Publish Date: Sep. 4, 2003
A common security breach involves exploiting one application to gain access to another. Keeping separate applications separate can limit the potential damage. Mike DeGraw-Bertsch explains how FreeBSD's jails can help secure necessary applications.
IPv6, Meet FreeBSD
Publish Date: Feb. 22, 2002
Mike DeGraw-Bertsch takes us through the configuration of IPv6 on FreeBSD.
IPsec Tunneling Between FreeBSD Hosts
Publish Date: Dec. 10, 2001
IPSec encrypts data at the IP packet level, so insecure applications can be encrypted while travelling over the Internet. Mike DeGraw-Bertsch shows us how to set it up.
IPFilter on OpenBSD
Publish Date: Aug. 2, 2001
IPFilter is a firewall widely used by BSD and Solaris. Mike DeGraw-Bertsch explains how to set it up on OpenBSD and explains a basic ruleset.
Carnivore: A System Admin's Concerns
Publish Date: May. 29, 2001
The packet-sniffing Carnivore box gives the FBI the ability to nab and read a suspect's e-mail and web page requests. But those are abilities every sysadmin already has, so why are we so upset?
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