
  Ghost Port Scan news: v0.9.x

  First of all, GPS is now based on a new architecture. The main aim of this
transformation was to implement an emission window. It becomed necessary to
limit the number of packets sent without receiving a response back, to avoid
the target host overload. With the precedent version, modified to increase
the scan speed, I had trouble while scaning a slow host (an old i486, running
RedHat 5.2). Well, the timeout is now handled by the packet injector. The
partial rewrite of the main sources made the code clean and easy to understand.

  The other major improvement is the UDP scan support. This scan is based on
the fact that when an UDP datagram is sent to a closed port, an "ICMP port
unreachable" packet is sent back, and nothing happens is it is open. But the
number of "ICMP port unreachable" sent back is limited on some OSs, such as
linux. So the reliability of this scan is not very high.

  Finaly, This release compiles and is fully functionnal under BSD. I tested
it under FreeBSD 4.2 without any problem.

  Long time since last release. But you know, too much to do and not enough
time.

  As usual, mail me if you have trouble or ideas.


 GPS in now maintained by Teardrop, feel free to contact him at: teardrop@altern.org


