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So firewall and port 8443 was one of my original thoughts. Is there a way to tell if it's blocked on linux, or the router? I searched online and found this advice online:

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https://www.tixati.com/optimize/open-ports-linux.html

>If you want to open an incoming TCP port, type the following:
>
>iptables -I INPUT -p tcp --dport 12345 --syn -j ACCEPT
>
>If you want to open a UDP port (perhaps for DHT in Tixati), type the following:
>
>iptables -I INPUT -p udp --dport 12345 -j ACCEPT

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I ran this, with port 8443, is this correct? Is there an easy way to check?

Sorry, pretty noob with linux

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>As for your initial question, it will take time for your node to catch up to the current block to be online, as long as you see it is processing blocks you are good to go.
>
>To check what is the current block at the moment you can use etherscan.io website

Ok that's a simple enough way to check.

I have kinda similar problem with idex but not just the chart, more the whole site keeps reloading. I doubt that problem relies on the ISP. I'm using Vodafone in Europe. Since today I am using NordVPN but nothing changed. The site is not useable!