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ReturnUrl Formatting Issues?

I have some confusion about how the login mechanism is supposed to work 


An un-authenticated user tries to visit http://www.mysite.com/Support/Overview.aspx?a=1&b=2&c=3 

They land at the login page with a URL of: https://www.mysite.com/Login.aspx?returnurl=/Support/Overview.aspx?a=1&b=2&c=3 

After logging in the user ends up at a page that is missing the 2nd and 3rd URL params: http://www.mysite.com/Support/Overview.aspx?a=1 

I sort of understand what's going on - I've got a URL embedded withing a URL and it's getting confused by that second question mark. 

The redirect will work if the returnURL format is encoded to be: ?returnUrl=%2FSupport%2FOverview.aspx%3Fa%3D1%26b%3D2%26c%3D3 

How can I get this to work? 

Thanks, Greg

custom authentication
asked 5 months ago
Greg Griffin40
Greg Griffin
edited 5 months ago
Greg Griffin40
Greg Griffin

  • I'm noticing differences between my DEV and PROD servers. The DEV server properly encodes the returl URL, but the production environment doesn't encode it at all. What controls this behavior? - Greg Griffin 5 months ago

1 Answer

ReturnURL needs to be urlencoded, otherwise the parser can't properly decide, where parameter section starts. Regarding the difference of both installations: do they have same url format configuration in web.config?
answered 5 months ago Sebastian Leupold 697
Sebastian Leupold

  • What node(s) of the webconfig file should I be looking at? - Greg Griffin 5 months ago

  • We've determined that the URL's are not parsed correctly when using iFinity UrlMaster. If we revert back to the standard friendly URL provider then the redirect works correctly. - Greg Griffin 5 months ago

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