firewall

  1. akjon RooSho

    Having issues with Firewall

    Hello, From last few days I'm having issues with registering with remote 3cx phone clients. I looked back on the firewall test on 3cx Console and got some fault. I looked into my MikroTik firewall and couldn't identify the problems. Can anyone help me here? My router is configured with...

  2. Firewall Test Failing - All ports confirmed as forwarding

    Hi All, I am having trouble getting a 3CX install to pass the firewall tests. This is a snippet showing the fails: +-+-+-+-+-+-+-+-+-+-+-+-+ testing 3CX SIP Server... failed (How to resolve?) stopping service... done detecting SIP ALG... not detected testing port 55060... full cone test...

  3. AWS Lightsail Advanced Firewall Settings

    I've been playing with 3CX on AWS Lightsail, but the firewall settings that I have access to is limited. I would like to be able to allow access not only by ports, but also by source IP. Does anyone know if this is possible? I like the fixed pricing model, but it seems a bit too restricted...

  4. Firewall check passes SIP ALG, fails 5060 and 9000 ports

    Hello everyone. I have these issues and I am unable to solve them so far I'm pretty new on this matter and surely is something simple. I have configured my firewall (FortiGate) as suggested by the guidelines and all the test passes except for the 3CX SIP Server while testing the port 5060, the...

  5. Firewall port closed - RTP still flowing

    Hello, Let's assume the following simple setup: Internal 3cx (RTP port 9000) - - - > Firewall - - > Internet - - > Provider (RTP port 10000) The internal 3cx has a SIP trunk with the provider and UDP port 5060 is open on the local Firewall, so SIP negotiation is OK. However, RTP port 9000 is...

  6. Solved Ports used by 3cx that should be opened on Firewall

    Hello, In the scope of re-designing our 3cx servers we are trying to figure out which ports should be left open on our Firewall. I found this link: https://www.3cx.com/docs/ports/ Please find my questions below: 1. Are there any additional ports not included in this list? 2. On what concerns...

  7. Hybrid on premises&cloud scenario ?

    I do not know if following scenario can be realized with 3CX. The main pbx shall be on premises as the trunk is established there and cannot be moved to a cloud provider without major costs and difficult contract split up. Anyway I prefer to have the big bunch of ip phones linked within the...

  8. Solved Phone not registering through STUN

    Hello, I am new on 3CX and had gone through the following thread link but still facing the problem with phone registration. Following are the installation details 3CX Version: 15.5.0 Server Installation Location: Google VM Number of Extensions: 20 Extension configured through STUN...
  9. theMightyMacBoy

    Solved Firewall Checker Fails on most RTP ports

    I have setup a 3CX server to use for our company and configured our firewall ports and NATing. When I run the firewall test, the first several ports pass but then the rest fail. I am source and destination NATing all ports on one public IP for 3CX, so I don't understand why the first several...
3CX Logo Footer Copyright © Sitemap Privacy
Top Bottom