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    <title>Mojang Studios Jira</title>
    <link>https://bugs.mojang.com</link>
    <description>This file is an XML representation of an issue</description>
    <language>en</language>    <build-info>
        <version>9.12.2</version>
        <build-number>9120002</build-number>
        <build-date>10-01-2024</build-date>
    </build-info>


<item>
            <title>[BDS-4646] IPv6 is broken</title>
                <link>https://bugs.mojang.com/browse/BDS-4646</link>
                <project id="11700" key="BDS">Bedrock Dedicated Server</project>
                    <description>&lt;p&gt;I run my own Bedrock server on my own Server. After Upgrading Minecraft to the 1.14.6005.0 i can&apos;t connect to my server anymore.&lt;/p&gt;

&lt;p&gt;I also did&apos;t see my server online at the IPv6 Port (19133).&lt;/p&gt;

&lt;p&gt;i change the Port ingame to the IPv4 port (19132) i see the online Server but can&apos;t connect.&lt;/p&gt;

&lt;p&gt;so i disable IPv6 at the Network interface in my Windows Computer&#160; and can connect to my minecraft server.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;Edit://&lt;/p&gt;

&lt;p&gt;i also tested the Server ports with netcat from a different machine. I can connect to both. (ipv4 and ipv6)&lt;/p&gt;

&lt;p&gt;Funfact: I can connect with netcat via IPv4 to the IPv6 Port but not via IPv6 to the IPv4 Port.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;Edit2//&lt;/p&gt;

&lt;p&gt;sorry i think you missunderstood me.&lt;/p&gt;

&lt;p&gt;i can&apos;t connect with IPv6 to the IPv6 listen Port. whitch is 19133 in my description. (Error discription: unable connect to World)&lt;/p&gt;

&lt;p&gt;for testing i disable the IPv6 on my gaming machine and can connect with IPv4 to the IPv4 Port. &lt;br/&gt;
also i test the IPv6 connection to the server with netcat. so i connect with netcat to the IPv6 and IPv4 Port. both worked but just with netcat (thats a CLI tool for Linux to test Ports) in order to rule out any possibility of error on my part.&lt;/p&gt;


&lt;p&gt;With Minecraft i still can&apos;t connect with IPv6 to IPv6!&lt;/p&gt;</description>
                <environment></environment>
        <key id="311605">BDS-4646</key>
            <summary>IPv6 is broken</summary>
                <type id="1" iconUrl="https://bugs.mojang.com/secure/viewavatar?size=xsmall&amp;avatarId=18903&amp;avatarType=issuetype">Bug</type>
                                    <status id="5" iconUrl="https://bugs.mojang.com/images/icons/statuses/resolved.png" description="A resolution has been taken, and it is awaiting verification by reporter. From here issues are either reopened, or are closed.">Resolved</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="4">Incomplete</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="Hirsch">Steffen</reporter>
                        <labels>
                            <label>awaiting-confirmation</label>
                    </labels>
                <created>Thu, 23 Apr 2020 19:12:13 +0200</created>
                <updated>Tue, 2 Apr 2024 21:08:57 +0200</updated>
                            <resolved>Fri, 29 Jan 2021 17:19:51 +0100</resolved>
                                    <version>1.14.60</version>
                                                            <votes>3</votes>
                                    <watches>3</watches>
                                                                            <comments>
                            <comment id="1313505" author="louhbo" created="Tue, 2 Apr 2024 21:08:57 +0200"  >&lt;p&gt;confirmed on Linux Ubuntu 23.10 if you disable ipv6 in grub or kernel, it breaks the server.&lt;/p&gt;</comment>
                            <comment id="907933" author="mega_spud" created="Fri, 29 Jan 2021 17:19:51 +0100"  >&lt;p&gt;Cleaning up old tickets:  This ticket had been set to &apos;Awaiting Response&apos;, but has not received a response from the reporter (~3 months+) so is being closed as &lt;em&gt;Incomplete&lt;/em&gt;.  If you feel this is still a valid issue then please comment, or create a new ticket following the &lt;a href=&quot;https://aka.ms/MCBugTrackerHelp&quot; title=&quot;How To Write helpful bug reports&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Issue Guidelines&lt;/a&gt; which includes steps to reproduce the problem.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;Quick Links&lt;/b&gt;:&lt;br/&gt;
&#128211; &lt;a href=&quot;https://aka.ms/MCBugTrackerHelp&quot; title=&quot;How To Write Awesome Tickets! &#128175;&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Issue Guidelines&lt;/a&gt; &amp;#8211; &#128172; &lt;a href=&quot;https://help.minecraft.net/hc/en-us/requests/new&quot; title=&quot;Account Support &#128377;&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Mojang Support&lt;/a&gt; &amp;#8211; &#128231; &lt;a href=&quot;https://feedback.minecraft.net/&quot; title=&quot;Feedback and Suggestions &#9997;&#65039;&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Suggestions&lt;/a&gt; &amp;#8211; &#128214; &lt;a href=&quot;http://minecraft.gamepedia.com/Minecraft_Wiki&quot; title=&quot;Minecraft Wiki &#127891;&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Minecraft Wiki&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="784465" author="ionicecko" created="Tue, 11 Aug 2020 09:40:53 +0200"  >&lt;p&gt;I&apos;ve just tried to reproduce this and have been unable. I&apos;ve done the following and it connected as expected.&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;Built a new Ubuntu 20.04 VM&lt;/li&gt;
	&lt;li&gt;Gave it both an IPv4 and IPv6 address&lt;/li&gt;
	&lt;li&gt;On a seperate IPv6 client I entered the servers IPv6 address and port 19133&lt;/li&gt;
	&lt;li&gt;It connected successfully.&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;If you&apos;re still having the issue it may be a misconfiguration on your network. If you believe there to be a readily reproducible bug please provide steps on how to reproduce the issue.&lt;/p&gt;

