3.2.7. Enabling STARTTLS

Application-level Gateway supports the STARTTLS method for encrypting connections. STARTTLS support can be configured separately for the client- and server side. Currently, the following proxies support STARTTLS: Ftp proxy (to start FTPS sessions), Smtp proxy.

STARTTLS is enabled by default in the following encryption scenarios:

Example 3.2. Configuring FTPS support

This example is a standard FtpProxy with FTPS support enabled.

class FtpsProxy(FtpProxy):
    def config(self):
        FtpProxy.config(self)
        self.max_password_length=64

    EncryptionPolicy(
      name="ForwardSTARTTLS",
      encryption=ForwardStartTLSEncryption(
        client_verify=ClientCertificateVerifier(),
        client_tls_options=ClientTLSOptions(),
        server_verify=ServerCertificateVerifier(),
        server_tls _options=ServerTLSOptions(),
        client_certificate_generator=DynamicCertificate(
          private_key=PrivateKey.fromFile(key_file_path="/etc/key.d/VMS_Engine/key.pem"),
          trusted_ca=Certificate.fromFile(certificate_file_path="/etc/ca.d/certs/my-trusted-ca-cert.pem", private_key=PrivateKey.fromFile("/etc/ca.d/keys/my-trusted-ca-cert.pem")),
          untrusted_ca=Certificate.fromFile(certificate_file_path="/etc/ca.d/certs/my-untrusted-ca-cert.pem", private_key=PrivateKey.fromFile("/etc/ca.d/keys/my-untrusted-ca-cert.pem")))))

    def demo() :
        Service(name='demo/MyFTPSService', router=TransparentRouter(), chainer=ConnectChainer(), proxy_class=FtpsProxy, max_instances=0, max_sessions=0, keepalive=V_KEEPALIVE_NONE, encryption_policy="ForwardSTARTTLS")

    Rule(rule_id=2,
    proto=6,
    service='demo/MyFTPSService'
    )
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