We are often asked by customers about how they can prevent traffic from a certain country (let’s say country X) from entering their network. The motivations for doing this could vary. Sometimes a company does not do business with all countries in the world; therefore, the company doesn’t need to be accessible from all countries. Other times it is an issue of trust and security, where an administrator may not want to allow country X to enter their infrastructure. Finally, there are cases where country X has often been incriminated with malicious activity, so an administrator may want to block country X when there is no need for the organization to interact with this country. In this document I present a methodology on how to write a tool that provides the configuration lines to block country X, using your IOS router or ASA/ASASM firewall. Read More »
How do you find out about new TV shows, movies, and bands and artists?
At the Bandwidth Conference (a digital music trade show), a few months back, we captured some conversations about ‘how content finds you’, in this case, how you find new music. Jac Holzman, the visionary founder of Elektra Records(read a Cisco blog post about Holzman and the 60th anniversary of the label here), was asked if it’s a bad thing that technology has lowered the cost of recording, thereby allowing hundreds of thousand more musically inclined people to make records. With so much new music being released, isn’t so much of it just mediocre music? For instance, going online to sift through hundreds of blogs, unknown artist sites, music discovery sites like the Hype Machine and recommendation services like Pandora – is it worth all that time to find good new music? Holzman offers that record labels themselves, like Elektra (see the Cisco Eos powered site for the label here), are one of the best platforms to discover new quality music – he explains ..
When it comes to discovering new music, what if you don’t have a favorite record label or radio station, to be your ‘first filter’ as Jac Holzman calls it?