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People still working in IT, thoughts on IPv6? (lemmy.world)

submitted 1 month ago by [email protected] to c/[email protected]

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Now currently I'm not in the workforce, but in the past from my work experience, apprenticeship and temp roles, I've always seen ipv4 and not ipv6!

Hell, my ISP seems to exclusively use ipv4 (unless behind nats they're using ipv6)

Do you think a lot of people stick with the earlier iteration because they have been so familiar with it for a long time?

When you look at a ipv6, it looks menacing with a long string of letters and numbers compared to the more simpler often.

I am aware the IP bucket has gone dry and they gotta bring in a new IP cow with a even bigger bucket, but what do you think? Do you yourself or your firm use ipv4 or 6?

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[–] [email protected] -3 points 1 month ago (2 children)

There are other benefits of NAT, besides address range. Putting devices behind a NAT is hugely beneficial for privacy and security.

[–] [email protected] 14 points 1 month ago

NAT is not a security feature. Your firewall blocks incoming traffic, not NAT. It introduces new complexity that now needs to be solved.

In corpo environments you have to struggle with NAT traversal for VoIP communication.

In home networks "smart" devices attempt to solve it with shit like uPnP and suddenly you get bigger holes in your network security than before. You could find countless home network printers on shodan because of this. Even though (or maybe because) they were "behind" NAT.

[–] [email protected] 12 points 1 month ago

IPv6 has temporary IPs for privacy reasons. NAT is NOT a firewall. Setting up a real firewall is more secure and gives you more control without things like UPNP and NAT-PMP.