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security steps in the readme

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prashantkamdar 2021-08-15 21:26:38 +05:30
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commit 173b509706
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README.md
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@ -506,7 +506,7 @@ At this step, you should also setup the SSL for Nginx.
If you have followed the steps above, there will be 3 ports exposed over the internet: 7777 (sl-app), 20381 (sl-email) & 5432 (postgresql).
You can verify the ports are open by running the following command from a different machine
You can verify the ports are open by running the following command from a different machine.
```bash
sudo nmap -sS <IP-ADDR> -p 7777,20381,5432
@ -522,7 +522,7 @@ To get around this, first run this command to allow only localhost connections t
iptables -I DOCKER-USER -i eth0 ! -s 127.0.0.1 -j DROP
```
Docker documentation reference for more info: [documentation](https://docs.docker.com/network/iptables/#restrict-connections-to-the-docker-host)
Docker documentation reference for more info: [documentation](https://docs.docker.com/network/iptables/#restrict-connections-to-the-docker-host).
Next, to make the changes persistent across reboots, we are going to use `iptables-persistent` package.