Walt Mankowski via plug on 5 May 2020 19:30:14 -0700 |
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Re: [PLUG] Setting up ipv6 on ubuntu 20.04 |
On Tue, May 05, 2020 at 09:02:01PM -0400, Walt Mankowski via plug wrote: > On Tue, May 05, 2020 at 08:57:22PM -0400, Soren Harward wrote: > > On Tue, May 5, 2020 at 8:40 PM Walt Mankowski via plug < > > plug@lists.phillylinux.org> wrote: > > > > > Outgoing ipv6 seems to be working fine. However, I can only receive > > > incoming ipv6 connections from within my LAN (basically, my > > > laptop). DD-WRT has very few ipv6 settings so I thought it might be > > > getting blocked by the firewall on my linux box. > > > > > > > Have you checked the ipv6 firewall settings on the router? I know that > > OpenWRT's default is that ipv6 behaves similarly to NAT'd IPv4: outgoing > > connections okay, incoming connections not. > > I don't see any ipv6 firewall settings on the router. In fact the > DD-WRT online documentation [1] implies there aren't any: > > Keep in mind it can be dangerous to enable IPv6 without also having > a firewall on each client that handles IPv6 packets, or having > ip6tables on your router to filter incoming connections. ip6tables > is NOT included by default with DD-WRT, which means your clients > will be directly exposed to the Internet once you have enabled IPv6. So it turns out this is a bit outdated. ip6tables IS included in the latest firmware that I installed. I added some forward rules and now it seems to be working. Now to figure out how to make it persistent when it reboots... Walt
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