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Nmap 5.51 Released
From: Fyodor <fyodor () insecure org>
Date: Fri, 11 Feb 2011 16:18:35 -0800

Hi folks!  I'm happy to report that Nmap 5.50 has been a huge success,
with nearly 300,000 downloads in the two weeks it has been available!
That much attention inevitably uncovers some bugs, so I'm pleased to
release 5.51 to address them.  Most of the bugs are pretty minor.

Nmap 5.51 source code as well as binary packages for Linux, Mac, and
Windows are now available at:


If you find any bugs, please let us know on nmap-dev as described at
http://nmap.org/book/man-bugs.html.  We're not planning another stable
release in the near term, but you can inspire one by finding a big
enough bug :).

Here is the list of changes in 5.51:

o [Ndiff] Added support for prerule and postrule scripts. [David]

o [NSE] Fixed a bug which caused some NSE scripts to fail due to the
  absence of the NSE SCRIPT_NAME environment variable when loaded.
  Michael Pattrick reported the problem. [Djalal]

o [Zenmap] Selecting one of the scan targets in the left pane is
  supposed to jump to that host in the Nmap Output in the right pane
  (but it wasn't).  Brian Krebs reported this bug. [David]

o Fixed an obscure bug in Windows interface matching. If the MAC
  address of an interface couldn't be retrieved, it might have been
  used instead of the correct interface. Alexander Khodyrev reported
  the problem.  [David]

o [NSE] Fixed portrules in dns-zone-transfer and ftp-proftpd-backdoor
  that used shortport functions incorrectly and always returned
  true. [Jost Krieger]

o [Ndiff] Fixed ndiff.dtd to include two elements that can be diffed:
  status and address. [Daniel Miller]

o [Ndiff] Fixed the ordering of hostscript-related elements in XML
  output. [Daniel Miller]

o [NSE] Fixed a bug in the nrpe-enum script that would make it run for
  every port (when it was selected--it isn't by default).  Daniel
  Miller reported the bug. [Patrick]

o [NSE] When an NSE script sets a negative socket timeout, it now
  causes a controlled Lua stack trace instead of a fatal error.
  Vlatko Kosturjak reported the bug. [David]

o [Zenmap] Worked around an error that caused the py2app bootstrap
  executable to be non-universal even when the rest of the application
  was universal. This prevented the binary .dmg from working on
  PowerPC. Yxynaxen reported the problem. [David]

o [Ndiff] Fixed an output line that wasn't being redirected to a file
  when all other output was. [Daniel Miller]

Enjoy the new release!
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