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in.aspd(8)

Linux
February 1997

asp

Discovers present ip-address of dynamically connected hosts

NAME

aspd - Address Search Protocol Daemon

SYNOPSIS

aspd [-r repetitions] [-i interface] [hostname]
aspd -V
in.aspd [-r repetitions] [hostname]
in.aspd -V

DESCRIPTION

Aspd is a daemon that waits for incoming address requests on asp’s port. If aspd detects itself as being the searched host, it sends a reply to the client, allowing the retrieval of its IP address. It is possible to specify an alternate hostname on command line, instead of using the value returned from the gethostname(3) function. This is useful if your hostname is dynamically changed when the link goes up.
If aspd is invoked as in.aspd it will work as a server: it makes its work and exit, instead of wait for new requests; this is useful if you want inetd(8) to automatically run the server when a request arrives.

OPTIONS

-r repetitions
Set the number of times to re-send the reply. Default is 5 times.
-i interface
Set the interface used to get the address to send to the client, for example ppp0. Note that this option can’t be used if aspd is invoked by inetd. Note also that you have to kill aspd if the interface address changes.
-V Show version information

LOGGING

The peer IP address and the searched hostname are logged through the syslogd(8) system logger daemon, using the daemon facility and the notice level. Transmission errors use the warning level and are logged only if aspd was compiled with the debug support.

FILES

/etc/services
Used by aspd to find the asp protocol port number.

BUGS

Maybe.

AUTHOR

Stenio Brunetta <>
Comments and suggestions
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