Re: [CentOS] Redirecting port 8080 to port 80 - how to add in /etc/sysconfig/iptables file?

On Tue, 2016-06-21 at 15:46 +0100, Always Learning wrote:

On Tue, 2016-06-21 at 16:24 +0200, Alexander Farber wrote:

...

*nat :INPUT ACCEPT :OUTPUT ACCEPT :PREROUTING ACCEPT :POSTROUTING ACCEPT -A PREROUTING -p tcp --dst 144.76.184.154 --dport 8080 -j REDIRECT --to-port 80

http://www.karlrupp.net/en/computer/nat_tutorial

# IMPORTANT: Activate IP-forwarding in the kernel!

# Disabled by default! $> echo "1" > /proc/sys/net/ipv4/ip_forward

Is that a solution ?

and this ?

# TCP packets from 192.168.1.2, port 12345 to 12356 # to 123.123.123.123, Port 22 # (a backslash indicates contination at the next line)

iptables -t nat -A POSTROUTING -p tcp -s 192.168.1.2 \ --sport 12345:12356 -d 123.123.123.123 --dport 22 [...]