default.
Despite their name it doesn't keep TCP sessions alive, it kills
them if the other end has gone AWOL. This happens a lot with
clients which use NAT, dynamic IP assignment or which has a 2^32
* 10^-3 seconds upper bound on their uptime.
There is no detectable increase in network trafic because of this:
two minimal TCP packets every two hours for a live TCP connection.
Many servers already enable keepalives themselves.
The host requirements RFC is 10 years old, and doesn't know about
the loosing clients of todays InterNet.
automagically find all the partitions. This is to be preferred to the
somewhat emetic usage of vinum_slices and the equally obnoxious 'vinum
read' command.
log_in_vain:
log_in_vain turns on logging for packets to ports for which
there is no listener.
rc.sysctl:
A generic way to set sysctl values. It reads /etc/syslog.conf
and sets values based on that. No /etc/syslog.conf has been
checked in yet, and I've not added this to the makefile yet
until I get more feedback.
Reviewed by: -current, -hackers and bde especially
enable_quotas - use quotas on your system
check_quotas - check for violations on startup
By assuming that a system was neat and without violation before it booted
we can skip a long (and at that point needless) process.
Submitted by: Alex Perel <veers@disturbed.net>
suitable defaults pointing to the FreeBSD-shipped versions. This will allow
for easier integration of third-party replacements for these daemons.
Reviewed by: Several members of -committers