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06 November 2009
Configuring FTP 7.5 with Host Header and SSL
FTP 7.5 comes with new features like Host header and SSL. I recently saw some cases coming in from our customers on this. Scanning the Internet made me realize that we need more information posted on this as far as the configuration is concerned. If you Read More...
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16 September 2009
Using System.Net trace configuration file to troubleshoot Certificate errors in ASP.Net
System.Net trace configuration feature in ASP.Net 2.0 onwards is extremely useful when dealing with certificate related errors. Jeff P. Sanders from WinInet/System.Net API Escalation team has written this valuable post for troubleshooting ASP.Net certificate Read More...
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27 May 2008
SSL Troubleshooting for IIS Web Sites contd...
Recently a colleague of mine was working on a customer's case which was a Critical level incident. High pressure job, huhh! The issue was with SSL not working for one of their web sites. They were seeing "Page cannot be displayed" when trying to access Read More...
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03 January 2008
HTTP to HTTPS (SSL) Web Request Redirection
We often get requests from our customers asking how they can seamlessly redirect web requests from HTTP to HTTPS, i.e. how they can redirect a non-SSL request to an SSL based request. Recently a colleague of mine got a similar issue and we decided to Read More...
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07 December 2007
Certificate Trust List not being honored by IIS 5.0/6.0/7.0?
Something one should be aware of if one is dealing with Client certificate and assuming Certificate Trust List (CTL) will limit the list of Trusted Certificate Authorities (CA's) being sent to the client during the initial SSL handshake. In IIS 5.0 Post Read More...
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17 November 2007
Wildcard SSL certificate in IIS 6.0, Windows 2003 Sp1 and above
Here I will be talking about configuring SSL wildcard certificates in IIS 6.0 on Win2k3 SP1 and above. You may have a scenario wherein you want to have the same certificate installed for multiple Websites. Now in a normal scenarios this is not possible. Read More...
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07 November 2007
You get a Security Alert when you try to access an SSL enabled web site when certificate has been issued by an internal root CA...
Let's say you have your own internal Root Certificate Authority (CA) and you use it to grant server certificates to your Web sites. You are able to browse to your web site over SSL and can access the page. Things look good so far. However you get an unwanted Read More...
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05 September 2007
Troubleshooting SSL related issues with IIS
In this post I am going to discuss troubleshooting SSL server certificate related issues in IIS. Please remember I am no SSL expert...I am an IIS Asp.Net guy and will discuss issues with regard to SSL with IIS. We have seen a lot many times that the issues Read More...
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09 June 2007
Client Certificate revisited....How to troubleshoot client certificate related issues
Well, I am back to Client certificate again, guess the reason being a lot of support calls that we getting off late are related to any of the following four errors, especially the first two. 403.7 403.13 403.16 403.17 ( I will cover .16 and .17 very briefly Read More...
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