From: cc ie (davidscottmartin@gmail.com)
Date: Wed Feb 02 2005 - 13:32:06 GMT-3
Scott,
So would these guys need to push an java app onto my pc before they
could read my internal IP, is that how they do it ? Or do I just send
my internal IP out anyway regardless ?
I'm interesting because I always thought the world only saw my proxied
PAT address.
http://www.auditmypc.com/freescan/scanoptions.asp
cheers
dave
On Wed, 2 Feb 2005 10:02:23 -0500, Scott Morris <swm@emanon.com> wrote:
> There are many applications that embed the host's IP in the upper layers of
> the packet. Take a sniffer to your network sometime. :)
>
>
> Scott Morris, MCSE, CCDP, CCIE4 (R&S/ISP-Dial/Security/Service Provider)
> #4713, JNCIP, CCNA-WAN Switching, CCSP, Cable Communications Specialist, IP
> Telephony Support Specialist, IP Telephony Design Specialist, CISSP
> CCSI #21903
> swm@emanon.com
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of cc
> ie
> Sent: Wednesday, February 02, 2005 9:57 AM
> To: Church, Chuck
> Cc: ccielab@groupstudy.com
> Subject: Re: internal IP should be hidden ? Shouldn't it ?
>
> Chuck,
>
> I would have thought the only thing in the packet was the external address
> of my CE590 and a dynamic port number, associated with my session. I had no
> idea my internal address was also 'hidden' in the packet.
>
> scary.
> dave
>
> On Wed, 2 Feb 2005 08:44:35 -0600, Church, Chuck <cchurch@netcogov.com>
> wrote:
> > Probably a javascript app running locally is telling them. Or your
> > real address is embedded in the data portion of a packet, that the NAT
> > process can't change.
> >
> > Chuck Church
> > Lead Design Engineer
> > CCIE #8776, MCNE, MCSE
> > Netco Government Services - Design & Implementation Team 1210 N.
> > Parker Rd.
> > Greenville, SC 29609
> > Home office: 864-335-9473
> > Cell: 703-819-3495
> > cchurch@netcogov.com
> > PGP key: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x4371A48D
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> > Of cc ie
> > Sent: Wednesday, February 02, 2005 7:55 AM
> > To: ccielab@groupstudy.com
> > Subject: internal IP should be hidden ? Shouldn't it ?
> >
> > My CE590 sits behind my PIX525 which sits behind my 7204VXR.
> >
> > All port 80 traffic gets redirected into the CE590, 1918 addresses
> > gets PAT at the external interface of the cache engine. After which is
> > flows through the PIX before it leaves via 7204 out to the ISP.
> >
> > Diagram:
> > INTERNET > 7204VXR > PIX525 > CE590> Switch>LAN> ME :-)
> >
> > Can somebody please tell me how these guys at auditmypc can sniff my
> > internal address ?
> > http://www.auditmypc.com/freescan/scanoptions.asp
> >
> > Dave
> >
> > ______________________________________________________________________
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