Ravi Sir's Cards › AWS
Port open but gone after reboot?
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
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What this card says
What it is
Rule was runtime only.
Why it matters
Add it permanently.
firewall-cmd --permanent --add-port=8080/tcp
How / example
Reload.
firewall-cmd --reload