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Author Topic: Does Tunnelbroker block fd00::/48?  (Read 633 times)

jea101

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Does Tunnelbroker block fd00::/48?
« on: November 17, 2016, 03:49:33 PM »

Does Tunnelbroker block fd00::/48 (IPv6 unique local addresses) from/to me via my tunnel?
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cholzhauer

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Re: Does Tunnelbroker block fd00::/48?
« Reply #1 on: November 17, 2016, 04:53:47 PM »

As you point out, these are local addresses, so how would they ever end up on your tunnel?
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jea101

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Re: Does Tunnelbroker block fd00::/48?
« Reply #2 on: November 17, 2016, 05:54:40 PM »

My router doesn’t currently block anything outgoing IPv6 so
fd00::/48 outbound is permitted by my router.
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cholzhauer

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Re: Does Tunnelbroker block fd00::/48?
« Reply #3 on: November 17, 2016, 06:01:03 PM »

You're missing my point. As you mentioned, these are link local, meaning they are relegated to staying inside your network. Even if your router passes them, other routers will drop them as they should not see this traffic
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jea101

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Re: Does Tunnelbroker block fd00::/48?
« Reply #4 on: November 17, 2016, 06:18:45 PM »

I agree that other routers should reject (preferred) or drop them.

FYI: Link local are fe80::/10 – not fd
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cholzhauer

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Re: Does Tunnelbroker block fd00::/48?
« Reply #5 on: November 17, 2016, 06:21:25 PM »

You're right, thanks for correcting me.

My point still stands though, and in the last post, you acknowledge it, unless you meant my screwup of FE80.

The addresses you ask about are equivalent to RFC1918 addresses in IPv4, thus even if you pass them, HE won't.
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broquea

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Re: Does Tunnelbroker block fd00::/48?
« Reply #6 on: November 17, 2016, 06:43:20 PM »

ULA is not routed over tunnels.
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