15th January 2013
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Administrator
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Join Date: May 2008
Location: Budel - the Netherlands
Posts: 4,131
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Sheffield ISP: You don't need a whole IPv4 address to yourself, right?
From http://www.theregister.co.uk/2013/01/15/ipv4_nat/
Quote:
Facing the shortage of IPv4 addresses, and glacial adoption of IPv6, UK ISP PlusNet is looking for volunteers among its customers to test out sharing the IPv4 addresses on its network.
The technique being tested by PlusNet uses a NAT (Network Address Translator) to share a single internet-facing IP address between multiple customers, eking out the limited supply of addresses - but at the cost of denying incoming connections. That will screw up some users, which is why PlusNet is looking for volunteers, as it may prove acceptable to many.
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You don't need to be a genius to debug a pf.conf firewall ruleset, you just need the guts to run tcpdump
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