The Principle of Least Privilege says that software shouldn't be executed with more authority than it needs to get its job done. Unfortunately, following this principle is hard; most operating systems are configured so that the scripts and programs you run can do anything you can.

As the available supply of IPv4 addresses dwindles, the market for these virtual commodities is heating up. In recent months, the pace of the address transfers has greatly accelerated as evidenced by RIPE’s table of IPv4 transfers, as well as the increasing number of IPv4 brokers facilitating the exchange of IPv4 address space. However, the transfer of IPv4 address space isn’t always problem-free and, in this blog, we’ll review this new trend and some of the issues that can arise.