Usually Web servers remove scripts from user input, but often attackers exploit vulnerabilities to bypass these filters, resulting in major attacks such as the Yamanner or MySpace worms.
Savvy users (who do the most downloading) will be able to bypass these filters anyway.
聪明用户(下载最多)，将可以想方设法绕过这些过滤器。
3
Messing with DNSSEC could create loopholes for hackers by allowing rogue websites to pose as legitimate ones. Savvy users (who do the most downloading) will be able to bypass these filters anyway.