The micro-course describes the way to create an encoded tunnel with the use of the IPsec protocol and a static key. Moreover it describes how these tasks are done with ipsec-tools and the IPsec protocol built in the Linux system kernel.
Keywords: IPsec, OpenSSL, KAME, ipsec-tools, ESP, AH, Security Association, SA, ipsec-tools.conf, setkey, openswan
IPsec protocol with a static key
Using OpenSSL
IPsec implementations
Creating VPN
IPsec-tools/KAME project
Configuration
Example configuration
Testing the incomplete encoding
Full encoding and authentication
Testing full encoding
OpenSWAN
Installation from sources
Running and verifying the OpenSWAN service
Configuration