https://connect.mozilla.org/t5/discussions/why-could-not-open-a-ipv6-address-website-on-ubuntu/m-p/66164#M23440 <P>I setup a website in Ubuntu, and I can access it with ipv4 but can't access it with ipv6.</P><P>I checked with windows, can use both ipv4 and ipv6 access my website.</P><P>note: I use link-local ipv6 address and input the url as: <A href="http://[ipv6_address]:port" target="_blank">http://[ipv6_address]:port</A></P><P>And I also check with curl such as:curl <A href="http://[ipv6_addresss%enp0xx]:port," target="_blank">http://[ipv6_addresss%enp0xx]:port,</A> it can get my index.html</P> Wed, 28 Aug 2024 14:07:27 GMT c_kun 2024-08-28T14:07:27Z https://connect.mozilla.org/t5/discussions/why-could-not-open-a-ipv6-address-website-on-ubuntu/m-p/66164#M23440 <P>I setup a website in Ubuntu, and I can access it with ipv4 but can't access it with ipv6.</P><P>I checked with windows, can use both ipv4 and ipv6 access my website.</P><P>note: I use link-local ipv6 address and input the url as: <A href="http://[ipv6_address]:port" target="_blank">http://[ipv6_address]:port</A></P><P>And I also check with curl such as:curl <A href="http://[ipv6_addresss%enp0xx]:port," target="_blank">http://[ipv6_addresss%enp0xx]:port,</A> it can get my index.html</P> Wed, 28 Aug 2024 14:07:27 GMT https://connect.mozilla.org/t5/discussions/why-could-not-open-a-ipv6-address-website-on-ubuntu/m-p/66164#M23440 c_kun 2024-08-28T14:07:27Z https://connect.mozilla.org/t5/discussions/why-could-not-open-a-ipv6-address-website-on-ubuntu/m-p/117189#M45751 <P>That sounds like a firefox bug. Is the adapter name strictly required in this URI ?&nbsp; NB your example is of a uri, not a url.</P><P>&nbsp;</P> Mon, 02 Feb 2026 20:46:15 GMT https://connect.mozilla.org/t5/discussions/why-could-not-open-a-ipv6-address-website-on-ubuntu/m-p/117189#M45751 KB3IEN 2026-02-02T20:46:15Z