DISCUSSION 1:

Know Your VPN Building Blocks" Please respond to the following:

• Analyze the basic protocols involved in establishing a site-to-site VPN connection between two or more sites.
• Compare and contrast the differences between SSL-based VPNs and client-based VPNs. Describe cost benefits, ease of use, ease of management, ease of implementation, and scalability of each.

DISCUSSION 2:

Security at the IP " Please respond to the following:

• Examine the security characteristics of both IPv4, which is most prevalent in today's networks, and IPv6, which is up and coming. State and explain the major shortcomings of IPv4 that are now fixed or improved in IPv6.
• Address Translation is a creative way to add yet another layer of security for networks. Explain network address translation (NAT) and port address translation (PAT). Describe at least two separate scenarios in which you would use NAT and PAT respectively. Explain how it makes your network more secure.