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  1. #1
    Join Date
    October 2012
    Posts
    37

    Angry firewall keeps blocking my ts3 server

    System
    Linux Centos
    WHM Cpanel
    CSF Firewall

    I have all the required ports open. I turn on my firewall and everything is fine. Then anywhere from 24-72 hours for some reason the ts3 Client is not able to connect to my server anymore. So I disable my firewall and restart the server process and it works fine. However when I turn my firewall back on the same thing just happens again.

    Anyone have any idea what could be causing this? My hosting provider tells me its an issue with the software and then state they do not support 3rd party software.

  2. #2
    Join Date
    October 2012
    Posts
    37
    I think the issue is being cause because for some reason the NPO license is not getting validated when I have my firewall on. Does use a specific port to valid the Non profit licence? I have port 9987,9988,9999,30033,10011,41144 open. Is there a port or ports not listed that I need open?

  3. #3
    Join Date
    April 2011
    Location
    Germany
    Posts
    1,266
    You might try and read the official support faq... perhaps starting with https://support.teamspeakusa.com/ind...k-3-server-use

  4. #4
    Join Date
    December 2009
    Location
    UK
    Posts
    768
    What do your logs say? That'll tell you if there's a problem with the NPL

    Not familiar with CSF (use raw IPTables myself), are you saving the new rules so that they're open when you restart CSF?

  5. #5
    Join Date
    November 2014
    Posts
    2
    I'm having the same issue I can resolve the issue by adding a IP to the whitelist aka csf -a put.your.ip.here but doing that for everyone who wants to connect seems silly.

    here is a list of my csf.conf port settings

    # Allow incoming TCP ports
    TCP_IN = "20,21,53,80,110,143,443,465,587,993,995,2008,2077 ,2078,2082,2083,2086,2087,2095,2096,10011,30033,41 144,21025,2022"

    # Allow outgoing TCP ports
    TCP_OUT = "20,21,37,43,53,80,110,113,443,587,873,993,995,200 8,2086,2087,2089,2703,21025,9987,10011,30033,41144 "

    # Allow incoming UDP ports
    UDP_IN = "20,21,53,2008,2010,9987"

    # Allow outgoing UDP ports
    # To allow outgoing traceroute add 33434:33523 to this list
    UDP_OUT = "20,21,53,113,123,873,6277,2011:2110,2010,2008 "

    # Allow incoming PING
    ICMP_IN = "1"

    I have tried to look for useful log entries in the ts3 logs but nothing seems to be useful ether it does not log failed connections or it never reaches it due to the firewall, which seems likely considering adding my ip to the whitelist sorta solves the issue. If required i could link my entire csf.conf here.

  6. #6
    Join Date
    April 2011
    Location
    Germany
    Posts
    1,266
    How about allowing OUTGOING udp 9987?? It's quite useless to allow udp 9987 in but not out.

  7. #7
    Join Date
    December 2004
    Location
    RF
    Posts
    3,007
    It's quite useless to touch outgoing traffic at all.
    Unless you 100% know what you are doing.

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