Executive Summary In this secure messaging infrastructure, we have each network separated into three general sections, an external-incoming Internet, DMZ, and the internal network. The system begins with an outside mail server utilizing SMTP to send email to the company (outside the company’s perimeter). Next, the Internet […]
Name Description Countermeasures Replay Attack The attacker obtains a copy of an authenticated packet and then transmits it to the intended destination; this can disrupt services and cause other consequences. The Sequence Number field and Anti-replay Mechanism is used to prevent a Replay Attack. In an anti-replay […]
How are cookies used to prevent problems in Internet Key Exchange (IKE)? Also, why are they called cookies, and how are they similar or different to cookies used by Web sites to keep track of visitors? In IPsec, the Internet Key Exchange (IKE) utilizes cookies to prevent clogging […]
Securing The Universe 
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