Many people turn to VPNs — virtual private networks — for added privacy and security online, only to find that their internet speeds suddenly slow to a crawl. But what exactly does a VPN do, and why ...

I received a Cisco RVS4000 home router from work and promptly setup a site to site VPN today. It ... works, sort of. From CentOS 5.5, and Windows Server 2003 I can ping both ways from work to home and ...