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Can anyone help with appropriate settings for ipv6? Unlike the previous iteration of the router (AC-68U) this one doesn’t give any options to change the lan prefix length to coordinate with BT as /56 rather than /64 I have it set in native mode and have tried messing around with the other settings (eg Static Ip) to no avail.
I fought with IPv6 on this router for months and in the end I gave up – it simply doesn’t work on BT Openreach services, either with the built in modem or an external Openreach one.
Oddly enough, I also have a Billion 8900AX-1600 R2 which has the same chipset and the same IPv6 issues…
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As @KingfisherUK said, IPv6 /56 for UK (BT) usage does not work well, ASUS are fully aware of this issue and hopefully will be fixed in next firmware release (whenever that is)
In a completely sane world, madness is the only freedom (J.G.Ballard).
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@jetspeed – Ok, I believe the following will block all port 53 requests from LAN to WAN, but never tested this on the DSL-AC88U.
Go to Firewall > Network Services Filter to block port 53 TCP and UDP. as Network Services Filter only impacts LAN to WAN traffic and this should create entries in the iptables automatically.
For ASUS, I believe all ports from WAN to LAN are closed by default, so ports are only opened by LAN traffic heading to default gateway , (UPnP – Port Forwarding) etc.
Let us know how this goes ?
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In a completely sane world, madness is the only freedom (J.G.Ballard).
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@jetspeed – Ok, I believe the following will block all port 53 requests from LAN to WAN, but never tested this on the DSL-AC88U. Go to Firewall > Network Services Filter to block port 53 TCP and UDP. as Network Services Filter only impacts LAN to WAN traffic and this should create entries in the iptables automatically. For ASUS, I believe all ports from WAN to LAN are closed by default, so ports are only opened by LAN traffic heading to default gateway , (UPnP – Port Forwarding) etc. Let us know how this goes ?
Thank you! This looks like what I’m after, but somehow can’t add port 53 without first adding a source IP? When adding port 53, it just disappears – no error message, no nothing.
I’m using FW503 and screen looks slightly different?
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That is disappointing, try a different browser.
and try newer firmware – Version 1.10.06_Build591
I managed to get it to work on RT-AC86U and an RT-AX88U simulator online
not sure if 0.0.0.0 would work for Source IP address ?
If these options does not work, then alas no other option available to block port 56 from UI, hopefully ASUS will fix also in next firmware (big list they have)
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In a completely sane world, madness is the only freedom (J.G.Ballard).
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That is disappointing, try a different browser. and try newer firmware – Version 1.10.06_Build591 I managed to get it to work on RT-AC86U and an RT-AX88U simulator online not sure if 0.0.0.0 would work for Source IP address ? http://demoui.asus.com/ If these options does not work, then alas no other option available to block port 56 from UI, hopefully ASUS will fix also in next firmware (big list they have)
No go captain, I’m on record 56 days online streak with FW503! All the later ones, I couldn’t get a few weeks before it would lock up or have DNS failures.
Tried Chrome and Firefox, same deal.
I put my own PC’s as the source and tried a nslookup but it seemed to resolve fine and didn’t appear to block anything?
Anyway, I think I give up and wait for the next FW.
Thank you for the assist.
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56 days, that is a first for the DSL-AC3100 / 88U
In a completely sane world, madness is the only freedom (J.G.Ballard).
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56 days, that is a first for the DSL-AC3100 / 88U
No, it’s my own record, but I think another of your regular users did something like 90??
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