Re: Bad IP-checksums

[Gisle Vanem <gvanem () broadpark no>]

"David Fifield" <david () bamsoftware com> wrote:

> > The UDP checksum is correct but the IP checksum is wrong.  The
> > documentation for the U1 probe says that the IPID is supposed to be set
> > to 0x1042 but yours are set to 0x4210.

And some of the packets contains IP-chksum 0x0000. Like nmap forgot
to set it. Doesn't look like a endian issue in all cases.

> This was an Nmap bug that was fixed by Michael in r7814:
>
> http://seclists.org/nmap-dev/2008/q2/0536.html

Trying to fetch nmap via svn, I'm getting this error:

  Running "svn update"
  ...
  Fetching external item into 'nbase'
  External at revision 9124.

  Fetching external item into 'zenmap'
  svn: Working copy 'zenmap/test' not locked

I've never seen this before. Something wrong at my end?

--gv

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