Zoom Audio Recorder (not amazing but it works), a Toshiba Satellite laptop (nothing special i upgraded the ram and bought an external 500gb hard drive.
Laptop Computer Description: The application attempted to perform an
operation not allowed by the security policy. To grant this
application the required permission please contact your system
administrator or change the application's trust level in the
configuration file.
During certain intervals in a day, the retailer's site became unaccessible altogether. A number of services, such as mail servers, websites, and proxy servers, would become unavailable to the online world. To make matters worse, the ISP could not find any issues, but customers were still complaining. After a "ping pong game" to determine the problems between the ISP and customers, Dotcom Monitor enables its "DNS Monitoring." Monitor tested the retailer's DNS servers by querying specified servers performing "IP resolution". Every minute, website monitoring showed that one DNS server was occasionally unable to resolve the address. This implied that the DNS server supporting the organization was not working consistently. The retailer upgraded the DNS server and the problem was resolved.
Desktop Computer Exception Details: System.Security.SecurityException:
Request for the permission of type 'System.Net.WebPermission,
System, Version=2.0.0.0, Culture=neutral,
PublicKeyToken=b77a5c561934e089' failed.
Notebooks The Reason? - Code Access Security!
Lenovo As it turns out many shared hosting companies are setting the
Security Trust level in the asp.net version 2.0 machine.config
files to the default "Medium" setting then locking it down so it
can't be overridden by the application.
Hard Drive This is great from hosting perspective but not so good if you
are a developer that uses asp.net functions like xml.load from
another website, webrequest, webclient, system.net, etc... or many
other classes that a default medium trust setting doesn't
allow.
Travelstar What can you do?
Gateway There are a number of considerations on how to rectify this
situation and the first is to contact your hosting company and ask
them to create a modified version of the medium trust
machine.config file to allow for the features you want to
implement.
Laptop Parts Microsoft has provided an article that describes this process
and if you're hosting company is not aware of it than shame on
them.
Software The article can be found here:
How To: Use Medium Trust in ASP.NET 2.0
Hard Drives Give this a good read as it explains not only how to modify
medium trust but also how to code for the medium trust
settings.
Electronics If that is not an option you might want to consider recoding
your entire website to conform to medium trust, not a very good
option, or moving to a hosting company that will work with you for
your particular needs.
Canon Allowing open socket connections is a security risk for a
hosting company, but if you can establish that your code is not
malicious a reputable hosting company should provide you with
proper security clearance to utilize the rich classes that asp.net
version 2.0 has to offer. After all they are claiming to sell you
asp.net version 2.0. And if you can't use version 2's classes than
you are not getting what you paid for.
Desktop Pc Over time there will need to be a balance between the hosting
companies security needs and the ability of a web developer to
utilize the classes that make asp.net version 2.0 so brilliant and
I hope that time comes sooner rather than later.
Desktop Computers John Belthoff is a Professional Audio Engineer and an Avid Web
Developer who plays and also teaches Jazz Guitar in his spare time.
His latest projects include the
Internet
Production Guide and he owns a small
Asp
Hosting Company. You can contact him at his personal web site
Studio
JB.
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