Android App Error When Trying To Login

Description

Using the Android APP, on Androids more actuals(Android 8 >),
we receive the following message when trying to connect to our workspace:

CLEARTEXT communication to [our RocketChat IP or workspace name] not permitted by network security policy.

We have this problem only with Android 8 >. With Android 8 < and Apple´s we don´t have this problem and work normally.

Regards, Igor.

Server Setup Information

  • Version of Rocket.Chat Server: 3.9.3
  • Operating System: Ubuntu Server 18.04
  • Deployment Method: tar
  • Number of Running Instances:
  • DB Replicaset Oplog:
  • NodeJS Version: v12.18.4
  • MongoDB Version: 4.0.21
  • Proxy: No
  • Firewalls involved: pfSense