Pake Mikrotik Layer7 Filtering.
Atau pake Content Filtering.

Pertama, sniffing aja packetnya, lewat port berapa, lalu content
communication TCP nya dilihat dan dicek untuk kemungkinan - kemungkinan bisa
diblokir.

Bicara mengenai FORTINET, iya nih ..
saya juga ada terpasang disini, bypass proxy sih lewat.
Katanya bisa deep packet inspection, jadi kalau usernya melakukan bypass
proxy, itu akan percuma, tidak bisa.

Cuma ya itu dia ..
fakta di lapangannya masih tembus juga ..

:))

- Rio.Martin -




On 11/12/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
>
>   masih bisa tembus kok, dimari aja pake fortinet yang lumayan securitynya
>
> masih bisa kebobolan, kalo mau sich setiap log user nakal dicatet kalo
> ketahuan dengan buktinya kasih SP terus..sekarang software banyak portable
>
> jadi gak perlu instal contohnya kaya apps ultrasurf, dia hampir bisa
> nembus semua proxy n security tapi gak perlu instal..
>
> "pbgabsi" <[EMAIL PROTECTED] <pbgabsi%40yahoo.com>>
> Sent by: ITCENTER@yahoogroups.com <ITCENTER%40yahoogroups.com>
> 11/11/2007 01:44 PM
> Please respond to
> ITCENTER@yahoogroups.com <ITCENTER%40yahoogroups.com>
>
> To
> ITCENTER@yahoogroups.com <ITCENTER%40yahoogroups.com>
> cc
>
> Subject
> [ITCENTER] Re: cegah user bypass proxy
>
> lah yg perlu dipertanyakan adalah user kok bisa install macam2 dan
> merubah setting?
> Utk user yg pakai 3rd paty website kan bisa diblok dgn cara blok URL
> dan IP website tsb.
>
> --- In ITCENTER@yahoogroups.com <ITCENTER%40yahoogroups.com>, suroto
> sugeng <[EMAIL PROTECTED]> wrote:
> >
> > Hi, ...
> > Bagaimana mencegah /blok user agar tidak bisa
> > membypass proxy kantor.
> > Karena sekarang ada salah satu caranya yaitu dgn
> > menginstall soft proxy via SSH / HTTP
> > Tunnel di komputer client.
> >
> > Selain itu, juga dpt browsing lewat circumventor site
> > untuk bypass filter.
> >
> > __________________________________________________
> > Do You Yahoo!?
> > Tired of spam? Yahoo! Mail has the best spam protection around
> > http://mail.yahoo.com
> >
>
> [Non-text portions of this message have been removed]
>
>  
>


[Non-text portions of this message have been removed]



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