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Is it okay to enable RFC 5746 (TLS Renegotiation Indication Extension) on my apache+openssl config?

What browsers / clients will I not be able to support if this extension is enabled?

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The notable exception is all versions of IE on Windows XP, which means those users will end up at the default name-based vhost (with whatever cert it happens to have).

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This question is about the renegotiation extension (RFC 5746), not the server name indication extension (RFC 3546 and its successors). – Bruno Jun 15 '12 at 19:35

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