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RE: Possibly a stupid question RPC over HTTP
From: "Todd Towles" <toddtowles () brookshires com>
Date: Wed, 13 Oct 2004 14:30:11 -0500

Are you talking about the BITS change? Where it does BITS over HTTP? 

-----Original Message-----
From: full-disclosure-admin () lists netsys com 
[mailto:full-disclosure-admin () lists netsys com] On Behalf Of 
Daniel H. Renner
Sent: Wednesday, October 13, 2004 10:37 AM
To: full-disclosure () lists netsys com
Subject: Re: [Full-disclosure] Possibly a stupid question RPC 
over HTTP

Daniel,

Could you please point out where you read this data?  I would 
like to see this one...
--
Daniel H. Renner <dan () losangelescomputerhelp com> Los Angeles 
Computerhelp


On Tue, 2004-10-12 at 20:54, full-disclosure-request () lists netsys com
wrote:
Message: 18
Date: Tue, 12 Oct 2004 12:41:56 -0700
From: "Daniel Sichel" <daniels () Ponderosatel com>
To: <full-disclosure () lists netsys com>
Subject: [Full-disclosure] Possibly a stupid question RPC over HTTP

This may just reflect my ignorance, but I read (and found hard to
believe) that Microsoft has implemented RPC over HTTP. Is this not a
HUGE security hole? If I understand it correctly it means 
that good old
HTML or XML can invoke a process using standard web traffic 
(port 80)?
Is there any permission checking done? what things can be 
invoked by RPC
over HTTP? Jeeze, to me it looks like the barn door is now 
wide open. Am
I right, and if so, how can I detect RPCs in web traffic to 
block this
junk? Can ANY stateful packet filter see this stuff or is 
the pattern
too broad in allowed RPCs?

Again, I hope this is not a stupid question or 
inappropriate format for
this, as somebody else recently said, there is already 
enough noise on
this list. I would hate to see this list degenerate, it has 
been REALLY
valuable to me as a network engineer on occaison.

Thanks all,
Dan Sichel
Ponderosa telephone
daniels () ponderosatel com



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