If protocols were human beings, NNTP would be a kind and slightly confused person that always believes the best of other people – even if they drop trash in the mailbox. Postfilter gives NNTP a watchdog.

On a trip to Berlin, Charly discovers that the nmap port scanner has a new cousin who enjoys spying on phones – smap scans networks for VoIP devices.

Hewlett-Packard has now completed the acquisition of Neoware. The thin client computing and virtualization solution provider will add value to HP's Linux portfolio.

The Simple Security Policy Editor (SSPE) helps you organize your network and keep track of security policies across multiple firewalls. You can reference a central policy to generate rulesets for packet filters and VPN gateways.

The free but proprietary Skype is a popular calling option.

This month we’ll show you some popular Linux tools for Internet telephony

Internet telephony does not need to be complicated. You can talk to the world with just Kphone, a normal sound card, and an account with an Internet phone provider.

When you want to call your friends in distant countries, don’t pick up the phone; just put on your headset and fire up Linphone.