So if you pick one of the boxes to scan, and say ... Try to push a file to
it, you get really good throughput ? 

Also .. Tail the nessusd.messages file during an attack for a box .. See how
long between attacks .. It should log the firing off of each attack to that
file, so you'll be able to see if just some of the attacks are slow or if
it's all of them .. 

Also .. You can run specific attacks from the command line using the nasl
binary .. 

 man nasl for details ..


Dan Muldoon
Security Consultant
Spohn Consulting


On 9/24/05 9:58 AM, "Kelly, Jim" <[EMAIL PROTECTED]> wrote:



-----Original Message----- 
From: Dan Muldoon [mailto:[EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]>  
Sent: Friday, September 23, 2005 11:02 PM 
To: [EMAIL PROTECTED]; Kelly, Jim; [email protected] 
Subject: Re: Nessus taking a long time to scan 

What devices (IPS,Routers,Firewalls, etc) are between you and the target 
hosts? 
>>none 
How much bandwidth do you have to them?  What is normal thorughput? 
>>100 mps 
Are there any tarpits on the target network? 
>>no I'm hooked right into the switch 
How long between portscan and the attack phase? 
>>Portscan completes quickly. Checks take a looooong time 

Answer that and give us a pcap sniffer trace of the attempt .. 
>>wasn't able to grab this but a casual tcpdump revealed limited traffic 
coming out of my eth0 interface. Aother laptop plugged into a different 
port on same switch showed much more traffic flowing via tcpdump. 

Jim Kelly 





--- "Kelly, Jim" <[EMAIL PROTECTED]> wrote: 

> I just want to get everyone's feedback: 
> Nessus is currently up to 9333+ plugins 
> 
> Even with all the irrelevant plugins unchecked...like slackware, 
> freebsd, solaris checks etc. 
> Network only has windows 2003 
> total of 60 hosts 
> It's taking me 5-7 hours. 
> I'm using three laptops 
>  one C800 Dell 
>  one D600 Dell 
>  one Compaq Presario R3000. 
> 
> Is this typical for you all? 

I've had some sad scans like this, due to how slow the host responded to 
the packets.  Can you watch the wire and see what your response time is? 
This may help in troubleshooting. 

Jon 




                
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