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The Global VPN Settings section of the VPN > Settings page displays the Unique Firewall Identifier – the default value is the serial number of the SonicWALL and used for configuring Aggressive Mode VPN tunnels. You can replace this with your choice of name, “chicago / new york” for example.
Procedure:�
Network Setup:
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Configuring a Site to Site VPN on the Central Location (Static [...]

Manually opening Ports to allow Email traffic (SMTP, IMAP or POP3) from Internet to a server behind the SonicWALL in SonicOS Enhanced involves the following steps:
Step 1: Creating the necessary Address Objects
Step 2: Create a Service Group
Step 2: Defining the appropriate NAT Policies (Inbound, Outbound and Loopback)
Step 3: Creating the necessary WAN > Zone Access Rules for public access
Recommendation: The Public [...]

Manually opening non-standard (custom) Ports from Internet to a server behind the SonicWALL in SonicOS Enhanced involves the following steps:
Step 1: Creating the necessary Address Objects
Step 2: Creating a Custom Service for non-standard port (custom port number)
Step 3: Defining the appropriate NAT Policies (Inbound, Outbound and Loopback)
Step 4: Creating the necessary WAN > Zone Access Rules for public access
Recommendation: [...]

In order to allow Internet users to access your Small Business Server located behind the SonicWALL, it will be necessary to create the required firewall access rules and if you are using SonicOS Enhanced firmware then NAT policies also has to be created to permit and translate the traffic.
What services and ports should I allow on the firewall?
Microsoft Small [...]

Feature/Application:
Manually opening Ports to allow (Webserver, FTP, Email, Terminal Service, etc.) from Internet to a server behind the SonicWALL in SonicOS Enhanced involves the following steps:
Step 1: Creating the necessary Address Objects
Step 2: Defining the appropriate NAT Policies (Inbound, Outbound and Loopback)
Step 3: Creating the necessary WAN > Zone Access Rules for public access
Recommendation: The Public Server Wizard quickly configure [...]

The maximum transmission unit, here on referred to as MTU, is the maximum amount of bytes that can be encapsulated in an IP packet. The MTU size includes the data payload, any transport headers (such as TCP, UDP, GRE, RTP, or ICMP), and the IP header.
It is generally recommended that the MTU for a WAN [...]

Occurs when the IPsec driver failed to install during the GVC install on Vista even though no error was displayed during the installation.
This issue has been fixed in the SonicWALL GVC 4.0.0 release.
If the issue persists after the upgrade, follow these steps:

Uninstall Global VPN Client using Add/Remove Programs in the Control Panel.
Reboot.
Run the GVC cleaner [...]

Inactivity Timeout will drop the connections of applications that remain idle or inactive. The default inactivity timeout setting on rules is 15 minutes for TCP and 30 seconds for UDP. SonicWALL will close a connection when the inactivity timer expires. SonicOS Standard and Firmware 6.X do not apply rules on VPN traffic by default, but SonicOS [...]

This article provides information on how to configure the SSL VPN features on the SonicWALL security appliance. SonicWALL’s SSL VPN features provide secure remote access to the network using the NetExtender client.
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 [...]

When Windows Vista Business computers are using Linksys or Atheros wireless cards, it may become impossible to locate the SSID names for SonicPoint or SonicWALL appliances. The solution to this issue is to ensure the SSID beacon is not hidden and the interval is configured to 400 milliseconds or less on the SonicWALL UTM appliance. Follow [...]