Tag Archives: security

Why Not NAT?

NAT came into existence because of IPv4 address scarcity. With IPv6, that reason disappears. So, if we no longer need to multiplex addresses, should we retain NAT?

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A simple IPv6 firewall for the Mikrotik

Once my little Mikrotik RB951-2n was working properly, I decided to give it a proper packet filter. My IPv6 hosts are all quite capable of defending themselves, but a packet filter at the border reduces traffic on the network, plus … Continue reading

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Into6 at NZNOG 2013

Well, NZNOG 2013 has come and gone – and Into6 was there! We delivered two IPv6 security tutorials and a half-hour talk on same. Attendance seemed good, and the level of interest was very high.

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Why you (yes, YOU) need IPv6

“There’s no business case for IPv6.” “There’s no killer app for IPv6.” “I still have plenty of IPv4 addresses.” And so on and so forth. Who knew that the IETF was so wrong when they decided in 1992 that the … Continue reading

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