Did you forget to print error on rejection, in a huge project and are now having issues debugging it? I wrote a snippet of code to solve that.
Just some geeky stuff
Imagine each and every port that is open on your computer as a potential door to your computer, for malicious person.
When you open your web browser and type
pornhub.com into your address bar, what happens in most networks is, your PC asks your router: “Hey, router, what is the address of pornhub.com? “ In case your router knows the address, it will send the response to you. If it does not know, it will ask your ISPs DNS server.