ZyXEL ZyWALL ATP700 User Guide - Page 629
What You Can Do in this What You Need To Know
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CHAPTER 32 SSL Inspection 32.1 Overview Secure Socket Layer (SSL) traffic, such as https://www.google.com/HTTPS, FTPs, POP3s, SMTPs, etc. is encrypted, and cannot be inspected using Security Service profiles such as App Patrol, Content Filter, Intrusion, Detection and Prevention (IDP), or Anti-Malware. The Zyxel Device uses SSL Inspection to decrypt SSL traffic, sends it to the Security Service engines for inspection, then encrypts traffic that passes inspection and forwards it to the destination server, such as Google. An example process is shown in the following figure. User U sends a HTTPS request (SSL) to destination server D, via the Zyxel Device, Z. The traffic matches an SSL Inspection profile in a security policy, so the Zyxel Device decrypts the traffic using SSL Inspection. The decrypted traffic is then inspected by the Security Service profiles in the same security profile that matched the SSL Inspection profile. If all is OK, then the Zyxel Device re-encrypts the traffic using SSL Inspection and forwards it to the destination server D. SSL traffic could be in the opposite direction for other examples. Figure 415 SSL Inspection Overview HTTPS SSL Inspection Decrypt Security Service AP CF IDP Anti-Malware SSL Inspection Encrypt Note: Email security cannot be applied to traffic decrypted by SSL Inspection. 32.1.1 What You Can Do in this Chapter • Use the Security Service > SSL Inspection > Profile screen (Section 32.2 on page 630) to view SSL Inspection profiles. Click the Add or Edit icon in this screen to configure the CA certificate, action and log in an SSL Inspection profile. • Use the Security Service > SSL Inspection > Exclude List screens (Section 32.3 on page 635) to create a whitelist of destination servers to which traffic is passed through uninspected. 32.1.2 What You Need To Know • Supported Cipher Suite • DES (Data Encryption Standard) ZyWALL ATP Series User's Guide 629
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