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Netgear Inc. > 
Item#: N82E16833122369

NETGEAR SRX5308-100NAS ProSafe Quad WAN Gigabit SSL VPN Firewall

  • 200000 Maximum Concurrent Connections
  • 924 Mbps LAN-to-WAN Throughput
  • 180 Mbps IPsec VPN (3DES) Throughput
  • 254 Maximum Number of VLANs
  • Gigabit RJ45 Ports WAN/LAN: 4/4

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

ProSAFE VPN Firewall Series


Essential Business-class Network Protection

NETGEAR ProSAFE business-class VPN Firewalls are high performing routers that deliver Stateful Packet Inspection (SPI), Virtual Private Network (VPN), Network Address Translation (NAT), AES and 3DES Encryption, Denial of Service (DoS) protection and provide full secure network access between headquarter locations, remote/branch offices and remote workers. This makes it the ideal solution to provide businesses with the essential network security needed to stop unwanted intrusions.




NETGEAR ProSAFE VPN Firewalls provide both secure IPsec site-to-site tunnels and IPsec secure access for remote clients and also support client-less SSL VPN as well as secure L2TP and PPTP connections. Employing a true SPI firewall with customizable firewall rules, this VPN router is a high-performance, SNMP-manageable, network solution that furnishes multidimensional security including denial-of-service (DoS) protection, stateful packet inspection (SPI), URL keyword filtering, logging, reporting, and real-time alerts.


ProSAFE VPN Firewalls work perfectly with ISP modems, including cable or DSL broadband connections. Wireless-N connectivity1 and Gigabit LAN/WAN ports keep your data moving at top speed and a configurable DMZ port allows for flexible server deployment. With Network Address Translation (NAT) routing and classical routing, all the users in your small office can access your broadband connection at the same time. VLAN support allows for guest networks plus better network segmentation and IPv6 support will enable you to future proof your network.


Models with multiple WAN ports can operate in either a load-balancing or fail-over configuration. The loadbalancing configuration enables maximum throughput by utilizing WAN connections to distribute traffic across two broadband connections, possibly with different ISP providers. Alternatively, a second WAN port may be configured as a failover connection in case the primary connection fails, for another method of providing high reliability.

The rugged metal unit houses advanced, high-quality electronics, and is backed by the industry-best ProSAFE Lifetime Hardware Warranty*, Lifetime Technical Support*, and Lifetime Next Business Day Replacement*.

Features and Benefits

Hardware Accelerated Network Processor

  • High Performance LAN-to-WAN throughput for today’s and tomorrow’s broadband speeds

Essential Business Networking Features

  • IPv4/IPv6 Support
  • 802.1Q VLAN
  • QoS
  • NAT and Classical Routing
  • SIP ALG, VPN Passthrough

Secure Firewall

  • Stateful Packet Inspection (SPI)
  • DoS attack protection
  • Block TCP/UDP packet floods
  • Port/service blocking
  • Hardware DMZ port
  • MAC Address filter
  • Web object and keyword blocking

Secure VPN Remote Access

  • SSL VPN – clientless remote access, anywhere, anytime
  • IPsec VPN – secure site-to-site tunnels and client-based remote access
  • Industry-strength encryption algorithms
  • IKE authentication protects against unauthorized remote access
  • L2TP and PPTP Server

Bandwidth Management

  • Control end user bandwidth consumption with Bandwidth Profiles
  • Prioritize traffic with Quality of Service (QoS)
  • WAN Traffic Metering

Dual or Quad WAN Ports

  • Connect multiple broadband connections simultaneously
  • 2 modes of session-based WAN load balancing
  • WAN failover for maximum uptime

Easy to use

  • Auto Detect connects to your ISP quickly
  • DHCP (client and server) for fast deployment
  • Intuitive Web management GUI
  • IPsec VPN Wizard allows for easy VPN setup
  • SNMP, telnet management support
  • SYSLOG and emailed logs enable thorough network monitoring

Reliable NETGEAR Hardware

  • Industry-grade metal casing
  • High-quality electronics
  • Lifetime Hardware Warranty
  • Lifetime Technical Support
  • Lifetime Next Business Day Replacement

ProSAFE VPN Firewall Deployment Diagram

Learn more about the Netgear Inc. SRX5308-100NAS

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 9999 days
  • Limited Warranty period (labor): 9999 days
  • Read full details

Customer Reviews of the Netgear Inc. SRX5308-100NAS

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  • Rajesh C.
  • 2/25/2015 10:01:13 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsNetGear SRX5308

Pros: Very Easy to setup. Good Value. U need ur ISP make sure set modem for Internet to bridge and pass-through mode and add static IP from ISP. This will make life much easier. Do not use Dead peer unless you really need it, cuts down speeds by constant ping checks. Enable Auto Initiate on remote sites only if u use more than one for IPsec tunnel leave the hub unit to just responder. Again saves on traffic and congestion issues.

