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 Post subject: IPv6 traffic
PostPosted: Thu Oct 25, 2012 10:04 pm 
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Senior Member

Joined: Thu Oct 08, 2009 5:07 pm
Posts: 99
Hi

Linode graphs show that some IPv6 traffic is happening on my web server on my Linode. I have no experience of IPv6 and haven't specifically set it up... is this something I should be disabling, perhaps in my network scripts to turn off IPv6 auto configuration?


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 Post subject: Re: IPv6 traffic
PostPosted: Thu Oct 25, 2012 10:14 pm 
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Sysop

Joined: Sat Nov 27, 2010 3:32 am
Posts: 180
Website: https://blog.timheckman.net/
Location: San Francisco, CA
That's just regular IPv6 background traffic (router advertisements, neighbor solicitations). You should not be disabling IPv6, and should be learning about it so that your products/services will also allow people to access them over IPv6. Not learning about IPv6 now could lead to problems in the future, especially as IPv6 usage is steadily increasing and the availability of IPv4 addresses is rapidly decreasing to zero.

-Tim

_________________
'If debugging is the process of removing bugs, then programming must be the process of putting them in.' //Edsger Dijkstra
'Nothing is withheld from us which we have conceived to do.' | 'Do things that have never been done.' //Russell Kirsch


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 Post subject: Re: IPv6 traffic
PostPosted: Thu Oct 25, 2012 10:31 pm 
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Senior Member

Joined: Thu Oct 08, 2009 5:07 pm
Posts: 99
Hi Tim

Thanks for your reply. I'll read up on it.

The traffic seems quite high for just background traffic:

https://dl.dropbox.com/u/734027/traffic.PNG


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 Post subject: Re: IPv6 traffic
PostPosted: Thu Oct 25, 2012 10:49 pm 
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Sysop

Joined: Sat Nov 27, 2010 3:32 am
Posts: 180
Website: https://blog.timheckman.net/
Location: San Francisco, CA
That's definitely not background traffic. I'd suggest running tcpdump if it happens again to see what it may be.

_________________
'If debugging is the process of removing bugs, then programming must be the process of putting them in.' //Edsger Dijkstra
'Nothing is withheld from us which we have conceived to do.' | 'Do things that have never been done.' //Russell Kirsch


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 Post subject: Re: IPv6 traffic
PostPosted: Thu Oct 25, 2012 10:51 pm 
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Senior Member

Joined: Thu Oct 08, 2009 5:07 pm
Posts: 99
Will do.


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 Post subject: Re: IPv6 traffic
PostPosted: Sat Oct 27, 2012 12:46 am 
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Senior Member

Joined: Thu Oct 08, 2009 5:07 pm
Posts: 99
It was API traffic to Facebook via IPv6. Facebook are smart.

I used the command:
tcpdump ip6


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