Cisco PIX (Private Internet eXchange) is one of the most popular IP firewalls and network address translation (NAT) appliances.
The PIX is a firewall appliance based on a hardened, specially built operating system, PIX OS, minimizing possible OS-specific security holes.
The PIX runs a custom-written proprietary operating system originally called Finesse (Fast InterNEt Server Executive), but now the software is known simply as PIX OS. It is classified as a network layer firewall with stateful inspection, although technically the PIX would more precisely be called a Layer 4, or Transport Layer Firewall, as its access is not restricted to Network Layer routing, but socket based connections (a port and an IP Address - Port communications occur at Layer 4).
PIX firewalls provide a wide range of security and networking services including:
![]() Cisco PIX 515E FO BUN Failover Firewall 128MB Dram 6FE US $295.00
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![]() CISCO PVDM2 48 w 1 YEAR WARRANTY 48 Channel DSP Module US $375.00
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![]() CISCO 19 Rack Mount Kit for 3640 Router ACS 3640RM 19 US $9.84
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![]() Cisco PIX 1FE Warranty and Tested US $15.00
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![]() Cisco NMD 36 ESW 2GIG 1 Year Warranty SHIPS TODAY US $400.00
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![]() CISCO NM 4T w 1 YR WRTY SHIPS TODAY 4 Port Sync Serial US $59.00
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![]() Cisco PA 2FEISL FX w 2 Yr WRTY SHIPS TODAY 100BASE Fx US $50.00
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![]() AIR AP1230A A K9 AIR PWR A w Yr Warranty SHIPS TODAY US $199.00
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![]() Cisco WS X4224 RJ45V w 1 YR WRTY SHIPS TODAY 8023af US $1,325.00
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![]() Cisco RSP16 w 1 Yr Wrty 7500 Route Switch Processor 16 US $2,300.00
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![]() CISCO WS X6148 RJ21V w 1 YR WRTY SHIPS TODAY 10 100 US $110.00
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![]() Draytek Vigor 2900VG VPN VOIP Wireless Secutity Router US $117.50
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