On Windows, this ID has to be a numeric index. On Linux and some
other OS's, this ID can instead be an interface name. Some examples
of this syntax:
fe80::20f:b0ff:fec6:15af%2
fe80::20f:b0ff:fec6:15af%eth0
This was a lot simpler than the method I previously implemented and posted
to nmap-dev. Now I just extract the zone ID from the already available
getaddrinfo() data rather than parsing it out myself.
line, since this can differ from the reverse DNS results. It can be
particularly important when doing HTTP tests against virtual hosts.
The data can be accessed from target->HostName() from Nmap proper
and host.targetname from NSE scripts. The NSE HTTP library now uses
this for the Host header. Thanks to Sven Klemm for adding this
useful feature.
