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About this Add-on
Users can install this addon to disable DHE-based TLS cipher suites. This could result in websites that rely on those cipher suites becoming unreachable.
This addon tweaks the prefs
security.ssl3.dhe_rsa_aes_256_sha to false from their default of true. This disables the corresponding DHE cipher suites.
Installing this addon will override any changes you have made to these prefs. Once uninstalled, it will restore both to their default, re-enabling the cipher suites.