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Update firewall rules and explanation #3

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Update firewall rules and explanation #3

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Changes to firewall to allow 8090 access from anywhere as well as exp…
Rene-Pedersen May 19, 2018
d6c0e5b
Fix formatting
Rene-Pedersen May 19, 2018
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3 changes: 1 addition & 2 deletions README.md
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Expand Up @@ -35,11 +35,10 @@ In addition, the following ports must be opened for factomd to function which w
An example using `iptables`:
```
sudo iptables -A INPUT ! -s 54.171.68.124/32 -p tcp -m tcp --dport 2376 -m conntrack --ctstate NEW,ESTABLISHED -j REJECT --reject-with icmp-port-unreachable
sudo iptables -A DOCKER-USER ! -s 54.171.68.124/32 -i <external if> -p tcp -m tcp --dport 8090 -j REJECT --reject-with icmp-port-unreachable
sudo iptables -A DOCKER-USER ! -s 54.171.68.124/32 -i <external if> -p tcp -m tcp --dport 2222 -j REJECT --reject-with icmp-port-unreachable
sudo iptables -A DOCKER-USER ! -s 54.171.68.124/32 -i <external if> -p tcp -m tcp --dport 8088 -j REJECT --reject-with icmp-port-unreachable
sudo iptables -A DOCKER-USER -p tcp -m tcp --dport 8110 -j ACCEPT
```
(Replace `<external if>` with the name of the interface you use to connect to the internet eg. eth0)

Don't forget to [save](https://www.digitalocean.com/community/tutorials/iptables-essentials-common-firewall-rules-and-commands#saving-rules) the rules!

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