Cheat the emule credit system :-)

Tanuki · user Joined: 05 Nov 2002 Posts: 147

How does emule identify uploaders? By IP? By client hash? Surely not by nick. I think it is
the client hash. So what if all mldonkey users set their client hash to the same value?
From the emule point of view every mldonkey user would look like a gigantic uploader
and get tons of credit

pango · Sage Joined: 31 Oct 2002 Posts: 2436

Hehe, interesting trick

The problem is, how many others things would it break ?

(I've also heard of "leechers mods" for eMule, that assumes the identity of other uploaders like a doppleganger, to take advantage of their credits... But I don't know how efficient can be such tricks...)

This is evil anyway

mlroot · Site Admin Joined: 27 Oct 2002 Posts: 135

I think this sounds very nice, @pango could you make a "private" patch to test that!

pm and I will report and then we could decide to make it public? ( if the patch does not make problems on the edonkey network)

Tanuki · user Joined: 05 Nov 2002 Posts: 147

pango · Sage Joined: 31 Oct 2002 Posts: 2436

Just decide of some MD4, and ask everyone who wants to make the experiment to put that MD4 into their downloads.ini.

But the same "common identity" will also be assigned all downloads, so what will be the global effect of the trick ? How knows...

WinnerGold · neophyte Joined: 23 Nov 2002 Posts: 2

I think the effect will be only one mldonkey can connect to a Emule and if the next mldonkey connect in 10 min, all mldonkey will be banned from this emule client for 5 hours.

Gruss WG

PS:Sorry for my english

pango · Sage Joined: 31 Oct 2002 Posts: 2436

... Which means you can DoS the system :
Each time you discover a new source (that doesn't have the whole file yet), connect to each eMule source you're queued on, using its identity, and ask for the file 3 times in a row to trigger the ban. Repeat every 5 hours.

[ This message was edited by: pango on 23-11-2002 19:21 ]

WinnerGold · neophyte Joined: 23 Nov 2002 Posts: 2

Hey thats its!!!!

We can destroy the creditsystem!!!!

Pango this Patch and the creditsystem is a part of the past !!!???

Gruss WG

rudolph_augstein · neophyte Joined: 14 Nov 2002 Posts: 6

Lol, I don't want to be the spoiler here but if the emule programmers saw their precious credit system undermined in such a way, they would no doubt design a more complex way of identifying emule clients, thus making the whole darn emule "network" even more restrictive than before.

Did I mention that I really don't like emule ?

[ This message was edited by: rudolph_augstein on 24-11-2002 09:31 ]

[ This message was edited by: rudolph_augstein on 24-11-2002 09:32 ]

Tanuki · user Joined: 05 Nov 2002 Posts: 147

pango · Sage Joined: 31 Oct 2002 Posts: 2436

That way, you'll stay forever at the back of the waiting queue...

Tanuki · user Joined: 05 Nov 2002 Posts: 147

Perhaps, but perhaps it will be 1000 times me in this queue slowly getting up.

pango · Sage Joined: 31 Oct 2002 Posts: 2436

I've heard slots are removed if they aren't reasked for more than 30 mins.
So you'll have to remember all the MD4s you've used, and periodically "refresh" all of them...

cantremember · neophyte Joined: 28 Nov 2002 Posts: 11 Location: uk

So we can't share the same hash then really or we'll be banned quickly. Shame I would have liked to be part of a big Borg Mldonkey

SSteph · user Joined: 31 Dec 2002 Posts: 57

Ok, but we could work the "doppleganger" feature! Wink

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