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Dedicated server for a co-op shooter runs fine, but nobody can see it ugh

Solveddedicated-servernetworkingport-forwarding18 replies · 436 views · started
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Accepted solution by Uma Olsen — lol same thing happened to me port checker sites often report UDP ports as closed even when they work, cuz UDP has no handshake. test by…
  1. Kai Okafor
    @kokafor_30

    im tearing my hair out. my a co-op shooter server on a mini PC works locally, but my friends server list shows nothing. I forwarded UDP 7777 and still got this on the host when I checked the network:

    Network & internet

    Network & internet
Wi-Fi  •  HomeNet_5G
No internet, secured

Connected, but nothing loads. Troubleshoot problems?

    any ideas before i give up and rent a server?

    i'm reasoanbly techy, but networking is not my strong suit. i'd appreciate a checklist of what usually goes wrong, sooo i can go through it step by step. what am i doing wrong??

    cry

    2
  2. Mateo Petrov
    @mpetrov

    did u forward both the game port and the query port, and is it TCP or UDP?? ??

    2 0 helpful
  4. Aiden Yilmaz
    @uplink_builder

    guys pls help i swear networking is cursed any ideas??

    5 0 helpful
  5. Ada Gill
    @ada.gill

    ps i come back to this thread every week just for the drama :)

    4 1 helpful
  6. Ada Gill
    @ada.gill

    yeahhh many games use more than one port: a game port and a query port. the server list uses the query port... check the server config and forward both.

    0 2 helpful
  8. Cyrus T.
    @cthorne-3sf
    in reply to @cronhound-36y

    Check whether ure behind CGNAT. Compare teh WAN IP shown on your router with the public IP shown by a what is my IP site. If they differ, or the routers WAN IP starts with 100.64 to 100.127, your ISP uses CGNAT and port forwarding wont work... ask ur ISP for a public IP.

    1 0 helpful
  9. Lea Walsh
    @lwalsh
    in reply to @cthorne-3sf

    if u have a modem/router combo plus your own router, u may be double-NATed. either put the ISP device in bridge mode or forward teh ports on both devices. good luck man!

    1 1 helpful
  10. Ada Gill
    @ada.gill

    is port-forwarding even worth bothering with or should i just leave it

    2 2 helpful
  11. Soren
    @svarga_35

    my laptop is officially haunted, for me it was the settings... swapped it and boom, fixed im about to throw this thing out the window lol

    2 4 helpful
  12. Cyrus T.
    @cthorne-3sf

    give the server host a static local IP or a DHCP reservation. if the server host got a new local IP after a reboot, the forwarding rule points to a device that no longer exists. worked for me anyway 🤷

    4 6 helpful
  13. Emeka Rossi
    @erossi_15

    honestly just reset the update and save yourself the pain. dumb question but how do i even check the cable lmk how it goes

    1 0 helpful
  14. Otto Brandt
    @cronhound-36y

    oh ive been there lol allow the server through the host firweall. On Windows: New-NetFirewallRule -DisplayName "Game Server" -Direction Inbound -Protocol UDP -LocalPort 27015 -Action Allow (adjust protocol and port). On Linux with ufw: sudo ufw allow 27015/udp. good luck man!

    2 0 helpful
  15. Lea Walsh
    @lwalsh

    reading this at 2am instead of sleeping, no regrets pls help 🙏

    facepalm

    0 1 helpful
  16. Uma Olsen
    @umao170
    in reply to @lwalsh Accepted solution

    lol same thing happened to me port checker sites often report UDP ports as closed even when they work, cuz UDP has no handshake. test by having a friend connect directly with your public IP and port instead. worked for me anyway 🤷

    0 6 helpful
  18. Eamon
    @eamonh725
    in reply to @uplink_builder

    wait what honestly, for a few friends a cheap rneted server can save a lot of hassle, especially if your upload speed is limited. just my 2 cents

    0 2 helpful
  19. Kai Okafor
    @kokafor_30
    in reply to @umao170

    @umao170 dude set a DHCP reservation for a mini PC, re-pointed the fowrard, and opened teh query port too. friends are building already. thank you!

    5 0 helpful

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