Well, given the rather open question it is hard to be specific. I would argue that you should not skip the foundamentals. Here, two books come to my mind: - htt

Well, given the rather open question it is hard to be specific. I would argue that you should not skip the foundamentals. Here, two books come to my mind: - https://www.oreilly.com/library/view/tcpip-network-administration/0596002971/ https://www.oreilly.com/library/view/tcpip-network-administr... - https://www.oreilly.com/library/view/computer-networks-fifth/9780133485936/ https://www.oreilly.com/library/view/computer-networks-fifth...