NetExtender Concepts What is SSL VPN NetExtender?.This section contains the following subsections: This section provides an introduction to the SonicOS Enhanced SSL VPN NetExtender feature. This chapter contains the following sections: Thereafter, it can be accessed directly from the Start menu on Windows systems, from the Application folder or dock on MacOS systems, or by the path name or from the shortcut bar on Linux systems.

The NetExtender standalone client is installed the first time you launch NetExtender. Launching the standalone NetExtender client.Logging in to the Virtual Office web portal provided by the SonicWALL security appliance and clicking on the NetExtender button.NetExtender allows remote clients seamless access to resources on your local network. NetExtender is an SSL VPN client for Windows, Mac, or Linux users that is downloaded transparently and that allows you to run any application securely on the company’s network. SonicWALL’s SSL VPN features provide secure remote access to the network using the NetExtender client. Fixed in OpenSSL 1.1.1k (Affected 1.1.1h-1.1.1j).This chapter provides information on how to configure the SSL VPN features on the SonicWALL security appliance. OpenSSL 1.0.2 is not impacted by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL versions 1.1.1h and newer are affected by this issue. In order to be affected, an application must explicitly set the X509_V_FLAG_X509_STRICT verification flag and either not set a purpose for the certificate verification or, in the case of TLS client or server applications, override the default purpose. A purpose is set by default in libssl client and server certificate verification routines, but it can be overridden or removed by an application. Therefore, where a purpose is set the certificate chain will still be rejected even when the strict flag has been used. All of the named 'purpose' values implemented in libcrypto perform this check.

If a 'purpose' has been configured then there is a subsequent opportunity for checks that the certificate is a valid CA. This effectively bypasses the check that non-CA certificates must not be able to issue other certificates. An error in the implementation of this check meant that the result of a previous check to confirm that certificates in the chain are valid CA certificates was overwritten. Starting from OpenSSL version 1.1.1h a check to disallow certificates in the chain that have explicitly encoded elliptic curve parameters was added as an additional strict check. The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain.

Sonicwall netextender windows 10 client