Re: Why the "Linux goofiness" socket writability check?

[Solar Designer <solar () openwall com>]

On Sat, Jul 18, 2009 at 09:15:00PM -0600, David Fifield wrote:
> I tried to find an old Linux to test it with. I tried a Linux 2.4 live
> CD but Nmap wouldn't run compiled against a newer Glibc, even compiled
> statically. I compiled it under a 2.6.8.1 live CD from 2004, and version
> detection, NSE, and Ncat worked without any problem.

You can try an Owl live CD, which currently uses Linux 2.4.37.2-ow1
(yes, we're that conservative, although this is about to change), but it
also includes development tools working right off the live CD and
capable of building the latest Nmap from source.  Moreover, Nmap 5.00 is
there, in three forms: installed on the live CD, an RPM package for
installs onto hard drives, and a source code tarball (also, there are
our patches on top of Nmap 5.00 in the native tree).

http://www.openwall.com/Owl/DOWNLOAD.shtml

The latest is Owl-current-20090718-i586.iso.gz (422 MB), available for
example from this mirror:

ftp://ftp.fr.openwall.com/pub/Owl/current/iso/

(some other mirrors are yet to pick it up, though they have 20090716,
which also has Nmap 5.00 - just not with our latest fixes yet).

If you do try this out and run into any issues, no matter how minor,
please do let me know and I'll be happy to help (preferably on the
owl-users mailing list, although this is by no means a requirement).

I could also try on a Linux 2.0.40 / libc 5 / gcc 2.7.2.3 machine (yes,
still in use for over 10 years now), but I doubt that recent Nmap will
build there, and I will hardly have time to fix Nmap to make it build. ;-(

Alexander

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