Package: iperf Version: iperf_2.0.4-3 When iperf encounters a fatal error when binding to a port, such as the port being already in use or lacking permission, it fails to give fatal error, but instead pretends to continue to listen on the port.
$ iperf -v iperf version 2.0.4+svnr43 (7 Apr 2008) pthreads $ iperf -s -p 80 bind failed: Permission denied ------------------------------------------------------------ Server listening on TCP port 80 TCP window size: 85.3 KByte (default) ------------------------------------------------------------ This is with the iperf_2.0.4-3_i386.deb package. The attached patch resolves the issue.
iperf-die-on-bind-fail.patch
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