What probe level should I use?
What timeout values should I use?
What signal should I send to kill a tool process when it times out?
How far out from the original target should I probe? (Under no circumstances should this be higher than "2" unless you're POSITIVE you know what you're doing!)
As I move out to less proximate hosts, how much should I drop the probe level?
When I go below 0 probe level, should I:
Should I do subnet expansion; that is, should I probe just the target or its entire subnet?
Does porcupine.org appear in rhosts, hosts.equiv or NFS exports files of hosts being probed?
podunk.edu
If you only want to probe sites on a particular subnet, you could use, for example:
192.9.9
You can specify multiple shell-like patterns, separated by whitespace or commas, and you may mix networks and domains. A host will be scanned when it matches any pattern: either a network number prefix or an internet domain suffix.
mil, gov
You can specify multiple shell-like patterns, separated by whitespace or commas, and you may mix networks and domains. A host will be skipped when it matches any pattern: either a network number prefix or an internet domain suffix.