Problems with BBB after certificate renewal

[Chris M]

Hello,
a few days ago I renewed the certificate for my BBB server with the following command without problems:

> sudo certbot renew --standalone

In the browser window I can see the new certificate, but the default.pdf and any other pdf i upload during a presentation cannot be seen anymore. If i try to get the default.pdf with wget with the following command, wget says, that the certificate is expired:

> wget https://my.dns.name.com/default.pdf
--2021-10-01 11:18:53--  https:/my.dns.name.com/default.pdf
Resolving my.dns.name.com.com (my.dns.name.com)... 127.0.0.1, 45.67.77.252
Connecting to my.dns.name.com (my.dns.name.com)|127.0.0.1|:443... connected.
ERROR: cannot verify my.dns.name.com's certificate, issued by ‘CN=R3,O=Let's Encrypt,C=US’:
  Issued certificate has expired.
To connect to my.dns.name.com insecurely, use `--no-check-certificate'.

Using certbot with the following command to list my certificates, it states, that the certificate is still valid:

> sudo certbot certificates
Certificate Name: my.dns.name.com
    Domains: my.dns.name.com
    Expiry Date: 2021-12-27 06:43:18+00:00 (VALID: 86 days)
    Certificate Path: /etc/letsencrypt/live/my.dns.name.com/fullchain.pem
    Private Key Path: /etc/letsencrypt/live/my.dns.name.com/privkey.pem

Checking BBB with 'sudo bbb-conf --check' I get the following potential problem shown:
# Potential problems described below
................................................................................
# Error: Could not connect to the configured hostname/IP address
#
#    https://my.dns.name.com/
#
# If your BigBlueButton server is behind a firewall, see FAQ.

Do you happen to have an idea where i can locate the source of my problem?

[Alexandre Manso]

I´m resolution

apt-get install snapd
apt-get remove -y certbot
snap install certbot --classic
sudo certbot renew --force-renewal --preferred-chain "ISRG Root X1"

you need to do : bbb-conf --clean and restart nginx

[Arun Kumar Bhat]

Here is the solution : https://github.com/bigbluebutton/bbb-install/issues/432#issuecomment-931760490

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[Kernel Subbiah]

Do you have a static ip configured for your server?

Most of the time stopping and starting the server will lead to change in the ip.

If that is the case then the mentioned problem can occur,

The ip configured while installing BBB will now be different from the actual one. 

 

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