nmap not scanning networks?

[Per Engelbrecht]

Hi

> Attempt to scan a network with any method except plain ping results
> in an error:
>
> truss nmap -sT -p 21 '172.19.17.*'
> [...]
> sendto(0x4,0x8094200,0,0x0,{ AF_INET 172.19.17.0:0 },0x10) ERR#49
> 'Can't assign  requested address'
> [...]

use "172.19.17.0-255" and not '   .*'

> Do I have all my boxes broken, or should I rebuild kernel with some
> options, or does nmap be known not to work on FreeBSD?

nmap works just fine on FreeBSD - both 4.x and 5.x

respectfully
/per
per at xterm.dk