Horde Groupware Webserver
Horde Groupware Webserver Edition is a free, enterprise ready, browser based communication suite. Users can read, send and organize server messages and manage and share calendars, contacts, tasks, notes, files and bookmarks. It can be extended with any of the…
IPSEC VPN tunnel setup between two Amazon VPC’s with OpenSwan and EC2 NAT instances’
With services running in multiple VPC’s sooner or later a need will arise for secure clustering of instances across regions. This is especially important in case when such services do not have built in SSL/TLS support or when the services…
IPSec VPN server setup in Amazon VPC with OpenSwan
The access to our Amazon VPC’s atm is based on ssh key pairs. While this is working fine and is pretty much secure it requires though each EC2 instance having public subnet interface which is not always desired. Usually the…