&lt;p&gt;I&apos;m a little confused though by your comment that:&lt;/p&gt;
&lt;blockquote&gt;
&lt;p&gt;I take the Ipv6 Adress and the IPv6 Port and forward him to an IPv4 Address and the IPv4 Port&lt;/p&gt;&lt;/blockquote&gt;

&lt;p&gt;This wont work, unless you have a 6to4 translation service or similar you can&apos;t just forward IPv6 traffic to an IPv4 address.&lt;/p&gt;

&lt;p&gt;I&apos;ll be putting this report into awaiting response status, it will reopen if you comment back with more information.&lt;/p&gt;</comment>
                            <comment id="685419" author="JIRAUSER472242" created="Fri, 1 May 2020 02:51:06 +0200"  >&lt;p&gt;I am having the same problem.&#160; The port is open on a linux box on my LAN.&#160; I can not view it on my phone in IPv6.&#160; I think the problem is with the clients.&#160; I can not find a public server to even test it on.&lt;/p&gt;</comment>
                            <comment id="682083" author="JIRAUSER471055" created="Mon, 27 Apr 2020 19:20:16 +0200"  >&lt;p&gt;Hello,&lt;/p&gt;

&lt;p&gt;i did some more research today and i think the issue is the Client, not the Server.&lt;/p&gt;

&lt;p&gt;what i&apos;m doing:&lt;/p&gt;

&lt;p&gt;I take the Ipv6 Adress and the IPv6 Port and forward him to an IPv4 Adress and the IPv4 Port. But i&apos;m still not able to connect to the server.&lt;/p&gt;

&lt;p&gt;This also coincides with the observation that the issue comes with the lates Hotfix update of the Minecraft Client on Windows 10&lt;/p&gt;</comment>
                            <comment id="681858" author="JIRAUSER471055" created="Mon, 27 Apr 2020 13:45:03 +0200"  >&lt;p&gt;i have at home dualstack and at my server (server is rented) have a working dualstack too. DNS resolving is working, i tested that with Netcat (otherwise i can&apos;t connect with Netcat IPv6 to the IPv6 Port on my server). Firewall is also disabled (otherwise i can&apos;t connect with Netcat to the IPv6 Port).&lt;/p&gt;

&lt;p&gt;I run the Server with Linux Debian.&lt;/p&gt;

&lt;p&gt;edit: i try to connect with a domain and with the IPv6 Adress. both failed. the IPv6 adress looks like: 2a03:4000:27:40f::1&lt;/p&gt;</comment>
                            <comment id="681815" author="ionicecko" created="Mon, 27 Apr 2020 13:24:06 +0200"  >&lt;p&gt;Have you checked that you have IPv6 firewall rules in place?&lt;/p&gt;

&lt;p&gt;Are you using DNS or IP address to connect to the server? If IP address how are you entering the address into Minecraft?&lt;/p&gt;

&lt;p&gt;Are you running on Windows or Linux?&lt;/p&gt;

&lt;p&gt;Are you running in a dual stack environment?&lt;/p&gt;</comment>
                            <comment id="681781" author="ionicecko" created="Mon, 27 Apr 2020 12:51:40 +0200"  >&lt;p&gt;Hi Steffen,&lt;/p&gt;

&lt;p&gt;Its not currently clear from your description what your issue is?&lt;/p&gt;

&lt;p&gt;You mention not being able to connect to the IPv4 listener using IPv6 which is expected. The rest is somewhat confusing. &lt;/p&gt;

&lt;p&gt;Could you please update your description with the information mentioned in &lt;a href=&quot;http://help.mojang.com/customer/portal/articles/801354-writing-helpful-bug-reports-for-minecraft&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://help.mojang.com/customer/portal/articles/801354-writing-helpful-bug-reports-for-minecraft&lt;/a&gt; to help get your bug tested and confirmed.&lt;/p&gt;

&lt;p&gt;I&apos;ll set the report to &quot;Awaiting Response&quot;, once you&apos;ve updated it just comment back and it will reopen.&lt;/p&gt;

&lt;p&gt;Ionic&lt;/p&gt;</comment>
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