Redirecting Rules For SafeSquid Captive Portal

Redirecting Rules For SafeSquid Captive Portal

Enable IP forwarding in SafeSquid Server

Enable forwarding in /etc/sysctl.conf, by changing below line
net.ipv4.ip_forward=0 to net.ipv4.ip_forward=1
To reload settings run below command
  1. sysctl -p
To flush the IP tables rules
  1. iptables -F -t nat

Redirect traffic 

Forward the traffic from port 80 to 8081 
  1. iptables -t nat -A PREROUTING  -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 8081
Forward the traffic from port 443 to 8443 
  1. iptables -t nat -A PREROUTING  -p tcp -m tcp --dport 443 -j REDIRECT --to-ports 8443

Verify redirection policies using following command (On Linux Box) 

  1. iptables -L -v -n -t nat

Finally, to save IP table

Then save the IP table rules by using below command
  1. apt-get install iptables-persistent
  2. iptables-save >> /etc/iptables/rules.v4
Note: Redirection policies will not flush even you reboot proxy server.




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