Public bug reported:
Binary package hint: iperf
When iperf is ran as an normal user, and you tell it to listen on a
privileged port (anything below 1024), it should die when the bind
fails. Instead, it acts as if its still listening on the port you
specified.
bwin...@wh-mon06:~$ apt-cache policy iperf
iperf:
Installed: 2.0.4-1
Candidate: 2.0.4-1
Version table:
*** 2.0.4-1 0
500 http://us.archive.ubuntu.com intrepid/universe Packages
100 /var/lib/dpkg/status
bwin...@wh-mon06:~$ iperf -s -p 500
bind failed: Permission denied
------------------------------------------------------------
Server listening on TCP port 500
TCP window size: 85.3 KByte (default)
------------------------------------------------------------
** Affects: iperf (Ubuntu)
Importance: Undecided
Status: New
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iperf fails to die when bind fails
https://bugs.launchpad.net/bugs/331535
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