Archive for 'Security'
Setting up IPSec over GRE on OpenBSD
This document will explain howto set up an IPSec encrypted GRE tunnel on OpenBSD. In the document, both end points are OpenBSD 4.1 systems, however it should be fairly straight forward to implement on other systems.
To start, I would advise disabling pf on gre0 and enc0 until you have the encrypted tunnel working, this […]
Posted: May 17th, 2007 under Networking, OpenBSD, Papers, Security.
Comments: 5
Q: How do I encrypt file transfers with dd and netcat?
A: This question came to us in response to the article Backup Files and Partitions with dd and netcat.
Encrypting these files transfers is quite simple.
As in the previous article, we will setup the server to listen on port 9999 and redirect output to “backup.file”
server# nc -l -p 9999 | \\
[…]
Posted: March 9th, 2007 under Answers, DragonFlyBSD, FreeBSD, NetBSD, OpenBSD, Security, System Administration.
Comments: none
Configuring racoon/ipsec-tools to use x509 Certificates
This paper reviews the process to configure racoon/ipsec-tools to authenticate IPSec communications via x509 certificates.
Our example does not cover howto configure a Certificate Authority (CA). This process will be examined in another paper. Our example also assumes the clients are both NetBSD, however the procedures are nearly the same for Linux, FreeBSD and […]
Posted: January 17th, 2007 under DragonFlyBSD, FreeBSD, NetBSD, Networking, Papers, Security.
Comments: none