What different ways are Machine Keys useful in asp.net? I think the following are correct but thought there may be more.
- Multiple applications can use the same cookie
- Multiple servers can work with the same viewstate
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1516answers:
3The values in the cookies and viewstate are encrypted based on the MachineKey. Could you say what else is being encrypted?
BenMaddox
2009-02-15 13:53:56
+4
A:
MachineKey is used for:
- ViewState encryption and validation
- Forms Authentication uses this key for signing the authentication ticket
Having a Web App installed on multiple servers requires same Machine Key configured on all of them in order for Load Balancing to work.
To see all details, please refer to: MSDN How To: Configure MachineKey in ASP.NET 2.0
Sergiu Damian
2009-02-15 17:03:34
+5
A:
Machine key is also used to encrypt/decrypt the webresources.axd parameters.
Even on a single server the machine key should be configured, because any recycle of the app domain will generate a new key when it is set to auto. This causes the next postback just for pages rendered before the recycle, to cause a viewstate validation error, and also issues with the resources during that time.
eglasius
2009-04-01 19:02:14