http://lcamtuf.coredump.cx/p0f-help/ to help add and refine fingerprints

frantzen@ ok

otherwise preserve `hostname`
netbooted machines can live perfectly fine without it; they get their hostname
earlier.
ok krw@ cedric@

problems noted by fgsch@ and deraadt@

- new entries, taken from arla source tree
- a few comments about cache sizes by me
Unfortunately, the default cache size must be very small (20M),
because the CD currently recommends a /var partition of 25M.

solves PR3376 by matthew.gream@pobox.com, fix slightly different
ok mcbride@ deraadt@

ok millert@

checking for non-zero since an empty field is equivalent to 0.
Problem noted by Graeme Lee.

umask detection.

henning@ OK

reference it rather than /etc/netstart
ok henning@ millert@

millert@ ok

ok hin@ deraadt@ pb@

ok millert@

ok henning@ dhartmei@

ok millert@

Noted by Brian Poole

samba; this is consistent with useradd and adduser.  From Dan Brosemer.

now