Minecraft Education | Unable to join multiplayer game
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Thanks for the response. Yes! bitdefender firewall on the PC has and was disabled.
UPDATE: others can join when my child hosts the multiplayer game/world but they still cannot join their classmates/teachers worlds/multiplayer game.
But the same players/teacher can join each other’s without issue.
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@posix said in Minecraft Education | Unable to join multiplayer game:
others can join when my child hosts the multiplayer game/world
It sounds like multiplayer is working (port 19132), ergo this is not a pfSense or host FW issue
-does Minecraft Edu. use UPnP or other ports?
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Welcome to hell, my friend. We are approaching our four year anniversary of this issue, join me in celebrating the eternal life of Feature #7727: https://redmine.pfsense.org/issues/7727
https://forum.netgate.com/topic/153478/pfsense-multiple-pcs-open-nat-a-solution-and-a-grievance
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Hello, by any chance are you using a Apple device with private addresses enabled in the Wi-Fi?
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@daddygo no mention of UPNP.
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@uglybrian no it’s windows 10 dell inspiron laptop it uses private subnet 192.168.40.x they all do. Wi-Fi is provided by unifi AP.
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@bigchimpin hey I remember seeing this bug!
Lol it’s been hell last two days. Was considering shelling $799 to netgate support.... -
@posix said in Minecraft Education | Unable to join multiplayer game:
no mention of UPNP.
as the colleague @bigchimpin mentions, we have already discussed it here:
(wait - wait and end up waiting)
https://forum.netgate.com/topic/153514/nat-issues-when-playing-games-on-two-computers/12?_=1599056109642
BTW:
so I asked about UPnP
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Ok thanks, so another update I was researching on UPnP and forgot to add the following configuration. (I did this for another gaming PC to get from strict NAT to moderate NAT and I did see better behavior).
Services -> UPnP & NAT-PMP (check) Enable UPnP & NAT-PMP (check) UPnP Port Mapping Allow UPnP Port Mapping (check) External Interface WAN Interface SPECIFIC VLAN interfaceThen under
UPnP Access Control Lists allow 53-65535 192.168.40.99 53-65535Unfortunately still not able to join games. Looking at the packet capture I took using (Full) Level detail. I saw many retransmits in TCP. They would come in batches in the flow then everything would return to normal. I googled upnp wire shark capture and it seems all are UDP port 1900 and SSDP.
@bigchimpin @DaddyGo I want to thoroughly exhaust my options and go through the steps before calling it.I dont doubt your analysis. Mainly documentation. Perhaps might help others get a workaround in place as I did.
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@posix said in Minecraft Education | Unable to join multiplayer game:
I want to thoroughly exhaust my options
This will not be resolved today, maybe tomorrow
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UPDATE:
My child confirmed today that they are able to join other players world.
I can confirm no change in configuration other the last update I provided on
making changes Services UPnP & NAT-PMP.Will monitor some more.
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@posix said in Minecraft Education | Unable to join multiplayer game:
making changes Services UPnP & NAT-PMP.
Which I would like to add, with things like UPnP & NAT-PMP be careful on your firewall.
Always run on a separate interface
(I see you have a VLAN for this purpose) -
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Did anyone try just port forwarding the recommended ports on the https://portforward.com/minecraft/ page? I'm going to give that a try because I don't really want to turn UPnP on.
Some additional ports to forward would be 19133 and 25565 which I didn't see mentioned in this thread.
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Nevermind, I guess 19133 is for IPv6 and 25565 is for Java Edition. So, opening 19132 should do it for my setup, but I cannot join only host. Minecraft Education gets the wrong IP though.
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