Steve, I tested this with the latest MPICH development snapshot and the behavior is still the same as you describe. I will file a ticket and cc you to track progress on a possible fix. Ken On 05/28/2014 02:47 PM, Steve Krueger wrote:
I am using MPICH 1.4.1p1 with ch3:sock device, and have noticed that it is vulnerable to being scanned by nmap.
With a rank sitting on an MPI_Recv, if you use nmap to scan the rank's listen ports with a command like:
nmap -p <port> -T4 -A -v <host>
MPI_Recv with detect an error and exit.
Has this been fixed in newer versions of MPICH?
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