Archive for 'OpenBSD'
Backup Files and Partitions with dd and netcat
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 OpenBSD 3.9 with nc that comes with base as the server host, and NetBSD 3.99.14 […]
Posted: January 17th, 2007 under DragonFlyBSD, FreeBSD, NetBSD, Networking, OpenBSD, Papers, System Administration.
Comments: 1
Configuring IPSec with x509 certificates on OpenBSD
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 CA certificate in /etc/isakmpd/ca.
# ls -al /etc/isakmpd/ca
total 16
drwxr-xr-x […]
Posted: January 17th, 2007 under Networking, OpenBSD, Papers, Security.
Comments: 2
Q: Why do I get “read text: Unknown error: code 60 failed(60)” when trying to PXE boot OpenBSD?
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: January 16th, 2007 under Answers, Networking, OpenBSD.
Comments: none