diff options
Diffstat (limited to 'sbin/natd/natd.8')
| -rw-r--r-- | sbin/natd/natd.8 | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/sbin/natd/natd.8 b/sbin/natd/natd.8 index 8aeb312..4389afc 100644 --- a/sbin/natd/natd.8 +++ b/sbin/natd/natd.8 @@ -214,7 +214,23 @@ as the alias address. If this option is not specified, the .Fl n or .Fl interface -option must be used. +option must be used. The specified address should be the address assigned +to the public network interface. +.Pp +All data passing out through this addresses interface will be rewritten +with a source address equal to +.Ar address . +All data arriving at the interface from outside will be checked to +see if it matches any already-aliased outgoing connection. If it does, +the packet is altered accordingly. If not, all +.Fl redirect_port +and +.Fl redirect_address +assignments are checked and actioned. If no other action can be made, +and if +.Fl deny_incoming +is not specified, the packet is delivered to the local machine and port +as specified in the packet. .It Fl n | interface Ar interface Use @@ -229,7 +245,10 @@ flag should also be used. If this option is not specified, the or .Fl alias_address flag must be used. - +.Pp +The specified +.Ar interface +must be the public network interface. .It Fl f | config Ar configfile Read configuration from .Ar configfile . |
