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natutil(8) BSD System Manager's Manual natutil(8) NAME natutil -- Query and configure supported Network Address Translation (NAT) devices SYNOPSIS natutil [-vx] [-a auth] [-n name] {-1 | -d | -m | -s | -i | -L} natutil [-vx] [-a auth] [-n name] {-t | -u} {-T | -U} -p ports DESCRIPTION natutil uses the ACP protocol to detect, configure, and extract status information from Internet gate-way gateway way devices (IGDs) (such as AirPort Base Stations) on the local network. Since most IGDs provide Net-work Network work Address Translation (NAT) service, they are often interchangably referred to as "NAT devices" or simply "NATs". The first synopsis line (with the exception of -L) returns various information from NAT devices. The second invocation modifies settings on the device. After modifying settings, AirPort Base Stations must be rebooted for the changes to take effect. ( servermgrd(8) also reboots the AirPort Base Station when it modifies port mappings.) OPTIONS The following options / commands are available: -1 Only return data if the IGD found is also our current gateway. [AirPort only] Will only return if this base station can be autoconfigured -a auth [AirPort only] The authentication string to use when communicating with a device protected with a password other than the default "public". Used mostly for scripted operation. Use -i to get the authentication string interactivly. -i Get the authentication string interactivly. This preferred over -a for security reasons. -d Reports the IGDs (Internet Gateway Devices) that were found during the discovery. -m Retrieves the port mapping table from the NAT. -n name The prefix of the targeted NAT device's name (useful in a LAN with multiple NAT devices). -p ports A comma-separated list of the ports to tap or untap. Must be used with -t or -u. -s Retrieves the WAN & LAN status and configuration from the IGD. -t Configures the NAT to forward the given ports to this machine. Requires -p and either -T or -U. -u Removes the given ports from the NAT's port forwarding rules. Requires -p and either -T or -U. -v Verbose output. Provides progress and status information on standard output. -x XML output. This option provides the most information. -L [AirPort only] Convert existing DHCP lease into a static reservation so the host will receive the same IP address after each reboot. -T Ports will be tapped / untapped for the TCP protocol. Must be used with -t or -u. -U Ports will be tapped / untapped for the UDP protocol. Must be used with -t or -u. SEE ALSO ifconfig(8), ipconfig(8) Mac OS X Server 10.5 July 23, 2007 Mac OS X Server 10.5 |
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