[zeromq-dev] zero MQ 2.0 app remote shutdown when probing port with nmap.

Martin Sustrik sustrik at fastmq.com
Mon Sep 14 12:42:59 CEST 2009


Alexandre,

Skrzyniarz Alexandre wrote:
> Hello.
> 
> Probing a port used by a zmq application causes application shutdown:
> 
> ./local_lat lo:5555 1 1
> nmap -p 5555 -P0 localhost
> --->
> Assertion failed: false (zmq_listener_init.cpp:95)
> Aborted

This happens when someone connects to your listening application and the 
connection fails before initial 0MQ handshaking is complete.

The listener should drop the connection silently rather than abort.

Thanks for reporting the problem. It will be solved shortly.

Martin



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