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General Security Discussions
IPv6 is on the way..
As you know, IPv6 is very near.. IPv4 addresses are almost full (95%) so, a transition to a protocol which can handle many more IPs is a necessity.
The word is out that ISP's will deploy IPv6 as soon as possible. The transition to IPV6 will not happen during one day. Globally, during that transition period many ISP's at the US, UK, France, Greece etc plan to deploy CGN (Carrier Grade Nat).
The problem arises because IPv4 addresses are almost full. The idea of CGN is to assign private IP addresses to users and to perform NAT at the ISP level. With this, multiple hosts will be hidden behind a single IP address.
If this is the case, you can start living the security "nightmare" or in some cases "paradise" :)
Scenario 1: Suspicious activity detected against a website.
-Who is to blame? Who is behind this IP address?
Scenario 2: Rogue IPv6 traffic
- IPv6 can be used as an avenue for untraceable attacks.
- Are you monitoring IPv6 traffic?
- Are there many IPv6-aware firewalls & IDS & network management tools out there?
- IPv6 can be tunneled over IPv4
"Half of US CIOs have IPv6 on their networks that they don't know about" says Yanick Pouffary - Tech. director for the North America IPv6 Task force.
"With our high-speed Internet access â€” the U-verse and DSL product sets â€” our plan is to go carrier-grade NAT to reduce IPv4 consumption and 6rd for IPv6 end content over our network," says Fitzsimmons of AT&T.
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