seen some pf.conf settings against remote OS detection at http://nmap.org/misc/defeat-nmap-osdetect.html#OPENBSD:
""The OpenBSD packet filter can also be configured to try to defeat remote OS Fingerprint.."" and at http://hackepedia.org/?title=Pf : "" # block nmap OS detection scans somewhat (-O) block in quick proto tcp flags FUP/WEUAPRSF block in quick proto tcp flags WEUAPRSF/WEUAPRSF block in quick proto tcp flags SRAFU/WEUAPRSF block in quick proto tcp flags /WEUAPRSF block in quick proto tcp flags SR/SR block in quick proto tcp flags SF/SF "" Any tips for a full pf.conf settings ? On Tue, 29 Apr 2008 06:18:38 -0600 macintoshzoom <[EMAIL PROTECTED]> wrote: > How to HIDE "OpenBSD" as user-agent? > > For security reasons it is sometimes interesting to hide GLOBALLLY th > O.S. you are running on AGAINST GIVING ANY CLUE TO HACKERS ABOUT HOW TO > ATTACK YOU. > > Not only browsing but globally. > > Thanks for any tip about this.