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SAP NetWeaver Newbie

Change your Skype settings and avoid DDoS attacks

If you know someone's Skype username, you can get their IP address.

The person can enable some options that stop non-contacts from getting their IP address with just their Skype username, but most people don't know how to do that.
It also isn't foolproof. You can be invited to a conversation by someone else, then everyone in there can get your IP address. Your IP address is then used to DDOS you.

DDOS stands for Distributed Denial of Service. You get so much data sent to your IP that it makes your internet connection largely unusable. Thus you lag a lot or disconnect from the game you're playing, which sucks if you're in the middle of a competitive match.

You can protect yourself better by using something other than Skype, or by buying a proxy and setting up Skype to use said proxy.

Proxy aside, here are some some Skype settings you can set to better protect yourself: Options -> Advanced -> Connection -> Uncheck "Use port 80 and 443 for additional incoming connections"
Options -> Advanced -> Connection -> Check "Allow direct connections to your contacts only."

Connection Settings

Options -> IM & SMS -> IM settings -> Select "Only allow people in my Contact list to send me messages"
Options -> Calls -> Call settings -> Select "Only allow people in my Contact list to call me"

Call Settings

Options -> Privacy -> Privacy settings -> Select "people in my Contact list only" for all three (and uncheck the two advertisement-friendly settings at the bottom)

Privacy Settings

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