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> What percent of people who's ISPs use CG-NAT, don't even realize it?

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#1 2022-08-07 22:59:52

What percent of people who's ISPs use CG-NAT, don't even realize it?

99%?

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#2 2022-08-08 01:51:04

Re: What percent of people who's ISPs use CG-NAT, don't even realize it?

Sounds kind of like DECnet Phase IV Hidden Areas.  But, I date myself.
\
trev

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#3 2022-08-08 02:07:05

Re: What percent of people who's ISPs use CG-NAT, don't even realize it?

How would this affect anyone's life?

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#4 2022-08-08 12:56:55

Re: What percent of people who's ISPs use CG-NAT, don't even realize it?

What is this CG-NAT of which you speak and why should I care?

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CG-NAT Tech
#5 2022-08-08 14:00:09

Re: What percent of people who's ISPs use CG-NAT, don't even realize it?

What happens in CG-NAT, stays in CG-NAT

h2d3d

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#6 2022-08-08 15:44:03

Re: What percent of people who's ISPs use CG-NAT, don't even realize it?

wrote:

What is this CG-NAT of which you speak and why should I care?

this just shows you are part of the 99%

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#7 2022-08-08 16:57:00

Re: What percent of people who's ISPs use CG-NAT, don't even realize it?

Try running a vpn service at home, that you can connect to from outside, when your IP is pulling that shyt.  Good luck lol

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TEAM TROJAN MAGNUMS
#8 2022-08-09 06:08:44

Re: What percent of people who's ISPs use CG-NAT, don't even realize it?

wrote:

What is this CG-NAT of which you speak and why should I care?

It's a method the ISPs use to get around the fact they have more customers than IP addresses.  Basically, the ISP assigns you an address that's not globally routable then when you send packets out to the net it silently rewrites them to indicate another address that IS routable and then reverses the process on the packets that come back.

Should you worry about it?  If all your traffic is web browsing mail and streaming, then it likely won't affect you at all.  If you are running more unusual protocols or want to host an externally accessible server on your internal network, then it's likely to cause you problems.  The ISPs will typically not help you in this case and just tell you that if you want to run servers you need a business connection, not a domestic one.

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anon user #3
#9 2022-08-09 06:21:58

Re: What percent of people who's ISPs use CG-NAT, don't even realize it?

Yes, it is mainly because we are out of IPv4 addresses.  We need to migrate to IPv6.

But the thing about not being able to port forward or host an externally accessible server isn't necessarily true anymore.  See https://www.rfc-editor.org/rfc/rfc6887  They just need to properly implement PCP.

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TEAM TROJAN MAGNUMS
#10 2022-08-09 06:46:06

Re: What percent of people who's ISPs use CG-NAT, don't even realize it?

anon user #3 wrote:

Yes, it is mainly because we are out of IPv4 addresses.  We need to migrate to IPv6.

But the thing about not being able to port forward or host an externally accessible server isn't necessarily true anymore.  See https://www.rfc-editor.org/rfc/rfc6887  They just need to properly implement PCP.

But they generally don't, because the ISPs want to push people running servers onto their more expensive "professional" service classes, and the TOS for home broadband connections typically prohibit running servers on them anyway.

Obviously this is a commercial decision on the part of the ISPs and not actually a technical constraint.

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Chris P. Bacon
#11 2022-08-09 11:57:16

Re: What percent of people who's ISPs use CG-NAT, don't even realize it?

TEAM TROJAN MAGNUMS wrote:

If you are running more unusual protocols or want to host an externally accessible server on your internal network, then it's likely to cause you problems.  The ISPs will typically not help you in this case and just tell you that if you want to run servers you need a business connection, not a domestic one.

Well, DUH!  If you try to run a server on your home Comcast connection you're likely to have problems.

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#12 2022-08-09 12:16:23

Re: What percent of people who's ISPs use CG-NAT, don't even realize it?

Chris P. Bacon wrote:

Well, DUH!  If you try to run a server on your home Comcast connection you're likely to have problems.

Not everyone who runs a "server" is trying to host some huge website accessible by millions of people.  Some people want to run a "server" just so they can have an openvpn connection to computers on their home network, when traveling away from home.

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