alias port / port forwarding to another local port
5,269
iptables -t nat -A PREROUTING -p tcp --dport 8000 -j REDIRECT --to-port 80
Something like this. :)
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Comments
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Afriza N. Arief over 1 year
I am using Amazon Linux AMI in EC2.
Previously they allow me to enter different external port from internal port in the AWS web console (in the security groups). Now they only allow the same port for both internal and external port.
I need to have the same daemon to be visible from both port 80 and 8000. The daemon is now running on port 80.
How do I "port-forward" port 8000 to 80 in the same instance?
I am using the free usage tier (micro instance with Amazon Linux AMI)
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Afriza N. Arief about 13 yearsiptables v1.4.7: unknown option
--dport' Try
iptables -h' or 'iptables --help' for more information. -
bonsoy about 13 yearscheck /etc/sysctl.conf. There you should add something like this net.ipv4.ip_forward = 1 for ../net/ipv4/ip_forward this should help
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Andrey Kuznetsov almost 10 years@afriza I updated the answer. You need to specify protocol using
-p
option