!!! Overview [{$pagename}] is a concept for [protocols] that allows the negotiation of [security] at the time of [Communication]. [{$pagename}] as a concept is to use the highest [security] that can be negotiated between the [entities] at this time. This concept allows [security] when available but might allows the communication to happen at possibly even as [Plaintext] [{$pagename}] Most commonly referred to within [Opportunistic encryption] or [Opportunistic TLS]. !! More Information There might be more information for this subject on one of the following: [{ReferringPagesPlugin before='*' after='\n' }]