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.Dd March 16, 2011
.Dt natpmpd 8      \" Program name and manual section number 
.Os Darwin
.Sh NAME                 \" Section Header - required - don't modify 
.Nm natpmpd
.\" The following lines are read in generating the apropos(man -k) database. Use only key
.\" words here as the database is built based on the words here and in the .ND line. 
.\" Use .Nm macro to designate other names for the documented program.
.Nd NAT Port mapping daemon.
.Sh SYNOPSIS             \" Section Header - required - don't modify
.Nm
.Op Fl d
.Op Fl k Ar mssclamp
.Op Fl x/y Ar privateIfName
publicIfName
.Sh DESCRIPTION          \" Section Header - required - don't modify
.Nm
is a daemon implementing NAT-PMP. NAT-PMP is a protocol for handling port forwarding requests from clients behind a NAT. 
It is normally invoked by
.Xr InternetSharing 8
.Pp                      \" Inserts a space
The options are as follows:
.Bl -tag -width Ds
.It Fl x/y Ar publicinterface
The private interfaces that need the use the service.
.El
.Sh NOTES
com.apple/100.InternetSharing/natpmp PF anchor is required for this daemon to correctly function.
.Pp
.Sh SEE ALSO
.Xr InternetSharing 8 ,
.Xr pf.conf 5