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+.\" @(#) $Header: tcpdump.1,v 1.30 90/10/11 19:35:03 mccanne Exp $ (LBL)
+.\"
+.\" Copyright (c) 1988-1990 The Regents of the University of California.
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that: (1) source code distributions
+.\" retain the above copyright notice and this paragraph in its entirety, (2)
+.\" distributions including binary code include the above copyright notice and
+.\" this paragraph in its entirety in the documentation or other materials
+.\" provided with the distribution, and (3) all advertising materials mentioning
+.\" features or use of this software display the following acknowledgement:
+.\" ``This product includes software developed by the University of California,
+.\" Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
+.\" the University nor the names of its contributors may be used to endorse
+.\" or promote products derived from this software without specific prior
+.\" written permission.
+.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+.\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+.\"
+.TH RARPD 8 "26 Oct 1990"
+.SH NAME
+rarpd \- Reverse ARP Daemon
+.SH SYNOPSIS
+.na
+.B rarpd
+[
+.B \-af
+]
+[
+.I interface
+]
+.br
+.ad
+.SH DESCRIPTION
+.LP
+.I Rarpd
+services Reverse ARP requests on the Ethernet connected to
+.I interface.
+Upon receiving a request,
+.Irarpd
+maps the target hardware address to an IP address via its name, which
+must be present in both the
+.I ethers(5)
+and
+.I hosts(5)
+databases.
+If a host does not exist in both databses, the translation cannot
+proceed and a reply will not be sent.
+
+Additionally, a request is honored only if the server
+(i.e., the host that rarpd is running on)
+can "boot" the target; that is, if the directory
+/tftpboot/\fIipaddr\fP
+exists, where \fIipaddr\fP is the target IP address.
+
+In normal operation,
+.I rarpd
+forks a copy of itself and runs in
+the background. Anomalies and errors are reported via
+.I syslog(3).
+
+.SH OPTIONS
+.LP
+.TP
+.B \-a
+Listen on all the Ethernets attached to the system.
+If `-a' is omitted, an interface must be specified.
+.TP
+.B \-f
+Run in the foreground.
+
+.SH FILES
+/etc/ethers
+.br
+/etc/hosts
+.br
+/tftpboot
+.SH SEE ALSO
+bpf(4)
+.br
+RFC 903: Finlayson, R.; Mann, T.; Mogul, J.C.; Theimer, M. Reverse Address
+Resolution Protocol. 1984 June; 4 p.
+.SH AUTHORS
+Craig Leres (leres@helios.ee.lbl.gov) and
+Steven McCanne (mccanne@helios.ee.lbl.gov).
+Lawrence Berkeley Laboratory, University of California, Berkeley, CA.
+.SH BUGS
+You must have the Berkeley Packet Filter configured into your kernel
+in order to use this program. This isn't really a bug, but it isn't
+exactly a feature either.