RARPD(8) | System Manager's Manual | RARPD(8)

# NAME

`rarpd` — reverse ARP daemon

# SYNOPSIS

`rarpd` | [`-adflt`] if0 [... ifN]

# DESCRIPTION

`rarpd` services Reverse ARP requests on the Ethernet connected to the specified interfaces. Upon receiving a request, `rarpd` maps the target hardware address to an IP address via its name, which must be present in both the ethers(5) and hosts(5) databases. If a host does not exist in both databases, the translation cannot proceed and a reply will not be sent.

In normal operation, `rarpd` forks a copy of itself and runs in the background. Anomalies and errors are reported via syslog(3).

The options are as follows:

`-a`
  Listen on all the Ethernets attached to the system. If `-a` is omitted, a list of interfaces must be specified.
`-d`
  Run in debug mode, with all the output to stderr. This option implies the `-f` option.
`-f`
  Run in the foreground.
`-l`
  Log all requests to syslog(3).
`-t`
  Only honour a request if the server (the host that `rarpd` is running on) can "boot" the target; that is, if a file or directory called /tftpboot/ipaddr exists, where ipaddr is the target IP address expressed in uppercase hexadecimal (only the first 8 characters of filenames are checked).

# FILES

/etc/ethers
  Ethernet host name database.
/etc/hosts
  Host name database.

# SEE ALSO

bpf(4), diskless(8)

# STANDARDS

R. Finlayson, T. Mann, J. Mogul, and M. Theimer, A Reverse Address Resolution Protocol, RFC 903, June 1984.

# AUTHORS

Craig Leres <leres@ee.lbl.gov> and Steven McCanne <mccanne@ee.lbl.gov>, Lawrence Berkeley Laboratory, University of California, Berkeley, CA.

October 28, 2015 | Debian