许多IDS系统分析SSL流量的时候很困难，但对于ModSecurity没有麻烦，因为它工作于已解密和解压的数据环节。
Many IDS systems have difficulties analysing SSL traffic. This is not a problem for ModSecurity because it is positioned to work when the traffic is decrypted and decompressed.
对于隐写式密码解密技术需要记住的一点是，另一个复杂的层可能添加到隐藏数据。
Something to keep in mind with steganalysis techniques is that another layer of complexity may be added to the detection of hidden data.
这种方式对于数据库自身来说也是透明的，数据库管理系统也感觉不到加密解密过程的存在。
This approach is transparent to the database itself, the database management system can not feel the existence of encryption and decryption process.
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