'''Required''' - basic knowledge about Internet infrastructure and addressing is required should you want to maintain anything on the Internet (Facebook, twitter, other social networks exempted) that is bound to last the test of time. Please read through [httphttps://learn.equalit.ie/esecmanwiki/appendix_b.html Appendix B - Internet explainedHow_does_the_Internet_actually_work%3F HOW DOES THE INTERNET ACTUALLY WORK?] to get the basics and go on from there. You need to know a little bit about architecture before building your house.