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ZyXEL > 
Item#: 9SIA1EA0KP5767

ZyXEL ZyWALL ZWUSG20 Internet Security Firewall with 4 Gigabit LAN / DMZ Ports, 2 IPSec VPN, SSL VPN , and 3G WAN Support

  • 6000 Simultaneous Sessions
  • 100 Mbps
  • Unlimited User Licenses
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Learn more about the ZyXEL ZWUSG20

Model

Brand
ZyXEL
Model
ZWUSG20

SPEC

Firewall Type
Gen 3 Application-Layer
Type
Wired
Wireless Technology
None
Simultaneous Sessions
6000
Throughput
100 Mbps
Ports
10/100/1000 Interfaces (Copper): 4 x LAN/DMZ, 1 x WAN
USB ports: 1
LAN Ports
4 x RJ-45
WAN Ports
1 x RJ-45
Wired Speed
10/100/1000 Mbps
Encryption Standard
AES/3DES/DES
VPN
Max. Concurrent IPSec VPN Tunnels: 2
Max. Concurrent SSL VPN Users: 1
Included SSL VPN Users: 1

Virtual Private Network (VPN)
ICSA-certified IPSec VPN
PPTP, L2TP, IPSec
Algorithm: AES/3DES/DES
Authentication: SHA-1/MD5
Key management: Manual key/IKE
Perfect forward secrecy: (DH group) supprt 1, 2, 5
IPSec NAT traversal
Dead peer detection/relay detection
PKI (X.509) certificate support
Centralize VPN Support
Simple wizard support
Auto reconnect VPN
VPN HA (redundant remote VPN gateways)

SSL VPN
Clientless secure remote access
Support reverse proxy mode and full tunnel mode
Unified policy enforcement
Supports two-factor authentication
Customizable user portal
Power Input
100 - 240 V AC, 50 - 60 Hz, 1.2 A
Dimensions
8.49" x 5.51" x 1.30"
Weight
0.84 lbs.

Features

Features
Firewall
ICSA-certified firewall
Routing and transparent (bridge) mode
Zone-based access control list
Stateful packet inspection
NAT, PAT
Policy base NAT
VLAN tagging
User-aware policy enforcement
SIP/H.323 NAT traversal
ALG supports custom ports

Application Patrol
Application, IM/P2P, stream base media, VoIP granular access control
Detail access control of IM (Chat, file transfer, video)
Application and IP/P2P bandwidth control
User authentication support
IM/P2P signature auto update
Support more than 15 catalogs IM and P2P
Real-Time statistical reports
Maximum/guaranteed bandwidth

Anti-Spam
Zone to zone protection
Transparently intercept mail via SMTP/POP3 protocols
Blacklist/whitelist support
Support DNSBL checking
Spam tag support
Statistics report

Content Filtering
Social networking control
Web security - ZyXEL safe browsering
URL blocking, keyword blocking
Profile base setting
Exempt list (blacklist and whitelist)
Blocks java applet, cookies and active X
Dynamic URL filtering database (powered by BlueCoat)
Unlimited user licenses support
Customize warning messages and redirect URL

Networking
Routing mode/bridge mode/mixed mode
Layer 2 port grouping
Ethernet/PPPoE
Tagged VLAN (802.1Q)
Virtual interface (alias interface)
Policy-based routing (user-aware)
Policy-based NAT (SNAT)
Dynamic routing(RIP v1/v2, OSPF)
DHCP client/server/relay
Dynamic DNS support
WAN Trunk more than 2 port
Per host session limit
Guaranteed bandwidth
Maximum bandwidth
Priority-bandwidth utilization

System Management
Role-based administration
Multiple administrator login
Multi-Lingual Web GUI (HTTPS/HTTP)
Out-of-band management (AUX)
Object-based configuration
Command line interface (console/web console/SSH/TELNET)
SNMP v2c (MIB-II)
System configuration rollback
Firmware upgrade via FTP/FTP-TLS/Web GUI

Manufacturer Warranty

Parts
2 years limited
Labor
2 years limited

Quick Info

Warranty

  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years


Customer Reviews of the ZyXEL ZWUSG20

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Showing 45 of 45 reviews - Clear Filters

  • Paul B.
  • 7/12/2014 7:08:22 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsShould have spent more money

This review is from: ZyXEL ZyWALL ZWUSG20 Internet Security Firewall with 4 Gigabit LAN / DMZ Ports, 2 IPSec VPN, SSL VPN , and 3G WAN Support

Pros: Cheap unit. Interfaces with bluecoat.

Cons: Not very intuitive.
Support is M-F 8-5
Online documentation is just about non-existent

Other Thoughts: This could just be my ignorance, but I've seen other firewalls interfaces and should have just doubled the money I spent and gotten one of the others I was looking at. That's life though. The unit is on the network and the additional items you have to subscribe to make it function pretty decently.

