unix86.org

cd /tmp
vi cvs-supfile

# Defaults that apply to all the collections
*default host=cvsup.jp.OpenBSD.org
*default base=/var
*default prefix=/usr
*default umask=002 release=cvs delete use-rel-suffix

# If your network link is a T1 or faster, comment out the following line.
*default compress

#OpenBSD-all
OpenBSD-ports tag=.
#OpenBSD-src
#OpenBSD-www
#OpenBSD-xenocara
#OpenBSD-x11
#OpenBSD-xf4

cvsup -g -L 2 /tmp/cvs-supfile

http://www.zytrax.com/tech/howtos/firewall.html

ipfw

• Wikipedia ipfw article http://en.wikipedia.org/wiki/Ipfirewall
• FreeBSD handbook http://www.freebsd.org/doc/en_US.ISO…alls-ipfw.html

ipfilter

• Wikipedia ipfilter article http://en.wikipedia.org/wiki/IPFilter
• FreeBSD handbook http://www.freebsd.org/doc/en_US.ISO…walls-ipf.html
• The classical ipf tutorial http://www.darkart.com/mirrors/www.obfuscation.org/ipf

pf

• Wikipedia pf article http://en.wikipedia.org/wiki/PF_%28firewall%29
• pf user’s guide http://openbsd.org/faq/pf/index.html
• FreeBSD handbook pf chapter http://www.freebsd.org/doc/en_US.ISO…ewalls-pf.html
• “PF: Firewall Ruleset Optimization” by Daniel Hartmeier, pf developer, http://undeadly.org/cgi?action=artic…20060927091645
• “PF: Testing Your Firewall” by Daniel Hartmeier, pf developer, http://undeadly.org/cgi?action=artic…20060928081238
• “PF: Firewall Management” by Daniel Hartmeier, pf developer, http://undeadly.org/cgi?action=artic…20060929080943
• “Firewalling with OpenBSD’s PF packet filter” by Peter Hansteen http://home.nuug.no/~peter/pf/