Firewalls
Firewalls are computer network security systems that monitor, manage, restrict, and allow data packets within a private network. At its simplest, a firewall works like a physical wall that prevents malicious attacks, unauthorized activities, and cyber threats. They are typically used for web traffic management and to weaken web threats.
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Refurbished Cisco Cisco Catalyst C6509-E-FWM-K9 Managed Power over Ethernet (PoE) 15U Black
Mfr. Part #: WS-C6509-E-FWM-K9
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Refurbished Nortel Nortel Secure Network Access Switch 4050 (SNAS) Managed
Mfr. Part #: EB1639170E5
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Refurbished NETGEAR NETGEAR ProSafeâ„¢ VPN Firewall 200 wired router
Mfr. Part #: FVX538
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Refurbished Cisco Cisco CVPN3015-NR-BUN wired router Blue
Mfr. Part #: CVPN3015-NR-BUN
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Refurbished Cisco Cisco SA 540 Series Security Appliances wired router
Mfr. Part #: SA540-K9
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Refurbished Cisco Cisco VPN 3002 Hardware Client data service unit
Mfr. Part #: CVPN3002-K9
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Refurbished Cisco Cisco VPN 3002 Hardware Client - VPN gateway - 8 ports - EN, Fast EN Managed Blue
Mfr. Part #: CVPN3002-8E-BUN-K9
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Refurbished McAfee McAfee NS7100 Gigabit Ethernet (10/100/1000) 1U Black
Mfr. Part #: IPS-NS7100-FOA
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New SonicWall 02-SSC-4328 SonicWall NSA 4700 hardware firewall 18 Gbit/s
Mfr. Part #: 02-SSC-4328
