Ethereal-users: Re: [Ethereal-users] Re: decrypt Kerberos data

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From: Xiaoguang Liu <syslxg@xxxxxxxxx>
Date: Mon, 22 Aug 2005 16:38:18 +0800
I installed the latest svn version, but the problem persisted.


On 8/18/05, ronnie sahlberg <ronniesahlberg@xxxxxxxxx> wrote:
> Please upgrade to SVC version 15405 or later.
> 
> It fixes the issue in 816fc4.cap   where if it once has seen KRB5
> traffic from the client source port   it assumes all other traffic
> from that port is KRB5 as well,    including the DNS packets following
> a copuple of frames later.
> 
> :wq
> 
> On 8/16/05, Xiaoguang Liu <syslxg@xxxxxxxxx> wrote:
> > Hi all,
> >
> > When I know ethereal 0.10.12 can decrypt kerberos data, I was so
> > excitting. But after testing and research 20+ hours, I failed to work
> > this feature out. Now I am wondering what on earth did I do wrong.
> >
> > Below is my last test, after creating keytab and capture kerberos
> > traffic, I still can not see the decrypted kerbers info. Every things
> > looks the same as I did not specify a keytab file. ( I did enable the
> > "try to decrypt kerberos blob" option)
> > I also attach the keytab and cap trace file. Please help me check what
> > would be the problem.
> >
> > It will also be highly appricated if anyone can send me a sample of
> > keytab and cap file, so that I can have a look at this cool feature.
> >
> > OS: Fedora core 4
> > Ethereal: ethereal-0.10.12.SVN.15374-1.fc4.i386.rpm from
> > http://www.ethereal.com/distribution/buildbot-builds/rpm/
> >
> > KDC: windows 2003 (IP 10.5.3.1)
> > realm: DENYDC.COM
> > princ:
> > 1. u5@xxxxxxxxxx
> > dump NT hash by dumpwd3e.exe, then create keytab file by ktutil on FC4
> > ktutil:addent -key -p u5@xxxxxxxxxx -k 3 -e arcfour-hmac-md5
> > 2. des@xxxxxxxxxx (
> > create keytab file ktpass.exe on windows 2003
> >
> > file attached:
> > 816.key, contains keys for u5 and des
> > 816.cap, des and u5 login for a Windows XP
> > 816fc4.cap, des and u5 login from FC4 by "kinit -k -t 816.key
> > u5@xxxxxxxxxx"
> >
> >
> 
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