01. Before OSI
Network Security - Common Security Attacks/Mitigation's - Hacking - Malicious Codes (Virus, Worms) - Threat Defense
01. Before OSI
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02. OSI Layers
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03. Application Layers
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04.  Presentation Layer
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05.  Session layer
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06.  Transport Layer
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07.  Network Layer part 1
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08.  Network Layer part 2
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09.  Protocol & port no
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10.  Data Link Layer
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11.  Physical Layer
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12.  Devices on OSI Layers
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13.  What is PDU
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14.  Data encapsulation & De-encapsulation process
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15.  OSI Peer to Peer model
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16. OSI & TCP-IP
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5. Introduction of GRE
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22. Object Group & Its Type
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001. Access Control List Intro & Implementation Rules
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002. Task & Solution --Numbered & Named Standard ACL
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003. Task & Solution --Numbered & Named Extended ACL
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04. Routing Protocols & ACL part 1
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05. Routing Protocols & ACL part 2
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06. Time-Based Access Control List
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07. Remote Access Security ---(Time-based)
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08. Monitoring SYN-Attack with Attacker IP & MAC Address
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09. Dynamic ACL--LOCK & KEY
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010. Reflexive Access-List
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011. IOS Firewall ---Context-Based Access Control
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012. Zone Based Firewall
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013. Unicast Reverse Path Forwarding—URPF
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014. TCP Intercept--INTERCEPT & WATCH MODE part 1
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015. TCP Intercept--INTERCEPT & WATCH MODE part 2
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1. Telnet is not Secure
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2. Secure Remote Session with SSH--(telnet vs ssh)
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3. Auto Command User Security
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4. Users Privilege Level Security
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5. IOS Login Enhancement---Un-Authorize Login Block
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6. IOS Login Enhancement---Quiet Mode with Extended ACL
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7. IOS Login Enhancement---Slow Down login Attack
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8. IOS Login Enhancement---Authorize & Un-Authorize Logs
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9. dot1x security part 1
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10-dot1x security part 2
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