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Amixa Technical Blog

Month: June 2010

TS Gateway – the poor man’s GotoMyPC

Want to connect into your business network, but don’t want to spend the $$$ paying for multiple GoToMyPC accounts?  Well, if you have control over your firewall, a static IP, Windows Server 2008 or later on your business server, and enough technical expertise, you can likely use Terminal Services Gateway service (TS Gateway) to connect into…

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Using SPF on your domains…

It’s a good idea if you have a domain – and you have access to your DNS server, that you setup and use (properly) SPF records.  SPF = Sender Policy Framework.  This is an an e-mail validation system designed to prevent e-mail spam by addressing a common vulnerability, source address spoofing.  Here at Amixa, we…

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SSL Weak Encryption Algorithms – how to disable them under IIS

Chances are if you are reading this you’ve failed a “Trustkeeper Scan” – with “Low severity” – due to having weak SSL encryption algorithms enabled on IIS. It’s pretty easy to solve this, but if you read the microsoft KB article it looks pretty complicated. Launch regedit and go to this key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Ciphers You basically want…

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Disabling SSLv2 support in IIS

If you have undergone a “Trustkeeper Scan” and failed due to your Microsoft web server using SSLv2, then read on. NOTE: PLEASE READ THIS POST IN OUR BLOG HERE.  It is TWO YEARS NEWER and simplifies most of the tasks regarding SSL settings.   SSLv2 is considered a “medium” security risk and will cause your…

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Paymentech 9717 error message

If you are trying to process a transaction against the “live” Chase Paymentech payment gateway and get the following response code back: 9717 Security Information – agent/chain/merchant is missing the problem is that the IP address being used by your server, is not in the merchant approved IP address list with Chase Paymentech. You, or…

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