Many VPN providers offer the ability to change port numbers using their custom software (especially when using the OpenVPN protocol). When you open the web interface of the Access Server on its default TCP port 443.TCP port 443 is therefore the favored port for evading VPN blocks. Configure the VPN ClientWhile the best connection for an OpenVPN tunnel is via the UDP port.Set the Direction to WAN -> LAN/DMZ/RT/VPN so that the filter rule covers inbound traffic. Give the Filter Rule a suitable name in the Comment field, for instance AllowSMTP. You can also delete or rename a selected profile on this page.The setup of the rule to pass specified traffic is similar to the block rule: Check the tickbox to Enable the filter rule. Enable IP Passthrough on the gateway and point it at the MAC address of the R9000.In the Barracuda VPN Configuration window, you can specify the settings for a new VPN profile or edit the settings for an existing VPN profile.The Barracuda VPN configuration window opens.To edit an existing VPN profile, select the profile from the list. (If the client has been downloaded from the Barracuda Download Portal, it first has to be moved from the Downloads folder to the Applications folder.)Click the pen icon next to the Profile drop-down list. It resides in the Applications folder. You can access it through the Finder and the Launchpad.
You can also enter a comma-delimited list of VPN servers.If a proxy is required, click the Proxy tab and configure the following settings: Clicking Cancel during the configuration process discards any changes.Imported licenses will remain in the file system at /Users/username/Library/Group Containers/group.com.barracuda.Barracuda-VPN-Client/.barracudavpn/license/Imported certificates will remain in the file system at /Users/username/Library/Group Containers/group.com.barracuda.Barracuda-VPN-Client/.barracudavpn/ca/Click the Authentication tab and specify the following settings:Select the Authentication Type from the drop-down list.Server Address – Enter the IP address or host name of the VPN server. To delete a selected profile, click the - sign. To import a locally saved certificate, click Select local file and choose a certificate. To import a license, click Select local file and choose a license. If you selected X509 Cert, X509 Cert + User/Pass, or User + Pass only from the Authentication Type list, a license file cannot be imported. Your network administrator can provide you with the correct port number.Proxy User – The username to authenticate at the proxy server.If you selected Public Key or User + Pass only from the Authentication Type list, a certificate cannot be imported. To access the advanced settings, click the Advanced tab.If you selected Socks4 or HTTP from the Proxy Type list, you can only select TCP.Encryption Algorithm – The tunnel encryption method. Some settings depend on the proxy type for the VPN profile. In this section, not all settings are mandatory. This mode supports multiple credentials. On (Static) – If selected, the user can enter the OTP in advance, before connecting. One-Time Password Mode – Enables / disables One-Time Password (OTP) extensions. You can select MD5, SHA1, SHA256, or SHA512, Authentication Algorithm – The hash algorithm to be used. Set out of office in outlook for macContinue with How to Establish a VPN Connection Using Barracuda VPN Client for macOS. Handshake Timeout – Time in seconds until a handshake request times out.After configuring your VPN profiles, you can start using your VPN connections. Connect Timeout – Adjust this value to give users enough time to complete the process. Keep Alive Timeout – The interval in seconds to send keepalive signals. Off (Transparent) – Select this option for OTP environments that are fully transparent to VPN, such as Azure MFA with Approve/Decline, SMS Passcode, etc. For more information, see How to Configure Multi-Factor Authentication Using Time-based One-time Password (TOTP).
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