Something to add to http://curl.haxx.se/libcurl/using/apps.html
PeerBlock [1] lets you control who your computer "talks to" on the Internet. By selecting appropriate lists of "known bad" computers, you can block communication with advertising or spyware oriented servers...
The PeerBlock program is using libcurl to update it's program and black-list. Shown here:
https://code.google.com/p/peerblock/source/browse/trunk/src/peerblock/updatelists.cpp [1] http://www.peerblock.com/ --gv ------------------------------------------------------------------- List admin: http://cool.haxx.se/list/listinfo/curl-library Etiquette: http://curl.haxx.se/mail/etiquette.html