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update FAQ required open tcp ports #125

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update FAQ required open tcp ports #125

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b8d5829
update FAQ required open tcp ports
basisbit Apr 18, 2020
762a11e
remove tcp7443 and tcp1935 mentions from firewall testing instructions
basisbit Apr 22, 2020
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2 changes: 1 addition & 1 deletion _posts/2015-04-05-faq.md
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Expand Up @@ -471,7 +471,7 @@ For the above reasons, we recommend you setup BigBlueButton on a dedicated serve

### What ports must be open for external users to connect to BigBlueButton

For TCP ports, clients must be able to connect to the BigBlueButton server on port 80/443 (HTTP/HTTPS), 7443 (audio), and 1935 (RTMP).
For TCP ports, clients must be able to connect to the BigBlueButton server on port 80/443 (HTTP/HTTPS).

For UDP ports, clients must be able to connect on a port within the range 16384-32767 for WebRTC-based audio.

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14 changes: 7 additions & 7 deletions _posts/2019-02-14-configure-firewall.md
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Expand Up @@ -78,29 +78,29 @@ $ sudo apt-get install netcat
Next, stop BigBlueButton with the command `sudo bbb-conf --stop`. This frees up the ports we want to test. We can now run `netcat` to listen on ports and try connecting from an external computer. As root, run the following command:

```bash
$ netcat -l 7443
$ netcat -l 443
```

`netcat` is now going to echo to the terminal any text it receives on port 7443 (you can quit the command later using Ctrl-c).
`netcat` is now going to echo to the terminal any text it receives on port 443 (you can quit the command later using Ctrl-c).

Next, on a second computer that is external to the firewall -- that is, it must go through the firewall to access the BigBlueButton server -- install `netcat` as well. Replace `EXTERNAL_HOST_NAME` with the hostname of your firewall, run the following command

```bash
$ netcat EXTERNAL_HOST_NAME 7443
$ netcat EXTERNAL_HOST_NAME 443
```

and type type the word 'test' and press ENTER.

If the firewall is forwarding incoming connections on port 7443 to the internal BigBlueButton server, you should see the word 'test' appear after the `netcat -l 7443` command, as in
If the firewall is forwarding incoming connections on port 443 to the internal BigBlueButton server, you should see the word 'test' appear after the `netcat -l 443` command, as in

```bash
$ netcat -l 7443
$ netcat -l 443
test
```

If the word `test` does not appear, double-check the firewall configuration to ensure its forwarding connections on port 7443 and then test again. You want to see the word `test` appear before proceeding to the installation BigBlueButton.
If the word `test` does not appear, double-check the firewall configuration to ensure its forwarding connections on port 443 and then test again. You want to see the word `test` appear before proceeding to the installation BigBlueButton.

Repeat these tests with ports 80, 443, and 1935.
Repeat these tests with port 80.

That covers the TCP/IP ports. Next, we need to test that UDP connections in the range 16384-32768 are forwarded as well. On your BigBlueButton server, run the following `netcat` command to listen for incoming data via UDP on port 17000 (here, we're picking a port in the range 16384-32768).

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