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
STANDARDS
R. Finlayson, T. Mann, J. Mogul, and M. Theimer, A Reverse Address Resolution Protocol, RFC 903, June 1984.
AUTHORS
Craig Leres ⟨[email protected]⟩ and Steven McCanne ⟨[email protected]⟩, Lawrence Berkeley Laboratory, University of California, Berkeley, CA.