TLS/SSL Decryption

The TLS/SSL Decryption profile allows administrators to inspect and manage encrypted traffic within the network.

Note

Before creating a TLS/SSL Decryption profile in Security Cloud Control Firewall Management, you must configure certificate authority (CA) from Catalyst SD-WAN Manager under Configuration > Certificates > Certificate Authority.

TLS/SSL Decryption

Field

Description

Object Name

The name of the TLS/SSL decryption policy. The name can contain a maximum of 32 characters.

Server Certificate Checks

Expired Certificate

Defines what the policy should do if the server certificate has expired. Available options include:

  • Drop: Drop traffic

  • Decrypt: Decrypt traffic

Untrusted Certificate

Defines what the policy should do if the server certificate is not trusted. Available options include:

  • Drop: Drop traffic

  • Decrypt: Decrypt traffic

Certificate Revocation Status

Defines whether the Online Certificate Status Protocol (OCSP) should be used to check the revocation status of the server certificate. Available options include: Enabled or Disabled.

Unknown Revocation Status

Defines the policy action if the OCSP revocation status is unknown.
  • Drop: Drop traffic

  • Decrypt: Decrypt traffic

Unsupported Mode Checks

Unsupported Protocol Versions

Defines the unsupported protocol versions.

  • Drop: Drop the unsupported protocol versions.

  • No Decrypt: Decrypt the unsupported protocol versions.

Unsupported Cipher Suites

Defines the unsupported cipher suites.

  • Drop: Drop the unsupported cipher suites.

  • No Decrypt: Decrypt the unsupported cipher suites.

Failure Mode

Defines the failure mode. The options are Close and Open.

Certificate Bundle

Select the Use Default CA Certificate checkbox to use the default CA.

Minimal TLS Version

Sets the minimum version of TLS that the proxy should support. Available options include: TLS 1.0, TLS 1.1, or TLS 1.2

Proxy Certificate Attributes

RSA Keypair Modules

Defines the Proxy Certificate RSA Key modules. Available options include: 1024-bit RSA, 2048-bit RSA, or 4096-bit RSA

EC Key Type

Defines the key type. Available options include: P256, P384, or P521

Certificate Lifetime (in Days)

Sets the lifetime of the proxy certificate (in days).