Did you find this review helpful? Yes No

  • Francis Y.
  • 7/2/2014 7:55:47 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsZyXEL ZyWALL USG20

This review is from: ZyXEL ZyWALL ZWUSG20 Internet Security Firewall with 4 Gigabit LAN / DMZ Ports, 2 IPSec VPN, SSL VPN , and 3G WAN Support

Pros: I bought this for my home. Yeah I'm sure you are thinking why but I have 3 teenagers and a 10 year old and each with a computer or laptop and a tablet or phone and not to mention more friends than one can think of. I used a flashed Asus RT-N66 but it ran really hot and just could not keep up with all the traffic and seemed to "bog out" constantly so I gave this unit a try. Man I'm glad I did!! We have had ZERO issues using as the main router and switching the Asus over as the AP with a guest wireless for the friends. I have had this in service for 8 months and not once has it been reset and maintains the speeds without any problems and the DMZ port a bonus for the XBOX. VPN when family on a trip is a super perk too and not to mention the rules that can be setup as compared to the average home router. They advertise as a business class but I would really really suggest this to any person with a bigger family with allot of devices that pull constant data.

Cons: NONE

Other Thoughts: Really nice unit for my needs and usage.

Did you find this review helpful? Yes No

  • Michael K.
  • 6/27/2014 12:49:03 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsNot sure this is an upgrade

This review is from: ZyXEL ZyWALL ZWUSG20 Internet Security Firewall with 4 Gigabit LAN / DMZ Ports, 2 IPSec VPN, SSL VPN , and 3G WAN Support

Pros: FIrewall
LOTS of functions (see cons)

Cons: Very complicated
VPN HOWTOS from Zyxel do not work
Lots of "mixed" terms

Other Thoughts: Upgrading from VFG6005 and SonicWall TZ units. The VFG is super easy to setup, SonicWall not too bad. These units are insanely difficult to understand. Have used the ZyWall 2 (old...) and it was easier to get going.

The VPN (IPSec/L2TP) connections from Windows 7 or 8 did NOT work, even when following Zyxel and other howtos I found online.

The amount of steps just for a basic port forward is even overwhelming.

I have setup many SonicWalls, other basic VPN type routers and this unit is just too much. I would suggest paying the premium and getting a SonicWall.

Did you find this review helpful? Yes No

  • Nathaniel P.
  • 3/18/2014 4:28:47 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsWorks well, fast but licensing $$$

This review is from: ZyXEL ZyWALL ZWUSG20 Internet Security Firewall with 4 Gigabit LAN / DMZ Ports, 2 IPSec VPN, SSL VPN , and 3G WAN Support

Pros: Lots of options, it is a true firewall
Fast, utilizes the full bandwidth of my provider
Fast, with multiple users playing online video games, no drops

Cons: The content filter and email filters cost more then the firewall!. I am not falling for that, sorry. If it was like $50 a year total for both, I would probably pay for it.

Did you find this review helpful? Yes No

  • Richard T.
  • 2/7/2014 9:33:33 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsUnbelievably awesome

This review is from: ZyXEL ZyWALL ZWUSG20 Internet Security Firewall with 4 Gigabit LAN / DMZ Ports, 2 IPSec VPN, SSL VPN , and 3G WAN Support

Pros: Simple hardware, complex enough software, SUPERB support

Cons: Blocking or allowing certain addresses must be done by puitting each address into an object. Multiples must be put into a group, then a group can be added to a firewall rule. There's no way to add a raw address to a rule, nor is there a way to add a raw address to an address group. Meaning if you have 10 addresses to block, you have to add 10 address objects, then add an address group, then add those 10 addresses to the group. It's a bit over-complicated

It has no way to specify certain settings for DHCP clients. I use this in my home in conjunction with my office where we have a couple USG50's. But it doesn't support upnp, so I have a secondary router that handles xbox traffic for the 5 xboxes in the house. Each xbox has to have a static IP configuration rather than me being able to specify that each DHCP reservation has a different gateway address.

Other Thoughts: Their support is awesome and free. When I call they absolutely never ask for a serial number, and don't care how old the device is. They are quick to log into the device and help with any configuration or troubleshooting. Because of this, I will continue to buy ZyXel devices for our network.

1 out of 1 people found this review helpful. Did you? Yes No

  • Frank K.
  • 1/11/2014 11:09:31 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsBurned out after warranty expired

This review is from: ZyXEL ZyWALL ZWUSG20 Internet Security Firewall with 4 Gigabit LAN / DMZ Ports, 2 IPSec VPN, SSL VPN , and 3G WAN Support

Pros: Very powerful, flexible. A (seemingly) good choice for a high end home office.

