Nessus does not use one daemon per plugin. If it did, it would not
be that fast.

If you had two nessusd processes, one was likely the main nessusd
process (waiting for new scan jobs) and the other was doing your
scanning within the parameters of your max hosts and checks.

If you scanned more targets, you'd get more nessusd processes being
forked off, but it's not a 1-target to 1-nessusd ratio.

Ron Gula
Tenable Network Security

赵永胜 wrote:
> I set max_hosts = 15 and max_checks = 20 in the file nessusd.conf, and the 
> same in my nessusrc file, then I started my scan according to the command :
> 
> nessus -c nessusrc -qx localhost 1241 user pwd targets result.xml
> 
> the content of my targets file is 192.168.2.2.
> 
> when I checked the nessus process number via this command : ps aux | grep 
> nessus, I found that there were only 
> one or two 'nessusd: testing 192.168.2.2 ...' but not 20 such processes at 
> the same time.
> 
> could someone tell why? 
> thanks in advance.
> 
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