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OCI: Still Cannot Connect to Ports XXXX Even After Adding to VCN Security Rules and IPtables Rules on Oracle Linux 6 (Doc ID 2557732.1)

Last updated on JULY 15, 2022

Applies to:

Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64

Symptoms

Connections to certain ports still fail even when they are allowed in VCN security list/rules, and are also added to IPTables rules for target ACCEPT.

In this particular example, TCP ports 5500 and 5501 are intended to be open to traffic, but are still blocked.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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