[Oisf-users] Detect problem with http_header

rmkml rmkml at yahoo.fr
Fri Dec 23 21:19:19 UTC 2011


with suricata v1.1.1.
Regards
Rmkml


On Fri, 23 Dec 2011, rmkml wrote:

> Hi,
> I have same pb when using http_header on http reply.
> Merry Christmas.
> Regards
> Rmkml
>
>
> On Fri, 23 Dec 2011, Martin Holste wrote:
>
>> http_raw_header does not work.  Removing 0d 0a does not work.  In
>> fact, searching for just "attachment" in http_header does not work.
>> Stats show the stream is properly processed and all packets are
>> accounted for.  No one else is having issues with http_header in
>> responses?  I verified that the latest git code behaves like the code
>> we have in production.
>> 
>> On Fri, Dec 23, 2011 at 1:37 PM, Chris Wakelin
>> <c.d.wakelin at reading.ac.uk> wrote:
>>> On 23/12/2011 18:59, Martin Holste wrote:
>>>> I'm trying to get a signature to work which is looking for a specific
>>>> server response HTTP header, namely:
>>>> content:"|0d 0a|Content-Disposition: attachment|3b| filename=";
>>>> If I add "http_header" as a modifier, it doesn't hit.  Client stuff
>>>> seems to work fine.  I'm using the default libhtp config.
>>>> Suggestions?
>>> 
>>> Does it work with http_raw_header?
>>> 
>>> This might be a good case for the new filename:"" keyword in 1.2 beta,
>>> though I've not tried it yet and I'm not sure whether you could use a 
>>> pcre.
>>> 
>>> I'm having some success with the filestore: options though :)
>>> 
>>> Best Wishes,
>>> Chris
>>> 
>>> --
>>> --+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+-
>>> Christopher Wakelin,                           c.d.wakelin at reading.ac.uk
>>> IT Services Centre, The University of Reading,  Tel: +44 (0)118 378 8439
>>> Whiteknights, Reading, RG6 2AF, UK              Fax: +44 (0)118 975 3094
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>


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