Cons: One day the thing simply stopped working. It booted and gave connection lights, but the network connections never worked. Reset it several times to factory settings, but still got same wonky network behavior. Weather has been clear around here, so there's little chance of a surge having fried it.

It's a few weeks out of warranty so I'm out of luck. Save yourself the same risk, go with a better brand.

Did you find this review helpful? Yes No

  • James H.
  • 12/19/2013 8:08:04 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsDisappointed - QoS/BMW broken

This review is from: ZyXEL ZyWALL ZWUSG20 Internet Security Firewall with 4 Gigabit LAN / DMZ Ports, 2 IPSec VPN, SSL VPN , and 3G WAN Support

Pros: Cheap affordable unit. Has SSL VPN capability. (Limited to 1 connection.)

Cons: This unit has failed to meet my needs. I purchased this with the hope that IPv6 Prefix Delegation with Comcast would work. It has failed to do that properly with my own setup. Since I use Comcast Business, it's possible that it has not been enabled for my service. Various forum posts suggest that this unit still does not work with Comcast's IPv6 setup in places where it should.

The biggest sin of this device is that it can't even manage do a decent job of QoS. It's called BMW in their interface. My Buffalo Tech wireless router does a better job of managing QoS. Supposedly the latest version of the firmware broke BMW. I also wonder if the processor being used is a bit on the slow side. With the few rules that I had enabled for QoS, I saw the CPU usage spike 30% - 50%.

I own Zyxel powerline networking products, but I won't buy or even suggest that someone buy their firewall products.

Other Thoughts: If you want to buy this, I suggest that you look through the various forum posting about the device. I'm going to wait for another firmware revision before I completely dump this device. Current version 3.30 BDQ.2.

I'll probably end up building my own unit using Linux when I can find an Intel Atom setup that I like.

0 out of 1 people found this review helpful. Did you? Yes No

  • Glen P.
  • 12/16/2013 5:45:21 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsGreat web UI, not for beginners

This review is from: ZyXEL ZyWALL ZWUSG20 Internet Security Firewall with 4 Gigabit LAN / DMZ Ports, 2 IPSec VPN, SSL VPN , and 3G WAN Support

Pros: Extremely powerful web interface! It is object oriented, that is a new experience for me when it comes to networking hardware configurations. After 15 minutes of poking around it makes complete sense. Tons of bells and whistles, a lot of features are not going to be used by a small business. Medium to large businesses (and network requirements) should find almost everything you're looking for.

Cons: Plastic housing. Fan cooled, just another possible failure point. Extremely limited VPN abilities. Seriously, only 2 IPSec tunnels?

Other Thoughts: If you're looking for VPN capabilities, this is not the device for you. It meets my needs, but is limited.

If your experience in configuring routers is limited to the simple web-based GUI the likes of Linksys and D-Link, this is NOT for you. Unless you're willing to learn, which I highly suggest. It isn't THAT hard...

1 out of 1 people found this review helpful. Did you? Yes No

  • Kevin P.
  • 10/25/2013 7:03:29 AM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsDifficult to program, VOIP issues

This review is from: ZyXEL ZyWALL ZWUSG20 Internet Security Firewall with 4 Gigabit LAN / DMZ Ports, 2 IPSec VPN, SSL VPN , and 3G WAN Support

Pros: Their customer support is easy to get hold of and very knowledgeable, helped me out with VPN and RDP port setups.

Cons: I am able to do setup VPN's and open ports on other routers like Linksys and Netgear business class equipment, but not this guy.
Also no one could get a Polycom IP331 phone to work behind it at all, but the phone would work fine on any other router, even 3 chained together !!! I even put a phone on a DMZ port and nothing.

Other Thoughts: Sorry Zyxel, won't be using your stuff again....maybe I am just too dumb for your gear !!!

0 out of 2 people found this review helpful. Did you? Yes No

  • Jo'el P.
  • 5/3/2013 2:58:44 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week

3 out of 5 eggsNot Impressed

This review is from: ZyXEL ZyWALL ZWUSG20 Internet Security Firewall with 4 Gigabit LAN / DMZ Ports, 2 IPSec VPN, SSL VPN , and 3G WAN Support

Pros: Its inexpensive for what it is.

Cons: I had my cousin purchase this for his small business specifically for the SSL VPN functionality. i failed to read the fine print evidently it only support 1 concurrent SSL VPN connection? what exactly is the point of that? for our use it makes it slightly better than any cheap firewall on the market.

The admin console is almost completely useless; its worse than a radware load balancer gui as a comparison and doesn't really follow any convention that's recognizable from other networking devices i have had experience with. Poorly layed out and difficult to navigate.

0 out of 3 people found this review helpful. Did you? Yes No

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