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Dd July 21, 2009
Dt PFS 8
Os
Sh NAME
Nm pfs
Nd save and restore information for NAT and state tables
Sh SYNOPSIS
Nm
Op Fl v
Fl l
Nm
Op Fl bv
Fl R
Ar filename
Nm
Op Fl bv
Fl r
Ar filename
Nm
Op Fl v
Fl u
Nm
Op Fl bv
Fl W
Ar filename
Nm
Op Fl bv
Fl w
Ar filename
Sh DESCRIPTION
The
Nm
command allows state information created for NAT entries and rules using
Dq keep state
to be locked (modification prevented) and then saved to disk,
allowing for the system to experience a reboot, followed by the restoration
of that information, resulting in connections not being interrupted.
Sh OPTIONS
Bl -tag -width XrXfilenameXX
It Fl b
The information are read or stored using binary format.
The default format is a readable ASCII format, similar to
Pa pfctl.conf
syntax.
It Fl l
Lock state tables in the kernel.
It Fl R Ar filename
Restore information from
Ar filename
and load it into the kernel.
The state tables are locked at the beginning of this operation and
unlocked once complete.
It Fl r Ar filename
Read information in from
Ar filename
and load it into the kernel.
This requires the state tables to have already been locked
and does not change the lock once complete.
It Fl u
Unlock state tables in the kernel.
It Fl v
Provide a verbose description of what's being done.
It Fl W Ar filename
Write information from the kernel out to
Ar filename .
The state tables are locked at the beginning of this operation and
unlocked once complete.
It Fl w Ar filename
Write information from the kernel out to
Ar filename .
This requires the state tables to have already been locked
and does not change the lock once complete.
El
Sh FILES
Pa /dev/pf
Sh SEE ALSO
Xr pf 4

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