Performance Improvement Request - Stop a host currently being scanned through runtime interaction

[Sam Hamid <samhamid () live com>]

Request:
Is it possible to add a feature to allow users to stop\skip, or maybe even add, a specific host after a scan is 
initiated?

For example: Similar to pressing d or v to increase the debugging or verbosity levels while a scan is running, maybe 
pressing a key (s for example) followed by an IP address to stop scanning that specified IP address and a key (a for 
example) followed by an IP address to add that IP to the list of hosts to scan.

The reason I ask this is because I ran into a situation where I scanned a /24 subnet and all hosts completed fairly 
quickly but 1 host took almost as long as all the other hosts combined. I didn't want to stop the scan so that I don't 
lose my progress. Having an option like this could have saved me some time and I think it could be valuable to others.

Thanks,
Sam.

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