[squid-users] ACL to block installation program

Yuri Voinov yvoinov at gmail.com
Fri Apr 10 18:40:31 UTC 2015


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Agreed.

10.04.15 23:57, brendan kearney пишет:
> I am in a policy enforcement role, and our policy making / auditing team
> approached me about why they could download a jar file from a site
that was
> not explicitly allowed to provide java content (I.e. not on the
> whitelist).  It was because the mime type not being accurate.
> On Apr 10, 2015 1:40 PM, "Yuri Voinov" <yvoinov at gmail.com> wrote:
>
>>
> I would never have such an idea had not occurred. The man asked - I
> answered. I know what you're talking about, and I would use ACL to URL for
> this.
>
> 10.04.15 23:32, brendan kearney пишет:
> >>> Be warned...  a web server can be configured to send an arbitrary mime
> type
> >>> for any file.  You may find .jar files with a mime type of html/text.
> Also
> >>> zipping a jar circumvents this check.  Some ICAP servers have a "true
> >>> content type" check that does not rely on the headers which can be
> forged,
> >>> but actually looks at the file that was requested.
> >>> On Apr 10, 2015 5:00 AM, "Yuri Voinov" <yvoinov at gmail.com>
> <yvoinov at gmail.com> wrote:
> >>>
> >>>>
> >>> http://wiki.squid-cache.org/ConfigExamples/BlockingMimeTypes
> >>>
> >>>
> >>> 10.04.15 14:48, Fiorenza Meini пишет:
> >>>>>> Hi,
> >>>>>> is there a way to filter and block update programs which come from
> >>> Internet, for example java update or windows update , withouth
using the
> >>> url of the web site, but working with  header/mime types ?
> >>>>>>
> >>>>>> Thanks and regards
> >>>>>>
> >>>>>> Fiorenza Meini
> >>>
> >>>>
> >>>> _______________________________________________
> >>>> squid-users mailing list
> >>>> squid-users at lists.squid-cache.org
> >>>> http://lists.squid-cache.org/listinfo/squid-users
> >>>>
> >>>
>
>>
>>
>

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