Cisco ASA5508-K9 Network Security Appliance
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ASA5508-K9 Cisco ASA 5508-X 8 Ports Security Appliance Refurbished

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Short Description:
ASA5508-K9 ASA5508-X Adaptive Security Appliance with FirePOWER Services - 8 Ports, Gigabit Ethernet (GigE), Advanced Encryption Standard/Data Encryption Standard (3DES/AES) | Made by Cisco | Refurbished
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Warranty provided by ALLHDD.COM:
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Product Overview of the Cisco ASA5508-K9 Adaptive Security Appliance

In the dynamic landscape of network security, organizations are continually seeking robust solutions to safeguard their digital assets. Cisco, a renowned name in the realm of networking, offers the ASA5508-K9 Adaptive Security Appliance, equipped with FirePOWER Services, as a formidable answer to the evolving challenges of cybersecurity. This comprehensive guide delves into the intricacies of the Cisco ASA5508-K9, exploring its features, specifications, and the critical role it plays in fortifying network defenses.

The Cisco ASA5508-K9 is part of the ASA5500-X series, designed to provide advanced threat protection and secure connectivity. As an Adaptive Security Appliance, it combines traditional firewall capabilities with next-generation firewall services, offering a comprehensive defense against a myriad of cyber threats.

Key Features

FirePOWER Services Integration

At the core of the ASA5508-K9's prowess is the integration of FirePOWER Services. This amalgamation empowers the appliance with advanced threat detection and mitigation capabilities. FirePOWER Services go beyond conventional firewall functions, incorporating intrusion prevention, malware protection, and URL filtering into a unified platform. This holistic approach ensures a multi-layered defense strategy against a wide spectrum of cyber threats.

Port Configuration

The ASA5508-K9 features 8 Gigabit Ethernet (GigE) ports, providing ample connectivity options for diverse network architectures. These ports support high-speed data transfer, ensuring efficient and seamless communication within the network.

Encryption Standards

Security is paramount in the digital realm, and the ASA5508-K9 addresses this by supporting both Advanced Encryption Standard (AES) and Data Encryption Standard (3DES). These encryption standards play a pivotal role in securing sensitive data during transit, ensuring confidentiality and integrity.

Technical Specifications

Let's delve into the technical specifications that define the capabilities of the Cisco ASA5508-K9 in more detail:


The ASA5508-K9 boasts impressive performance metrics, capable of handling high volumes of traffic without compromising on security. With a stateful inspection throughput of [X] Gbps and a maximum VPN throughput of [Y] Gbps, this appliance is well-suited for organizations with demanding network requirements.

FirePOWER Threat Defense

The integration of FirePOWER Threat Defense enhances the ASA5508-K9's threat detection and response capabilities. This feature leverages advanced technologies, such as machine learning and behavioral analytics, to identify and mitigate evolving cyber threats in real-time.


Scalability is a crucial consideration in network security, especially for growing organizations. The ASA5508-K9 is designed with scalability in mind, supporting the addition of FirePOWER modules to accommodate increasing security demands.

VPN Capabilities

In the era of remote work, Virtual Private Network (VPN) capabilities are indispensable. The ASA5508-K9 supports both site-to-site and remote-access VPNs, providing secure and encrypted connections for remote users and branch offices.

Redundancy and High Availability

Ensuring continuous network availability is a priority for organizations. The ASA5508-K9 addresses this need by offering features such as failover support and clustering, minimizing downtime and enhancing overall network reliability.

Deployment Scenarios

Understanding how the ASA5508-K9 fits into different network architectures is crucial for making informed decisions. Let's explore common deployment scenarios:

Edge Security

Placing the ASA5508-K9 at the network edge serves as a robust first line of defense against external threats. Its firewall capabilities, coupled with the advanced threat detection of FirePOWER Services, provide a comprehensive shield for incoming and outgoing traffic.

Data Center Security

In data center environments, where large volumes of sensitive data are processed, the ASA5508-K9 can be deployed to enforce security policies, monitor traffic, and protect against advanced threats. Its scalability ensures it can adapt to the evolving needs of data center networks.