Cons: none

Other Thoughts: For this price I'm going to order a cold spare to have around for just in case, it's cheap enough even though they have good warranty we cannot afford the down time.
Make sure you read the instruction manual pdf carefully. The VPN client to device little tricky only because I read too fast then saw I had to reverse the local and remote ID on the client. Works great and fast.

Did you find this review helpful? Yes No

  • caito n.
  • 11/14/2014 10:54:06 AM
  • Ownership: 1 week to 1 month

2 out of 5 eggsBeware!

Pros: Cheap, not very loud. Seems like plenty of routing and VPN options if you're running a supported OS (Windows). Supports RADIUS authentication.

Cons: We wanted a VPN solution that offered PPTP, L2TP, and SSL, but without any of the restrictions that are found with other devices, such as high price, limited speeds, or proprietary clients. This looked like it would work perfectly.

Boy, was I wrong.

Yeah, it supports L2TP, but not "L2TP/IPSec w/ PSK". So it doesn't work right with many of the operating systems that use that (such as OS X, Android, iOS, etc.).

And PPTP? It has limited options for that, and so far we've not been able to get any client to connect to it using PPTP.

The device apparently doesn't keep logs for anything other than IPSec and SSL, making it rather hard to diagnose connection issues.

And SSL VPN? It uses Netgear's proprietary SSL VPN that requires their own Neatgear client to be installed. And the client they provide is several years old. It is an *unsigned* Java applet. Are they serious? Java 7/8 by default blocks unsigned apps because of the security issues with allowing such a thing. While you can add the VPN device's IP to your Java whitelist to get it to run, you shouldn't have to. The SSL VPN client is filled with poor grammar and misleading error messages, as well. It sort of works. Unlike L2TP and PPTP, we did get the SSL VPN to connect. Unfortunately, the client requires root access to install certain files, and the Netgear forums have mini-guides that instruct users on how to enable the root account on OS X just to get the software to install (you must run a web browser as root, seriously). Once installed, users will still get bombarded with security errors (at least 3) any time they connect, simply because of it being an insecure/unsigned Java applet and the poor programming of the applet that will complain about lack of root access (because that is what every user needs, right?).

With an SSL client that looks like it was poorly slapped together several years ago and less L2TP and PPTP compatibility than a Windows Server installation from a decade ago, it's obvious that Netgear has no intention of supporting this device.

Other Thoughts: If you want to run a VPN server that allows actual clientless connections for PPTP and L2TP/IPSec w/ PSK, and the security and functionality of SSL VPN, I would suggest just setting up a Linux server w/ OpenVPN or even a Windows Server w/ OpenVPN.

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

  • Chris V.
  • 7/3/2014 11:04:03 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsNo PPTP Functionality for OSX

Pros: It routes internet connection to our systems, but that's about it

Cons: We bought this router specifically because it is listed as supporting PPTP VPN, however it does not seem to for OSX. Additionally, absolutely terrible customer support in escalating to an engineer who actually knows more than my IT guy working on this issue. WIll be returning this unit as soon as a suitable replacement arrives.

Other Thoughts: This is actually the second Netgear unit that we tried to setup up PPTP on. The first one an FVS318N was listed as supporting PPTP, but we were told by Netgear that due to a firmware upgrade, that feature had been removed. Obviously a frustrating scenario that will likely preclude me from ever using Netgear products again.

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

3 out of 5 eggsFeature packed, low cost. Tops at 70Mbit

Pros: Low cost, lots of features.

Cons: I knew that 924Mbit was a long shot, but I was hoping it would do at least half of that, in the end the most I could get out of it was about 70 - 80Mbit of routing throughput which was rather disappointing.

Other Thoughts: If you have 70Mbit or less WAN links this should be fine for most offices.

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

  • Derek S.
  • 4/26/2014 5:02:55 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsVery versatile

Pros: At my office we use multiple ISPs to service different segments of our local market with decent speeds. This is one of the rare routers where we were able to set large blocks of IP addresses up per ISP on each WAN port (primary WAN IP and then add all your other IP's in your block as secondary).

After setting up various IP's, we created dozens of VLANs to match each customer. The netgear allows you to create an outbound rule for each vlan and match it against a particular WAN and secondary IP. The incoming NAT rules will work for secondary IP's to internal vlans as expected.

I haven't seen many routers with a graphical interface that can pull this off and it is very impressive. The VPN to a specific VLAN also works as expected. With these features I was able to eliminate numerous small vpn routers from our cabinet that clients were using to connect to us.

It takes a little experience and some guesswork since the docs do not spell it out on how to do these functions but I came away very happy with a less complicated mess of wires and power cords and a single interface for my cabinet and our clients.

Cons: My first unit ordered arrived with defective flash memory. It wouldn't boot properly and the firmware could not be updated due to I/O errors when saving it to the device. Did not give me a good first impression.

Other Thoughts: Update the firmware right off to reduce your future troubleshooting.

