pfs.8 revision 1.2
1 .Dd July 21, 2009 2 .Dt PFS 8 3 .Os 4 .Sh NAME 5 .Nm pfs 6 .Nd save and restore information for NAT and state tables. 7 .Sh SYNOPSIS 8 .Nm 9 .Op Fl v 10 .Fl l 11 .Nm 12 .Op Fl bv 13 .Fl R 14 .Ar filename 15 .Nm 16 .Op Fl bv 17 .Fl r 18 .Ar filename 19 .Nm 20 .Op Fl v 21 .Fl u 22 .Nm 23 .Op Fl bv 24 .Fl W 25 .Ar filename 26 .Nm 27 .Op Fl bv 28 .Fl w 29 .Ar filename 30 .Sh DESCRIPTION 31 The 32 .Nm 33 command allows state information created for NAT entries and rules using 34 .Dq keep state 35 to be locked (modification prevented) and then saved to disk, 36 allowing for the system to experience a reboot, followed by the restoration 37 of that information, resulting in connections not being interrupted. 38 .Sh OPTIONS 39 .Bl -tag -width XrXfilenameXX 40 .It Fl b 41 The information are read or stored using binary format. 42 The default format is a readable ASCII format, similar to 43 .Pa pfctl.conf 44 syntax. 45 .It Fl l 46 Lock state tables in the kernel. 47 .It Fl R Ar filename 48 Restore information from 49 .Ar filename 50 and load it into the kernel. 51 The state tables are locked at the beginning of this operation and 52 unlocked once complete. 53 .It Fl r Ar filename 54 Read information in from 55 .Ar filename 56 and load it into the kernel. 57 This requires the state tables to have already been locked 58 and does not change the lock once complete. 59 .It Fl u 60 Unlock state tables in the kernel. 61 .It Fl v 62 Provide a verbose description of what's being done. 63 .It Fl W Ar filename 64 Write information from the kernel out to 65 .Ar filename . 66 The state tables are locked at the beginning of this operation and 67 unlocked once complete. 68 .It Fl w Ar filename 69 Write information from the kernel out to 70 .Ar filename . 71 This requires the state tables to have already been locked 72 and does not change the lock once complete. 73 .El 74 .Sh FILES 75 .Pa /dev/pf 76 .Sh SEE ALSO 77 .Xr pf 4 78
Indexes created Fri Oct 31 11:10:07 GMT 2025