July 2010
Intermediate to advanced
880 pages
32h 53m
English
Secure messaging in Exchange 2010 can be separated into three levels: network-based, session (or SMTP)–based, and client-based. It is important to understand at what level you want to implement protection. For example, if you implement network- or session-based security, messages are still not encrypted in a user's mailbox. Only client-based security does this. Alternatively you can also consider implementing security at every level, which definitely never can be reached.
Network-based security basically protects the communication on the network layer using protocols such as IPsec or VPN.
IPsec provides a set of extensions to the basic IP protocol and is used to encrypt server-to-server ...