Category Archives: OpenBSD

Backup Files and Partitions with dd and netcat

Posted on January 17, 2007 by jeff

This paper walks through various scenarios where dd and netcat can be used to backup files for administrative and forensic purposes. This paper is expected to grow over time and will be updated as time permits. The first example uses … Continue reading →

Posted in DragonFlyBSD, FreeBSD, NetBSD, Networking, OpenBSD, Papers, System Administration | 1 Comment

Configuring IPSec with x509 certificates on OpenBSD

Posted on January 17, 2007 by jeff

This document will explain howto configure OpenBSD’s IPSec to authenticate via a Certificate Authority and x509 certificates. It is demonstrated with OpenBSD 4.1 and depends upon ipsecctl which first appeared in OpenBSD 3.8. First you will need to place your … Continue reading →

Posted in Networking, OpenBSD, Papers, Security | 3 Comments

Q: Why do I get “read text: Unknown error: code 60 failed(60)” when trying to PXE boot OpenBSD?

Posted on January 16, 2007 by jeff

A: You will need to add the following option to /etc/dhcpd.conf on your DHCP server. next-server 10.0.0.5;   The next-server address should refer to your tftp server.

Posted in Answers, Networking, OpenBSD | 1 Comment