My Oracle Support Banner

OCI : Unable to Access TCP Port in Ubuntu Instance (Doc ID 2604769.1)

Last updated on AUGUST 11, 2022

Applies to:

Oracle Cloud Infrastructure - Version N/A to N/A [Release 1.0]
Linux x86-64 on Oracle Public Cloud

Symptoms

  1. An application is configured to listen for connections on a TCP port (e.g. 10000) in the instance.
  2. There are active ingress rules in the instance VCN to allow incoming traffic to port 10000/TCP in the OCI Cloud Console.
  3. This is a standard Ubuntu 18.04 LTS instance with the ufw disabled and stopped
  4. The application is active and listening on all IP addresses (0.0.0.0/0) for the port 10000 in the Ubuntu instance.

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document
Symptoms
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.