sys/man/8/udpecho


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.TH UDPECHO 8
.SH NAME
udpecho \- echo UDP packets
.SH SYNOPSIS
.PP
.B ip/udpecho
[
.B -x
.I ext
]
.SH DESCRIPTION
.PP
Listen on UDP port 7 and echo back any packets
received.
This should only be run for testing since it can
be used to disguise the identity of someone doing a denial of service attack.