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  "description": "Cisco Private Internet Exchange (PIX) Overview",
  "path": "/pix-cisco-private-internet-exchange/",
  "publishedAt": "2025-12-26T12:23:21.000Z",
  "site": "https://cg1network.com",
  "tags": [
    "PIX - Product RangeOverview of Cisco PIX firewallsCG1NETWORKCraig Garnham",
    "PIX - Firewall EssentialsGetting started with the Cisco PIX firewallCG1NETWORKCraig Garnham",
    "PIX - Translations and ConnectionsConfigure NAT and PAT on a Cisco PIX FirewallCG1NETWORKCraig Garnham",
    "PIX - Access Control ListsConfigure ACLs on a Cisco PIX FirewallCG1NETWORKCraig Garnham",
    "PIX - Object GroupsConfigure Object Groups on a Cisco PIX FirewallCG1NETWORKCraig Garnham",
    "PIX - Protocol HandlingPIX Protocol Handling and Fixup commands.CG1NETWORKCraig Garnham",
    "PIX - Intrusion Detection and ShunningIntrusion Detection features on PIX FirewallCG1NETWORKCraig Garnham",
    "PIX - FailoverConfigure failover on Cisco PIX firewallCG1NETWORKCraig Garnham",
    "PIX - RoutingConfigure static routes, RIP, and OSPF routing on a Cisco PIX firewallCG1NETWORKCraig Garnham",
    "PIX - Site-to-Site VPNConfigure site to site VPN tunnel on a Cisco PIX FirewallCG1NETWORKCraig Garnham",
    "PIX - EasyVPNConfigure Cisco EasyVPN on a PIX FirewallCG1NETWORKCraig Garnham"
  ],
  "textContent": "Firewall controls access between two or more networks.\n\n**Packet filtering**\n\nstatic filtering based on packet header information, using access control lists\n\nA malicious user can discover which packets meet the firewall criteria\n\npackets can get through by being fragmented\n\nComplex access control lists are challenging to configure and maintain\n\nNot all services can be packet-filtered\n\n**Proxy services**\n\nProxy server looks at Layers 4-7, hides details of the protected network\n\nsession state, user authentication, authorization\n\nA proxy server represents a single point of failure\n\nhigh degree of performance overhead, not a scalable solution\n\n**Stateful packet filtering**\n\nmaintains complete session state data in a stateful session flow table for TCP or UDP\n\ncontains contents of fields in packet headers (Source Address, Destination Address, Port, Sequence number)\n\nPIX generated a “Connections object” in memory\n\nfunctions with packets and connections (sessions), performs better than other methods\n\n### Cisco PIX Firewall features\n\n  * Security appliances built for security, reliability, and robust performance\n  * Adaptive Security Algorithm (ASA)\n  * Engines to inspect layers 4-7\n  * user-based authentication\n  * Virtual Private Networking (VPNs)\n  * web-based management with PDM, CWFMC, SSH, SNMP, SYSLOG\n  * Resilient operations through stateful failover\n  * Supports static and dynamic NAT\n  * Supports port address translation (PAT)\n  * Protections from common internet threats\n\nPIX - Product RangeOverview of Cisco PIX firewallsCG1NETWORKCraig GarnhamPIX - Firewall EssentialsGetting started with the Cisco PIX firewallCG1NETWORKCraig GarnhamPIX - Translations and ConnectionsConfigure NAT and PAT on a Cisco PIX FirewallCG1NETWORKCraig GarnhamPIX - Access Control ListsConfigure ACLs on a Cisco PIX FirewallCG1NETWORKCraig GarnhamPIX - Object GroupsConfigure Object Groups on a Cisco PIX FirewallCG1NETWORKCraig GarnhamPIX - Protocol HandlingPIX Protocol Handling and Fixup commands.CG1NETWORKCraig GarnhamPIX - Intrusion Detection and ShunningIntrusion Detection features on PIX FirewallCG1NETWORKCraig GarnhamPIX - FailoverConfigure failover on Cisco PIX firewallCG1NETWORKCraig GarnhamPIX - RoutingConfigure static routes, RIP, and OSPF routing on a Cisco PIX firewallCG1NETWORKCraig GarnhamPIX - Site-to-Site VPNConfigure site to site VPN tunnel on a Cisco PIX FirewallCG1NETWORKCraig GarnhamPIX - EasyVPNConfigure Cisco EasyVPN on a PIX FirewallCG1NETWORKCraig Garnham",
  "title": "PIX - Cisco Private Internet Exchange",
  "updatedAt": "2026-03-08T13:16:27.444Z"
}