[menog] Internet Service Blocking and Filtering

[Hani Abuelkhair]

If any one is interesting to find a solution for caching http, and P2P with filtering and blocking (all in one) don't hesitate to contact me any time    

--------------------------
Hani Abuelkhair
Sent from my iPhone

> On Oct 22, 2013, at 10:51, Samah Mukhtar Amin Abdelrahman <s.mukhtar at canar.com.sd> wrote:
> 
> Hi Hany,
>                 I found your Blog is very interested and useful as we are here in Sudan facing same issues regarding the web-filtering solutions and using the bluecoat as well.
> I will contact you in the next days to know more about the WireFilter.
>  
> Regards,
> Samah
>  
> From: menog-bounces at lists.menog.org [mailto:menog-bounces at lists.menog.org] On Behalf Of Hany Almansour
> Sent: Monday, October 21, 2013 11:33 PM
> To: Richard Barnes; iab at iab.org
> Cc: menog at menog.net; Alissa Cooper
> Subject: Re: [menog] Internet Service Blocking and Filtering
>  
> Hi Richard,
>  
> thanks for sharing the document, my comment is only on the "network based blocking" :
> 1. In some cases the intermediary is totally transparent in the network but it needs to give a message to the end-point that the resource is blocked which complicate the protocol. however it is possible and was done on large scale
> 2. there is  symmetric  and  asymmetric  filtering techniques. up to my knowledge the asymmetric filtering technique is less complex and can be used on large scale ISP. please see my blog about "Internet filtering in Saudi Arabia" : http://www.hany.org/?p=517
>  
> I will read the remaining and feed you back if i have any comment
>  
> Best Regards,
>  
> Hany
>  
>  
>  
> 
> On Mon, Oct 21, 2013 at 9:39 PM, Richard Barnes <rlb at ipv.sx> wrote:
> Dear colleagues,
>  
> I've been working with the Internet Architecture Board on a document that describes technical considerations regarding the blocking and filtering Internet services.  Since I know there are several experts on the topic in this community, I thought I would forward it in case anyone had comments.
>  
> The document can be found at: http://tools.ietf.org/html/draft-iab-filtering-considerations-04
>  
> Abstract:
>  
>    The Internet is structured to be an open communications medium.  This
>    openness is one of the key underpinnings of Internet innovation, but
>    it can also allow communications that may be viewed as undesirable by
>    certain parties.  Thus, as the Internet has grown, so have mechanisms
>    to limit the extent and impact of abusive or objectionable
>    communications.  Recently, there has been an increasing emphasis on
>    "blocking" and "filtering," the active prevention of such
>    communications.  This document examines several technical approaches
>    to Internet blocking and filtering in terms of their alignment with
>    the overall Internet architecture.  In general, the approach to
>    blocking and filtering that is most coherent with the Internet
>    architecture is to inform endpoints about potentially undesirable
>    services, so that the communicants can avoid engaging in abusive or
>    objectionable communications.
>  
> Please send feedback to me, the co-editors (on the CC), or the IAB (iab at iab.org, who will be ultimately responsible for publication or not).
>  
> Thank you very much,
>  
> --Richard
>  
> 
> 
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