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Does anyone know if a wildcard certificate is supported across all browsers: IE6, IE7, IE8, Firefox, Chrome and Safari? If I were to access the following secured sites sharing one wildcard certificate across all browsers, I won't be prompted by the browser:
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up vote -1 down vote accepted

Yes, they will work in all browsers as long as you configure them properly.

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The three addresses you listed there will work with a certificate for * Be careful with other names you might add in the future if they have more words separated by periods. The meaning of * for certificates is inconsistent between browsers. Some will match anything, others will match only one word separated by periods.        *    YES        *    YES    *    NO    *    NO
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The cert usually isn't the problem, but the issuing CA. Nowadays any major SSL provider is going to be compatible with 99% of browsers.

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