Remote Access

For organizations with remote workforce requirements, the ASA5508-K9 facilitates secure remote access through its VPN capabilities. This ensures that remote users can connect to the corporate network securely, maintaining the confidentiality of data.

Intrusion Detection System of Firepower Appliance

The ASA5508-K9 Cisco ASA 5508 w/FirePOWER is a security appliance that includes an Intrusion Detection System (IDS) as one of its key features. The IDS is designed to detect and prevent attacks that attempt to exploit vulnerabilities in your network.

Here are some key details about the IDS feature on the ASA5508-K9:

  • Detection Methods: The IDS on the ASA5508-K9 uses a combination of signature-based and anomaly-based detection methods to identify potential threats. Signature-based detection relies on a database of known attack patterns and matches incoming traffic against this database. Anomaly-based detection, on the other hand, uses statistical analysis to identify traffic patterns that deviate from normal behavior.
  • Integration with FirePOWER: The IDS on the ASA5508-K9 is integrated with FirePOWER, which is a next-generation firewall technology that provides advanced threat protection. This integration allows the IDS to leverage the advanced threat intelligence provided by FirePOWER to better detect and prevent attacks.
  • Customization: The IDS on the ASA5508-K9 allows you to customize the detection rules to better match your network environment. This can include creating custom signatures for specific applications or services that are unique to your network.
  • Reporting and Alerting: The IDS on the ASA5508-K9 provides detailed reporting and alerting capabilities to help you quickly identify and respond to potential threats. This includes real-time alerts for high-priority events, as well as detailed reports that can be used for forensic analysis.
  • Performance: The IDS on the ASA5508-K9 is designed to deliver high-performance threat detection without impacting network performance. This is achieved through the use of hardware acceleration and advanced threat detection algorithms.

Network Access Control

Network Access Control (NAC) is a security solution that controls the access of devices to a network. It is designed to protect networks from unauthorized access, data theft, and other security threats. The Cisco 8 Ports ASA 5508 w/FirePOWER Security Appliance is a powerful firewall and security appliance that provides comprehensive network access control features. Here are some details about the NAC capabilities of this device:

  • Identity-Based Access Control: The ASA 5508 can identify users and devices on the network using various methods such as Active Directory, LDAP, RADIUS, and Cisco ISE. It can then enforce access policies based on the user's identity, device type, location, and other factors.
  • Endpoint Security Assessment: The ASA 5508 can perform a security assessment of endpoints before allowing them to access the network. This assessment can include checking for antivirus software, software updates, and other security requirements.
  • Guest Access: The ASA 5508 can provide secure guest access to the network, allowing guests to access the internet and specific resources without compromising the security of the main network.
  • Network Segmentation: The ASA 5508 can segment the network into multiple virtual LANs (VLANs) to separate different types of traffic and enforce access policies on a per-VLAN basis.
  • Threat Prevention: The ASA 5508 includes FirePOWER threat prevention technology, which can detect and prevent various types of security threats such as malware, viruses,

Distributed Denial of Service (DDoS) Prevention

Distributed Denial of Service (DDoS) is a type of cyber attack that targets websites, networks, or servers by overwhelming them with traffic from multiple sources. DDoS attacks can cause significant damage to an organization's IT infrastructure, resulting in financial loss, damage to reputation, and disruption of services.

To prevent DDoS attacks, organizations can use the ASA5508-K9 Cisco ASA 5508 w/FirePOWER Security Appliance. This appliance is designed to provide comprehensive network security and threat protection, including DDoS prevention.

The ASA5508-K9 uses various techniques to prevent DDoS attacks. These include:

  • Traffic filtering: The appliance can filter out unwanted traffic, including traffic from known malicious IP addresses and suspicious traffic patterns.
  • Traffic shaping: The ASA5508-K9 can shape traffic by limiting the number of connections per second or per source IP address. This can prevent attackers from overwhelming the network with a flood of requests.
  • Load balancing: The appliance can distribute traffic across multiple servers, preventing any one server from being overwhelmed with requests.
  • Anomaly detection: The ASA5508-K9 can detect unusual traffic patterns, such as a sudden surge in traffic or traffic from unusual sources. This can help identify potential DDoS attacks and take action to prevent them.

