There is a command called column which allows you to format the lines produced by a command into symmetrical rows/columns, which can then be easily converted into CSV or JSON. This will be quite handy for reading and populating files. In this case, I needed to populate /etc/ethers/
Wouldn't it be good if port scanning IPs could trigger a rule that adds themselves to a 'known offenders' firewall list? Wouldn't it be good if you could combine white and black ACLs into single unified rules. Typically IPTables operates statically from a predefined collection of rules. This has the