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Author Topic: Several requests to improve performance  (Read 2580 times)

Hallvor

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Several requests to improve performance
« on: August 21, 2007, 01:03:08 PM »

Hello. I have a few feature requests.

1. Spam filter for search results. Some search results are unwanted, e.g. spamfiles. It would be nice to right-click and add them to a local spamfilter, never having to see the file name/hash again.

2. Extension alert. When you right-click a file in your download list and view what others are naming the file, you sometimes discover that you may have the wrong extension. If you for example download a file called ubuntu.iso, then right click and discover that only 5% of the users have named it ubuntu.iso, while the remaining 95% have it named as [insert porn title here].avi, is is useful information. There should be an icon or some sort of notification that the file you download *may* be fake since the large majority of the other users have a different extension.

3. Antidote for video content. One methos of the **AA is poisoning of the ed2k network, where their custom built clients send data that doesn`t match the description. Their clients will pretend to have the complete file, and then transmit garbage data: http://wwwcsif.cs.ucdavis.edu/~nash/235/attacking_p2p_networks.pdf
Fortunately, the data will fail hash check, but each client will download the same part over and over again and spread fake parts to others. For a new release, download time will increase. Fortunately, to save bandwidth and money, the **AA tends to upload chunks filled with zeros, so that a chunk of a few kB inflates to a complete chunk on your computer. Economically, this is sound: For each chunk of 9,28 mb, they only use a few kB of bandwidth. To counter poisoning and to make it much more expensive for the **AA to poison the ed2k network, video content chunks (according to your extension) with an extremely high compression level should be deleted at once, and further transmissions from the client blocked. To counter this and do the same amount of damage, the **AA would have to increase their bandwidth insanely - which will make poisoning very expensive.
« Last Edit: August 21, 2007, 02:24:16 PM by Kry »
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Kry

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Re: Several requests to improve performance
« Reply #1 on: August 21, 2007, 02:24:59 PM »

each client will download the same part over and over again and spread fake parts to others.

Nope

(sorry for editing your post, I didn't change anything. It was a wrong click)
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