- On the IWSVA console, enable HTTPS Decryption.
- Under Communications and Search, select the Email category and save the policy.
- Go to Application Control > Policies, select a policy and set the action to "Block" for the Instant Messaging > Google chat.
- Access your Gmail account.
You will see the following error message when accessing Gmail chat:Unable to reach Gmail. Please check your internet connection or company's network settings.
2012/11/09 22:18:25 GMT-03:00 <debug><8:18924:19005> HTTPS: connect: https://*.mail.google.com:443/ : will be decrypt policy chceck:category 5
2012/11/09 22:18:25 GMT-03:00 <debug><8:18924:19005> Evaluating HTTPS Decrypting policy, pid = [3] rid = [6]
2012/11/09 22:18:25 GMT-03:00 <debug><8:18924:19005> CheckHTTPSDecryptPolicy: Categorization ID is 52
2012/11/09 22:18:25 GMT-03:00 <debug><8:18924:19005> HTTPS decrypt for URL [https://*.mail.google.com:443/]
2012/11/09 22:18:25 GMT-03:00 <debug><8:18924:19005> Category is [52:Email]
2012/11/09 22:18:25 GMT-03:00 <debug><8:18924:19005> HTTPS traffic will be decrypted after force handshake, pState->m_bRequestClientCert: 0, pCCache->m_bTunnelClientCertConnection: 1
2012/11/09 22:18:25 GMT-03:00 <debug><8:18924:19005> Resign client cert for: MD5_i15f4BISQnKPpFq8UbYTAA__ status modified
2012/11/09 22:18:25 GMT-03:00 <debug><8:18924:19005> TmSecureHandler for site: (null) is to be created
2012/11/09 22:18:25 GMT-03:00 <debug><8:18924:19005> TmSecureHandler: error code is get as 0
2012/11/09 22:18:25 GMT-03:00 <debug><8:18924:19005> TmSecureHandler construtor created, socket [274]
2012/11/09 22:18:25 GMT-03:00 <debug><8:18924:19005> TmSecureHandler: error code is get as 0
2012/11/09 22:18:25 GMT-03:00 <debug><8:18924:19005> Get client handler, client_handler = 0xe85f63c8.
2012/11/09 22:18:25 GMT-03:00 <debug><8:18924:19005> Shakehand, client_handler = 0xe85f63c8.
2012/11/09 22:18:25 GMT-03:00 <debug><8:18924:19005> [274] HandleIO returned TRANSACTION_TERMINATED\n
2012/11/09 22:18:25 GMT-03:00 <debug><8:18924:19005> Close server connection [276]