![]() ![]() The USG20-VPN offers many of the same features as the USG20, with improved performance over the USG20. The “VPN Firewalls” include the USG20-VPN and USG20W-VPN. The USG40W adds single-band 802.11b/g/n wireless connectivity. The current USG40 also has an improved multi-core processor. In addition to VPN and Firewall features, the USG40/USG40W also support Content Filtering, Anti-Spam, Anti-Virus, and Intrusion Detection/Prevention UTM features. The “Next-Gen Unified Security Gateways” include the USG40 ( reviewed in November 2014) and USG40W. The USG20W adds single-band 802.11b/g/n wireless connectivity. In addition to VPN and Firewall features, the USG20/USG20W also support subscription-based Content Filtering and Anti-Spam UTM (Unified Threat Management) features. The “Unified Security Gateways” include the USG20 ( reviewed in May 2011) and USG20W. ![]() But with three different families, buyers can be easily confused. ZyXEL has steadily expanded its security appliance / firewall product lines. Introduction Update 7/29/16: Client to Site IPsec works ![]()
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