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what is the ciphering strength of firefox 8.0.1

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what is the encryption level supported by firefox 8.0.1...

what is the encryption level supported by firefox 8.0.1...

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If websites complain about 128 bit encryption not available then that can be caused by the "U;" that is no longer present in the user agent of Firefox 4+ versions.

Firefox supports 256 bit encryption ciphers (AES-256) since 2003 in Firebird 0.6.