c# - Exception type: CryptographicException when using DNS in the website url -

c# - Exception type: CryptographicException when using DNS in the website url -

when trying access aspx page though direct ip working.

but when tried dns not working,

exception information:

exception type: cryptographicexception exception message: padding invalid , cannot removed.

working:-

<asp:hyperlink id="hyperlink1" runat="server" navigateurl="http://xx.xx.xx.xx.com:50/frsite/redd1.aspx">home page</asp:hyperlink></td></tr> <tr><td height ="14px">

not working:-

<asp:hyperlink id="hyperlink1" runat="server" navigateurl="http://fpt.test.com:50/frsite/redd1.aspx">home page</asp:hyperlink></td></tr> <tr><td height ="14px">

site hosted in windows http..

could body give thought going wrong.

c# asp.net windows