Ravi Sir's Cards › AWS
iptables ACCEPT does nothing?
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
First match wins.
Why it matters
List with numbers.
iptables -L INPUT -n --line-numbers
How / example
Insert above DROP.
iptables -I INPUT 3 -p tcp --dport 80 -j ACCEPT