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  • Lee H.
  • 1/24/2014 9:28:57 PM
  • Ownership: 1 month to 1 year

5 out of 5 eggsVery nice VPN router

Pros: High throughput
Sturdy steel case
Redundant WAN ports
Gigabit all around
Good VPN support
Internal power supply
Serial port
Intuitive interface

Cons: Early firmware buggy (newest firmware works much better)
SSL issues with IE11

Other Thoughts: Had to use Chrome to get the firmware updated because early firmware has SSL issues with IE11 and latest Firefox so couldn't get to user interface except with Chrome. With newer firmware and remote HHTPS management turned off, can now use Firefox as well. Otherwise, an excellent router with astronomical throughput and a fairly easy to use interface, Very nice.

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  • Karen S.
  • 3/27/2013 2:49:23 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsExcellent SMB Firewall, but not for everyone

Pros: The feature set and price/performance point of this firewall is astounding. Extremely well built with metal case and included rack ears. Fan is not excessively loud, nor does unit run hot at all.

Multiple options for VPN clients (i.e., IPsec, PPTP, L2TP, SSL, etc.). Four GigE WAN ports, allow straight load balancing or protocol binding to bond your traffic over one WAN interface.

FAST throughput of nearly 1Gbps with SPI. 1000BaseT (GigE) everywhere! Support for multiple VLAN's for segregating LAN traffic. Standard Netgear ProSafe lifetime warranty. Inboard power supply (no wall wart transformer). This is a more than worthy replacement for the old FVX538 line.

Cons: SSL-VPN looks better on paper than it ends up being in real life. Nowadays with Shrew Soft, IPsec is just as fast and easy.

Not a 'con' per se, but I'm not sure I like the DMZ being relegated to one specific port (port #4). Also, by default the DMZ has no outbound rule meaning all outbound traffic is dropped by default. Easy enough to create that rule, but that should have been more clearly documented IMHO.

No wall mount slots on the bottom of the unit. But rack ears can be turned 90 degrees for the same affect.

Other Thoughts: Do I need to say update the firmware right out of the box? Apparently I do, as many reviewers gave bad marks for old, outdated 2.x.x & 3.x.x firmware. Since the 4.x.x platform has been released most of the previous complaints and issues have been addressed and fixed.

I have several of these deployed at various client sites. No complaints, no problems, no issues. You do need to have a firm grasp of IP routing and networking to get all the VLAN and multi-WAN features enabled successfully.

I've used LOTS of firewalls from various manufacturers such as SonicWALL & Cisco for over 20 years and this is rapidly becoming my new 'go to' firewall. Fast & flexible!

After deploying a few of these into client networks I retired my own FVS336G and installed one in my own office mostly to support a growing number of IPsec VPN's. This unit is rock solid on 4.2.1-2 firmware. Absolutely no complaints.

IMHO, Netgear needs to scale this down into a 2 WAN port model and replace or update the aging FVS336G platform.

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

  • Anonymous
  • 7/18/2012 9:03:05 PM
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsGreat when works, and that's a big WHEN

Pros: Nice when it works, good and easy GUI, throughput is great, easy to setup

Cons: The major problem with this thing is that ... well, let's begin:
1. When you assign multiple IP addresses to a WAN port and reboot - all secondary IP are lost and must be re-entered. Some one mentioned in their review that you must use IP on different subsets - that's not true. If you get a block of IPs from your ISP you can assign them all to the same interface. You cant spread them between interfaces.
2. When it performs - great, but this thing has a mind of it's own - one second throughput is 70 Mbs, a minute later less than 1
3. Constantly locks up and requires to be physically rebooted - does not accept any remote connections
4. One of the major functions of this unit is VPN. We have 7 remote users using their expensive VPN client and connection gets dropped every 5 minutes. CONSTANTLY. Ridiculous.

Other Thoughts: Cant recommend this to any business unless a tech lives within 5 minutes in order to periodically visit the router in order to reboot it when it locks up and it does it at least weekly.

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

1 out of 5 eggsDoes not even measure up to their previous dual WANs

Pros: If it would actually function, it looks like it has a lot more horsepower than previous Netgear dual WAN routers

Cons: Do yourself a favor and do NOT get this expensive paper weight! I have several Netgear dual WAN routers deployed that work, but are overloaded, so I thought this would be the answer. I have been working with Netgear support for 5 weeks and they cannot even achieve the same 1:1 NAT functionality over multiple WANs to single LAN that the duals do. This unit is just far too unstable for me to deploy as sometimes one link will work and the other will not, then it will just change without any configuration change...

Other Thoughts: Purchasing this router was an EXPENSIVE MISTAKE!

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

  • Eric S.
  • 5/14/2012 1:23:14 PM
  • Ownership: 1 month to 1 year

1 out of 5 eggsNot that great

Pros: This router has a large feature set.

Cons: The router randomly crashes and locks up. I have to reboot it daily now which is not helpful since there isn't a way to automate this easily. Overall I'm not impressed with this router due to reliability.

Other Thoughts: I'm not impressed with this router. We have about 50 computers maximum that connect to our network, but this thing can't take a full load. Looking to get something else now, something that is more reliable.

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

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Netgear Inc. > 
Item#: N82E16833122369
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