Seems like a lot of hosts.  Why don't you do a nmap scan to see which hosts are up and then do a scan using nessus.  The route you are taking is akin to watching paint dry.  You may not have so many acitve hosts.  And don't use ping to scan them as you will grow a year old when this is over.
 
Sanjeev
All work and no play makes Jack a dull boy --- Jack Torrance, The Shining
----- Original Message -----
Sent: Friday, May 12, 2006 4:10 PM
Subject: Missing hosts in scan

OK, this is my second try, does anyone know why I would be missing hosts within a scan? I am scanning an address range of xx.xx.xx.xx/255.255.248.0 which allows for 8192 subnets and 2046 hosts per subnet. Is this too much for nessus to handle? The hosts are actually all on the same subnet  but Nessus will not even list all of them; it only scans about 16 hosts. My nessusd.conf file is configured to scan 128 hosts simultaneously. I'm running nessus 2.2.5 for linux on Trustix. I've searched the archives and this is my second cry for help. Any help is appreciated, thanks.


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