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tewarianuj

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tracking IP address from yahoo messenger IM

i need to trace a persons IP address whos is using Yahoo messenger instant messages to bug me.

how this can be done.

if anyone can help. i would be oblidged
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Top_nerd

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Avatar of Rich Rumble
abuse@yahoo.com or
http://add.yahoo.com/fast/help/abuse/cgi_abuse

The only way to get the ip of someone IM'ing you is to trick them into connecting to you, or to have them upload or download a file to you.
If you have a web-site, or even a firewall that keeps good log's, you can send them your ip and a random port# and look for that in your log's like
 send http:\\1.2.3.4:5678
where 1.2.3.4 is your ip address and colon 5678 is port 5678- should be easy to find in a log file.
-rich
Avatar of lapukman
lapukman

Actually, a simple chat message will divulge the sender's IP address.... try to simulate this. Go and view your netstat results. Then go ahead and chat some one, say your Yahoo messenger friend. Then view your netstat result again. You will see there the IP address of your friend. Go and ask him his IP address to verify.

On the other hand, this would not be applicable if the user is on a NATted network (inside a LAN and uses a router and IP translation to go out to the Internet). If the user is in a NATted network, what you will only see is IP of the router he/she is using. However, this would give you good lead on who is messing up with you.

Lapukman
Lapukman, what you suggested will not work because when your chatting, all your messages go to the Yahoo! server and from there they are sent to the person with whom you're talking. Therefore, if you do a netstat, you'll get the IP of the server and not the person. That's wy it's neccesarty to establish a direct connection with the person by exchanging files, a webcam, voice or anything else. Your suggestioin used to work, but Yahoo! corrected that problem.
just block the contact and be doe with it.

Do not retalliate... you never know what kinda person you mess with. For all you know they might end up DDoSing you.


just block em.
Top_nerd - Actually, that's what I thought before. However, I simulated it again by sending IM to some of my contacts and to my surprise, I was able to get their IP address. I'm not sure why, probably because of my Yahoo version 6,0,0,1750. Or probably, Yahoo has made it to make all IM or all communication between users to be direct to ease up load to their servers and network bandwidth. It's possible that the initial IM goes to the Yahoo server and the succeeding IMs becomes direct connection between the users.

Well, I'm not 100% sure about this, maybe you could try to simulate it too.

Lapukman