Juniper SSG-520M-SH 8 Port Networking Security Appliance
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SSG-520M-SH Juniper 8 Ports SSG 520M Security Appliance Refurbished

Availability: In Stock
Part Number#: SSG-520M-SH
List Price was: $195.00
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Short Description:
SSG-520M-SH Juniper 8 Ports SSG 520M Security Appliance | Refurbished
Juniper Networks
Product Condition:
Warranty provided by ALLHDD.COM:
30 Days

Product Overview

The SSG-520M-SH Juniper 8 Ports SSG 520M Security Appliance is a security device designed to protect enterprise networks from cyber threats. The appliance has eight ports that can be used to connect to the network, and it provides a range of security features to safeguard against threats such as malware, viruses, and denial of service (DoS) attacks.

Hardware Specifications

The SSG-520M-SH Juniper 8 Ports SSG 520M Security Appliance has a range of hardware features that make it a powerful security device. It has a 1.2 GHz processor, 1GB of RAM, and a 120GB hard drive. It also has eight Ethernet ports, four of which are Gigabit Ethernet, and two mini-GBIC slots that can be used to connect to fiber optic cables. The device supports a range of network protocols, including TCP/IP, UDP, ICMP, and ARP, and it has a range of security protocols, including SSL, IPSec, and SSH.

Firewall Functionality

One of the primary functions of the SSG-520M-SH Juniper 8 Ports SSG 520M Security Appliance is to act as a firewall. The device provides stateful inspection firewall functionality, which means that it can monitor the state of connections and packets and block traffic that is not part of an established connection. This helps to prevent unauthorized access to the network and protect against threats such as port scanning and DoS attacks.

VPN Functionality

The SSG-520M-SH Juniper 8 Ports SSG 520M Security Appliance also provides VPN functionality, which allows remote users to securely access the network from outside the office. The device supports both SSL VPN and IPSec VPN, which provide different levels of security and flexibility. SSL VPN is typically easier to set up and use, while IPSec VPN provides more advanced security features.

Intrusion Prevention

Another important security feature provided by the SSG-520M-SH Juniper 8 Ports SSG 520M Security Appliance is intrusion prevention. The device can detect and block network traffic that is attempting to exploit known vulnerabilities or engage in other malicious activities. This helps to protect against threats such as worms, viruses, and other types of malware.

Content Filtering

The SSG-520M-SH Juniper 8 Ports SSG 520M Security Appliance also provides content filtering capabilities. This allows administrators to block access to certain types of websites or content that may be inappropriate or pose a security risk. The device supports a range of content filtering categories, including pornography, gambling, and social media, and it can be customized to meet the specific needs of an organization.

High Availability

The SSG-520M-SH Juniper 8 Ports SSG 520M Security Appliance also provides high availability features, which help to ensure that the device is always up and running. The device supports active-active and active-passive failover modes, which allow for redundancy and automatic failover in the event of a hardware failure or other issue.

Management and Monitoring

The SSG-520M-SH Juniper 8 Ports SSG 520M Security Appliance can be managed and monitored using a range of tools and interfaces. The device has a web-based management interface, which provides a graphical user interface for configuring and monitoring the device. It also supports SNMP, which allows for monitoring and management using third-party tools.

Finally, the SSG-520M-SH Juniper 8 Ports SSG 520M Security Appliance is a powerful security device that provides a range of features to protect enterprise networks from cyber threats. The device provides firewall, VPN, intrusion prevention, content filtering, and high availability features

Main Specification about the Juniper SSG-520M-SH

  • Manufacturer: Juniper
  • Part Number or SKU# SSG-520M-SH
  • Product Series: 500
  • Product Model: SSG 520M
  • Product Name: SSG 520M Security Appliance
  • Product Type: Network Security/Firewall Appliance

Technical Information

  • Virtualization:
  • 64000 x Concurrent Session
  • 10000 x Concurrent Session
  • 1000 x Security Policies Tenant
  • 500 x Concurrent VPN Tunnel
  • 100 x Tunnel Interface
  • 60 x Security Zone
  • 1500 x Mapped IP
  • 16 x Virtual IP
  • Firewall Protection: Access Control
  • Firewall Protection: Anti-spam
  • Firewall Protection: Security Zone Segmentation
  • Firewall Protection: Worm Scanning
  • Firewall Protection: Network Attack Detection
  • Firewall Protection: Denial of Service (DoS)
  • Firewall Protection: Distributed Denial of Service (DDoS)
  • Firewall Protection: TCP Reassembly for Fragmented Packet Protection
  • Firewall Protection: Brute Force Attack Mitigation
  • Firewall Protection: Cookie Blocking
  • Firewall Protection: IP Spoofing
  • Firewall Protection: Malformed Message Detection
  • Firewall Protection: Replay Attack Prevention
  • Encryption Standard: DES
  • Encryption Standard: 3DES (168-bit)
  • Encryption Standard: AES (256-bit)
  • Features: PAT
  • Interfaces/Ports
  • Total Number of Ports: 8
  • USB: Yes

Network & Communication

  • Ethernet Technology: Fast Ethernet
  • Network Standard: 10/100/1000Base-T

I/O Expansions

  • Number of Total Expansion Slots: 6
  • Expansion Slot Type: PIM
  • Number of PIM Slots: 6


  • Standard Memory: 1 GB

Power Description

  • Input Voltage: 110 V AC
  • Input Voltage: 220 V AC
  • Power Source: Power Supply
  • Firewall Protection: Worm Scanning

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

A proper network security appliance is able to provide you with threat defence, new malware protection, insightful reporting, application control, and more in one solution.

