... BETWEEN 19 Hacking for Dummies (Access to other peoples systems made simple – & some extra database lore). Introduction The author is not responsible for any abuse of this information. ... to read than the other. For example, at the top of the packet, the ASCII looks useless, but the hex is readable, from which you can tell, for example, that my MAC address is 0 0-0 0-BA-5E-BA-11. ... bbn-login 49/tcp Login Host Protocol (TACACS) bbn-login 49/udp Login Host Protocol (TACACS) # Pieter Ditmars <pditmars@BBN.COM> re-mail-ck 50/tcp Remote Mail Checking Protocol re-mail-ck...