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[Tutorial] IPv6 and the Firewall


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#1
Ri03k

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IPv6 and the Firewall



More and more services are enabling IPv6.
More and more ISP's are supporting it to their end users.
And you should to!

Pro: Much Larger Address Space
Pro: Virtually Unlimited Host Addresses per Prefix
Pro: Stateless Autoconfig
Draw: No More IP Scanning



Please check the sources for more information about IPv6

Sources:

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Long story short. You don't need to portforward in IPv6
Why? Cause your ISP will give you a /64 prefix 2 to the power of 64 IPv6 adresses.


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This is my IPv6 subnet.


Spoiler



So you don't really need to port-forward. But there still is a Firewall that you'll need to configure.
You'll most likely get a screen like this or with similar options.



Spoiler



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accessing a service:
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Offering a service
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Sources:
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Destination: Host
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accessing a service:
1024:65535


offering a service:
Ex. SSH --> 22

Mode:
Accept
open up the firewall smile.gif

Drop
Drop everything close the firewall nothing will get through send no response ninja.gif

Block
Block the packet but your nice and send a reply to the client that the packet is being blocked pirate.gif

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