SSL configuration settings for inbound traffic

SSL configuration settings for outbound traffic

Use Configure > SSL > Decryption / Encryption > Inbound to configure SSL and TLS settings and ciphers for inbound traffic.

Under Protocol Settings, indicate which protocols you want Content Gateway to support. Supported protocols are:

SSLv2

SSLv3 (disabled by default)

TLSv1 (enabled by default)


	Note TLSv1.1 and TLSv1.2 are also supported. Both are enabled by default for inbound and outbound connections. Each is enabled/disabled with records.config variables: proxy.config.ssl.server.TLSv11 INT 1 --(0 = disabled) proxy.config.ssl.server.TLSv12 INT 1 --(0 = disabled) When Content Gateway is on an appliance, use the Appliance CLI to set the value. When Content Gateway is installed as software, use "content_line -s" on the Linux command line to set the value.

Select the protocols that your organization's security policy has adopted and that your browsers support.

You must select at least one protocol.

These settings override the settings for these protocols in the users' browsers.

You can select different protocols for outbound traffic.

The cipher list describes available algorithms and level of encryption between the client and Content Gateway.

The Content Gateway DEFAULT setting is the OpenSSL Default list, excluding those that Forcepoint believes provide the least security or encryption strength.

Edit the variables defined in the records.config file to change the default list. See SSL Decryption.

The strongest cipher (providing the highest level of encryption) is applied first. This can be set to a different level of encryption than for outbound traffic.

Additional cipher settings are:

HIGH encryption cipher suites: those with key lengths larger than 128 bits, and some cipher suites with 128-bit keys.

MEDIUM encryption cipher suites: the high cipher list plus some of those using 128 bit encryption algorithms.

For inbound requests (clients connections to Content Gateway), consider using Medium encryption to improve performance.

Note that regardless of the selected setting, specific insecure ciphers are disabled by default. Control this list using proxy.config.ssl.server.cipherlist_suffix in the records.config file. See the information provided in the SSL Decryption section of Content Gateway Configuration Files for more information.

For more information on ciphers, refer to www.openssl.org/docs.

Click Apply.

Click Restart on Configure > My Proxy > Basic > General.