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Sometimes, we joke, "My first child is a son and my second child is his father." How much helplessness is contained in this self-blackened joke.若是皇上不答应，未免就不近人情了。The moment the finger is released from the screen.你今年还留在国内过年？游晓似是随意地问。前边传来窸窸窣窣的声音，是春子爬回来了。Before performing an SSL data transfer, Both sides of the communication must first shake hands with SSL, The encryption algorithm has been negotiated to exchange the encryption key, Perform identity authentication, Normally, This SSl handshake process only needs to be performed once, But there is a Regegotiation option in the SSL protocol, It allows renegotiation of the secret key to create a new key, The attacker repeatedly carries out the key renegotiation process, and the key renegotiation process requires the server to invest 15 times more CPU computing resources than the client. In addition, even if the server does not support Renegotiation, the attacker can still create similar attack effects by opening a new SSL connection separately.