It should be removed. The premise of this article seems to be to ridicule and belittle those who have studied the issue of IPv6 and reached a different conclusion than the author. Many unexplainable network and server issues were solved by disabling IPv6. Not going to stop any time soon. The issue is probably because most things don't even work with IPv6 yet so unless you know specifically that you need IPv6, better to just disable it.
The one thing that Microsoft has not up to this point has addressed is the need to augment their own firewall to allow IPv6 connections to work properly. By Microsoft's own default in their own firewall, much of IPv6's functionality is being filtered and that will actually reduce the speed of your IPv6 traffic. From the standpoint of security externally to a company or individual's WAN, its design is to provide tunneling support to and from external servers via authenticated encrypted tunnels.
The caveat is this, just because it's enabled and have all the rules in place, your software is what opens the encrypted tunnel through IPSec and not the other way around, IPSec only helps you create those tunnels by using shared libraries and architecture.
So IPSec on by default isn't anymore protected than no having it installed. Of course, on the flip side, leaving it enabled doesn't make it any less safe either. The additional tunnel coding support for each application and library over your network is a nightmare to upkeep. This is where the attack vector comes in. Computer and network security is a very fast moving target, what worked three months ago to stop attackers is no longer useful, to the point of being dangerous, if implemented.
IPSec, while it's baked in now, is no more safe than when it was an add-in, if your applications don't use IPSec's tunneling and other security features; it's not automatically protected, even though Microsoft says it is. Microsoft expects and believes that everyone is using those features in their code, this is where they're wrong, thus not all traffic over the network is safe.
I have a huge problem with IPV6. Everything was nice until I had children and these children reached 7yo. Now this is a major security flaw. It means either completely not allowing my children to access the internet on their own.
Or disabling IPV6 to make sure all traffic gets routed through IPV4 and thus gets proper DNS that won't give out address of websites where children have no business going to. It's not IPV6 in itself but rather poor implementation from Netgear Linksys, Cisco and other consumer grade routers that is the issue. But it's a real threat nonetheless. Hi, there are DNS servers with blocking options. You might want to give it a try. Jesus, these comments read like a bunch of grumpy old year old men that have been working on networks for their entire careers The same guys who are terrified of the cloud because it doesn't use subnets!
Buckle up Boomers, they are taking your infrastructure away and forcing you to adapt modern networking architectures and technologies. Yes, I am one of those grumpy old men who have been working on networks for their entire careers We wouldn't have made it this long in the business without learning new things as the ecosystem changed.
IPv6 is not production ready yet. When it is, those old guys who know a lot about networking will be using it. This article and it's responses seem to be an argument between the way things "have been", and the way things "could be". The author describes a great IT world that "could be". Unfortunately its not reality. Too many existing devices and software don't work that way. The solution can not be, to suggest we replace all of of our existing devices and software, vetting the new ones to see how they do or don't work with IPv6.
While I think the IT world the author describes would be nice, and is probably a great goal to work towards, I am one of those people who fear it. I fear it because I have had to and still have to troubleshoot when things go wrong. IPv6 isn't great because we no longer need to use a whole bunch of troubleshooting tools.
It is actually bad and scary because IPv6 takes those troubleshooting tools away. So far I haven't seen anyone saying how we troubleshoot problems with IPv6 other than to shut it off. And when IPv6 does frequently give us problems, shutting it off does solve those problems. So without any other troubleshooting tools, we will continue to shut it off when there are problems. And we will get it into our routines to shut it off on original install before anyone complains about the inevitable problems.
You want us to stop shutting it off. Then don't tell us how great it is. Tell us exact steps and tools to troubleshoot it WHEN it causes problems. Telling us to stop using our "old" routers and software is not an option. I'm an IT professional who prides himself in trying to learn at least one new thing every single day, so in no way can I be accused of clinging to the "old ways". Even if the registry key is set to disable IPv6, the check box in the Networking tab for each interface can be selected.
This is an expected behavior. Tools to help with network trace: Microsoft Network Monitor 3. Netmon 3. Use Message Analyzer instead. Feedback will be sent to Microsoft: By pressing the submit button, your feedback will be used to improve Microsoft products and services.
Privacy policy. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. Important Follow the steps in this section carefully. Note: These instructions have been tested with macOS Skip to main content. Information for:. Overview IPv6 is the next generation of internet transport protocol. Click on System Preferences in the dock. Select on Network option. If your system connects using an Ethernet cable, click Ethernet in the list along the left side of the Network window.
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