https://www.howtogeek.com/64433/how-to-install-and-configure-openvpn-on-your-dd-wrt-router/ https://comparitech.com/vpn/install-openvpn-dd-wrt-router/ https://blog.ssdnodes.com/blog/tutorial-installing-openvpn-on-ubuntu-16-04/
https://networkappers.com/tools/open-port-checker https://www.yougetsignal.com/tools/open-ports/
This is a great guide to iptables: https://www.booleanworld.com/depth-guide-iptables-linux-firewall/
You can generate a self-signed certificate online here: http://www.selfsignedcertificate.com/ This will generate a two files – a certificate and a key. If you are using IIS server you need to convert these to .pfx. For this you can use the SSL Converter here: https://www.sslshopper.com/ssl-converter.html
Use the free SSL Server test from Qualys Inc to see how secure is your web site: SSL Test
If you own a web site and would like to provide better security to your visitors in terms of encrypted communication between your server and their browser you need to install a SSL Certificate. You can get a certificate from different companies and the price can vary. The StartSSL
Google Music is a service that allows you to buy, organize and play music online. Among other things you are allowed to upload up to 20,000 songs from your personal music collection for free. The bad thing is that it is officially offered only in US. The good thing is that there is a work-around. … Read more
find the URL of your favorite YouTube video go to VideoDownloadX.com and paste the video URL into their download box now click “Download” and it will present a list of links to download video in different formats / quality