With organizations getting more and more reliant on software for automation and streamlining operations, users are getting strong emotional attachments to their vendors and applications. Advanced-level appliances are thus needed to maintain the relationship between you, as an end-user, and the vendors.

Security appliances can be defined as any server appliance form that is created for the protection of your computer networks from undesired traffic. There are various types of security appliances in the market. Some of them include:

  1. Preventative devices: These scan networks and recognize probable security issues like vulnerability assessment appliances and penetration testing.
  2. Passive devices: Sense and report undesired traffic. An example is intrusion detection appliances.
  3. Unified Threat Management (UTM): Appliances bring together features making one system like content filtering, some firewalls, and web caching.
  4. Active devices: These block undesired traffic. Examples of such are anti-virus scanning devices, content filtering devices, and firewalls.

Here at AllHDD, you can find the best network security appliance by choosing from our wide variety of options, we have different products with 1 port, 2 ports, 3 ports, and up to 24 ports!

Security Appliances

There is a wide variety of appliances in the market which address most of the security concerns out there. The challenge is that all vendors claim they are able to achieve what your security requirements are. The preference is that this is done via wireless connection.

It would be great if the claims are determined to a particular degree by an independent body. The body would conduct benchmark tests to guarantee your safety if making some assumptions.

Efficiency of Security Appliances

A massive amount of code is employed in the creation of security appliances like IPS or IDS. Buffer overflows probability against a product management interface ( management module) like this one is very high. Purchasing a product like this is essential in the hostile and complex computer environment of today.

You need to be aware of the existence of exploitable problems linked with a snort. Snort is the leading Open Source Intrusion Prevention System (IPS) around the globe. It utilizes a string of rules that aid in the definition of malicious activity on the network. It then uses the rules to locate packets matching against the activities and generates you, as the user, alerts.

Snort may be positioned inline to break off these packets. It has three main uses: Like a packet sniffer such as tcpdump, like a complete network intrusion prevention system, or like a packet logger essential in debugging network traffic. You can download Snort and configure it for your business or personal use.

VPN in Security Appliances

A VPN device is a network appliance fitted with advanced security features. VPN appliance, also referred to as Secure Sockets Layer (SSL), is effectively a router offering you firewall protection, authorization, load balancing, and encryption for Virtual Private Networks.

It is a network device that uses a public telecommunication framework like the Internet to offer individual users or remote offices secured proprietary data access. One of the commonly used conventions for the management of message transmission security on the internet is SSL. An ideal VPN device should provide multi-platform functionality and central management. It should also be compatible with all crucial network applications.

Security Appliances License

In networking, a network license facilitates many users on one particular TCP/IP network to have shared access to product licenses. The installed Network License Manager (NLM) controls the issuance of licenses to users.

On starting an Autodesk product, you are required to have a license from the license server via the network. If you have a license, NLM will allocate the computer and user starting the program a license. One thus decreases the number of licenses available on the server by one.


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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

Individual product warranty mentioned on each item product description page/detail page.

Free Technical support on purchased items, our expert consultancy over the phone, by email, by live chat, or by remote login.


Shipping Options and Estimated Delivery Time

UPS Shipping Options:

FREE UPS® Ground (Free shipping to all orders for 48 states!)
Estimated delivery time: 4-7 business days

UPS 3 Day Select®
Estimated delivery time: 3 business days

UPS 2nd Day Air®
Estimated delivery time: 1-2 business days, Delivery by 10:30 AM or 2:00 PM

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UPS Next Day Air® - Priority Overnight
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UPS Next Day Air® First Overnight - Early A.M
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UPS® First Overnight - Saturday
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FedEx Shipping Options:

FedEx Ground®
Estimated delivery time: (4–7 business days in the contiguous 48 states)
*For residential delivery via FedEx Ground use FedEx Home Delivery®
Estimated delivery time: 4−7 business days, based on the distance to the destination.

FedEx Express Saver®
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Available throughout all 50 states (except Hawaii and Alaska)

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Available throughout all 50 states

FedEx Standard Overnight®
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Available throughout all 50 states (Hawaii is outbound only)

FedEx Priority Overnight®
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Available throughout all 50 states

FedEx First Overnight®
Estimated delivery time: Next-business-day (by 8:30 or 9 AM to most areas)
Available throughout all 50 states

Worldwide Shipping Options:

UPS®/FedEx® International Economy

Estimated delivery time: 4-7 business days

UPS®/FedEx® International Priority

Estimated delivery time: 2-4 business days

UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days

Important notes:

  • The processing of orders with Ground Shipping can take up to 24-48 hours. But we try to process all orders the same day.
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  • You can estimate the shipping cost from the products detail page, also available on the checkout page
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