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Editorial Team
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Asked: 2026-05-13T16:00:48+00:00

I have been given the task of finding a replacement for a piece of

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I have been given the task of finding a replacement for a piece of old code. I’m assuming it tested to see if the browser supports 128-bit encryption. Here’s the old code: (I purposely split the link into 4 lines)


http://www.verisign.com/update-cgi/outPage.exe
?good=../docs/html/good.html
&nsbad=../docs/html/upgradeNSonly.html
&ie2=../docs/html/upgradeIEonly.html

Have you every seen this code before?
How can I duplicate this functionality inside a php page?

Clarification
The old webmaster found a link to verisign that that did the browser check. Verisign has since stopped supporting this link. Personally, I think we should simply tell our customers to click on the Help > About inside there browser and look for the cypher strength. If it’s not at least 128 then we simply tell them to upgrade there browser.

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1 Answer

  1. Editorial Team

    All modern browsers support 128 bit encryption out of the box. Do you have a need to support browsers older than IE 5.5?

    You could either check the User-Agent string of the browser and make assumptions, or you could direct them to a page that uses a 128 bit SSL certificate and if they continue through it.. well, they must support it.

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