General Information about this Cisco ASA5508-K9

  • Manufacturer: Cisco
  • Model Number or SKU# ASA5508-K9
  • Product Line: ASA
  • Product Series 5500-X
  • Product Model 5508-X
  • Product Name ASA 5508-X Network Security/Firewall Appliance
  • Product Type: Network Management Devicefv

Technical Information of Security Appliance

  • Firewall Protection Threat Protection
  • Firewall Protection Application Control
  • Firewall Protection URL Filtering
  • Firewall Protection Web Content Filtering
  • Firewall Protection Intrusion Prevention
  • Encryption Standard 3DES
  • Encryption Standard AES

Interfaces / Ports of Network Management Device

  • Total Number of Ports: 8
  • USB: Yes
  • POE (RJ-45) Port: No
  • Number of Network (RJ-45) Ports: 8
  • IPsec site-to-site VPN peers: 100
  • Virtual interfaces (VLANs): 50

Network & Communication for Firewall Appliance

  • Ethernet Technology Gigabit Ethernet
  • Network Standard 10/100/1000Base-T
  • Connectivity Technology: Wired


  • Data Transfer Rate: 450 Mbps
  • Throughput: Application Control (AVC): 450 Mbps
  • Throughput: Application Control (AVC) and IPS: 250 Mbps
  • Maximum concurrent sessions 100,000
  • Maximum New Connections per second 10,000
  • Supported applications More than 3,000
  • Centralized configuration, logging, monitoring, and Reporting: Multi-device Cisco Security Manager (CSM) and Cisco Firepower Management Center
  • Feature Cisco ASA 5508-X w/ FirePOWER Services
  • Stateful inspection throughput (maximum) 1 GBPS
  • Stateful inspection throughput (multiprotocol) 500 MBPS
  • Triple Data Encryption Standard/Advanced Encryption Standard (3DES/AES) VPN throughput3: 175 Mbps
  • Users/nodes Unlimited

Management & Protocols

  • Manageable Yes
  • Data Link Protocol: Ethernet, Fast Ethernet, Gigabit Ethernet
  • On-Device Management ASDM (version 7.3 or higher required)
Power Description
  • Power Source Power Supply
  • Power (AC or DC): AC Only
  • Frequency Required: 50/60 Hz
  • Nominal Voltage: AC 120/230 V
  • Power Device Type: External power adapter
Environmental Parameters
  • Min Operating Temperature:32 degrees Fahrenheit
  • Max Operating Temperature:104 degrees Fahrenheit
  • Humidity Range Operating:10 – 90% (non-condensing)
  • Height (Rack Units):1
  • Encryption Algorithm: AES, Triple DES
  • Compliant Standards: CISPR 22, CISPR 24, CNS 13438, EN 300 386 V1.6.1, EN 300.489.1, EN 61000-3-2, EN 61000-3-3, EN55022, EN55024, FCC CFR47 Part 15, ICES-003, VCCI V-3

In summary, the Cisco ASA5508-K9 Adaptive Security Appliance stands as a stalwart guardian in the realm of network security. Its integration of FirePOWER Services, robust port configuration, adherence to encryption standards, and versatile deployment options make it a compelling choice for organizations seeking a comprehensive and adaptable security solution. As cyber threats continue to evolve, the ASA5508-K9 remains at the forefront, embodying Cisco's commitment to providing cutting-edge network security solutions. Cisco ASA5508-K9 Adaptive Security Appliance stands as a stalwart guardian in the realm of network security. Its integration of FirePOWER Services, robust port configuration, adherence to encryption standards, and versatile deployment options make it a compelling choice for organizations seeking a comprehensive and adaptable security solution. As cyber threats continue to evolve, the ASA5508-K9 remains at the forefront, embodying Cisco's commitment to providing cutting-edge network security solutions.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

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