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RE: HEAD request
From: "Ory Segal" <osegal () watchfire com>
Date: Mon, 11 Sep 2006 19:33:42 +0300

That's correct, hence why I wrote "usually".

A Firewall/WAF/Proxy may be blocking this and dropping the connection
altogether.

Although my guess is that the problem lies somewhere in the netcat
usage. I noticed that NetCat has some quirks when connecting to IIS/6.x
- in some scenarios the connection is dropped if you try to send HTTP
traffic through the command line. 

I think that the best way to check if this is the problem is to use a
file input:
nc www.some.site 80 < file

And make sure that the file has the two CRLFs after the request, for
example:
HEAD / HTTP/1.0
[CRLF]
[CRLF]

-Ory Segal


-----Original Message-----
From: Levenglick, Jeff [mailto:JLevenglick () fhlbatl com] 
Sent: Monday, September 11, 2006 6:38 PM
To: Ory Segal; vijay shetti; pen-test () securityfocus com
Subject: RE: HEAD request

Not always. Someone could have it blocked on a proxy/firewall.

-----Original Message-----
From: listbounce () securityfocus com [mailto:listbounce () securityfocus com]
On Behalf Of Ory Segal
Sent: Monday, September 11, 2006 4:42 AM
To: vijay shetti; pen-test () securityfocus com
Subject: RE: HEAD request

Hi,

Have you tried any other HTTP methods? did they work?

Usually, if an HTTP method is not allowed, you should receive an error
message (e.g. 403).

-Ory Segal
Watchfire ( http://www.watchfire.com )
  

-----Original Message-----
From: listbounce () securityfocus com [mailto:listbounce () securityfocus com]
On Behalf Of vijay shetti
Sent: Saturday, September 09, 2006 11:14 AM
To: pen-test () securityfocus com
Subject: HEAD request

Hello all!!!

I am doing assessment of a web server

When I issue HEAD request using nc I don't get any response from the
webserver and I get disconnected after some time.
What should i conclude from that?Does it mean that the administrator has
blocked HEAD requests?

regards,
Vijay

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