Using IP addresses for access control is very useful within company intranets (e.g. the engineering department has access but the marketing department does not). It can also provide pseudo-firewall capabilities to deny Internet access to bad guys, or only grant access to users from a specific company. When accompanied with user authentication, it provides an extra measure of security (known as two-factor authentication). Generally, authentication (or identification more specifically) is a function of:
Something you know (a username and password)
Something you have (a smartcard or IP address)
Something you are (biometrics)
Gary
Joel Rees wrote:
You can do theStupid question, but what exactly is the point of limiting access by IP
same things with Valves and Filters for free.
address? (IP addresses being spoofable, and all, ...)
-- Gary Gwin http://www.cafesoft.com
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