Archive for October, 2004

Solaris’s maxcontig setting

After reading through the following UFS tuning information: http://www.solarisinternals.com/si/reading/fs2/fs2.html I started playing with the UFS “maxcontig” tunable. This value controls the number of file system blocks that will be read or written in a single operation. Each UFS file system contains a maxcontig value, which can be printed with the Solaris “fstyp” command: $ fstyp [...]

OpenBSD PF: Filtering traffic by Operating System

I was reading through the PF manual, and came across a section on filtering traffic with “Passive Operating System Fingerprinting”: http://www.openbsd.org/faq/pf/filter.html PF contains dozens of Operating System fingerprints. The full list of fingerprints can be printed with the pfctl utility: $ pfctl -s osfp | tail -5 Windows XP RFC1323 Windows XP SP1 Windows XP [...]