Corporate firewalls commonly block port 11371 which launchpad PPA’s use for their keys.
It is possible though to get these through the normal port 80 for web traffic using the format below (replace the last reference to reflect the key you want to download)…
gpg --keyserver hkp://keyserver.ubuntu.com:80 %%recv-keys 0A5174AF
Interesting read and I wasn't aware of some of the facts behind the open-source entrepreneur Bob Young. From the BBC article:
Bob Young is a self-confessed contrarian with a strong desire to change the world by allowing people to share and collaborate. The approach has served him well and has helped turn the Canadian into a multi-millionaire. Bob YoungFrom the outset, his software company Red Hat bucked the trend set by the big players like Microsoft which stubbornly guarded every line of code and charged whopping fees to maintain it.
And don't forget to check out the video which explains how Red Hat got its name.
