http://www.securityportal.com/articles/pf_blackice20001023.printerfriendly.html
Blackice Defender:
Disadvantages
1. Not free and no demo version available for download.
2. It would be nice if power users could customise the rules more. The file firewall.ini can be manually edited to block/allow udp/tcp ports. It would be better to be able specify port ranges or wildcards and even better to be able to filter state based protocols like ftp. It would also be better that individual ports could be open/blocked from the GUI rather than hacking the firewall.ini file.
3. The default configuration does not protect against Trojans like Back Orifice.
4. BlackICE waits until a connection is made before it takes action, it doesn't prevent a connection by shutting down the system's ports
5. Outgoing ports cannot be blocked.
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6. ..
7. .. enz..
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en dat vind ik heel zwak van blackice.. dus m.i. heeft hij gelijk.