gbonazzoli opened a new issue, #23925:
URL: https://github.com/apache/airflow/issues/23925
### Apache Airflow version
2.3.1 (latest released)
### What happened
I get the following warning on the startup of gunicorn:
```
root@airflow:~/airflow# airflow webserver -p 8080
____________ _____________
____ |__( )_________ __/__ /________ __
____ /| |_ /__ ___/_ /_ __ /_ __ \_ | /| / /
___ ___ | / _ / _ __/ _ / / /_/ /_ |/ |/ /
_/_/ |_/_/ /_/ /_/ /_/ \____/____/|__/
Running the Gunicorn Server with:
Workers: 1 sync
Host: 0.0.0.0:8080
Timeout: 120
Logfiles: - -
Access Logformat:
=================================================================
[2022-05-26 05:32:46 +0200] [396086] [INFO] Starting gunicorn 20.1.0
/usr/local/lib/python3.8/dist-packages/paramiko/transport.py:236
CryptographyDeprecationWarning: Blowfish has been deprecated
[2022-05-26 05:32:46 +0200] [396086] [INFO] Listening at:
http://0.0.0.0:8080 (396086)
```
### What you think should happen instead
The message is self explaining.
The configuration file (webserver_config.py) has the following:
`AUTH_TYPE = AUTH_LDAP
`
I think this settings is responsible of the message, infact with AUTH_DB
gunicorn doesn't cry.
### How to reproduce
Just start airflow webserver
### Operating System
Ubuntu 20.04.4 LTS
### Versions of Apache Airflow Providers
```
apache-airflow-providers-celery==2.1.4
apache-airflow-providers-ftp==2.1.2
apache-airflow-providers-http==2.1.2
apache-airflow-providers-imap==2.2.3
apache-airflow-providers-microsoft-mssql==2.1.3
apache-airflow-providers-microsoft-winrm==2.0.5
apache-airflow-providers-mysql==2.2.3
apache-airflow-providers-openfaas==2.0.3
apache-airflow-providers-oracle==2.2.3
apache-airflow-providers-postgres==4.1.0
apache-airflow-providers-samba==3.0.4
apache-airflow-providers-sftp==2.6.0
apache-airflow-providers-sqlite==2.1.3
apache-airflow-providers-ssh==2.4.4
```
### Deployment
Virtualenv installation
### Deployment details
Airflow all in one on a LXD container
### Anything else
no
### Are you willing to submit PR?
- [ ] Yes I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's [Code of
Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
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