Network Interfaze - Computer Network Security Engineering, Research, Testing, Training and Workshops in India (Kerala, Chennai, Bangalore, Hyderabad, Mumbai, Delhi, Pune)

Workshop - Network engineering & analysis

This workshop would focus on the fundamentals of networking and security technologies. This course would help the audience to understand how networking works in a practical environment.This would also involve configuration and deployment of networking and security solutions.

Fundamentals of networking
- Basics of communication
- OSI v/s TCP/IP layer
- TCP/IP Concepts and principles
- Data concepts at different layers
Numbering systems
- Hexadecimal
- Binary
- Decimal
- Conversion to different numbering systems
TCP/IP
- Application Layer
  - The need for application layer and associated sub-layers
  - Application identification in memory using software tools
  - Application programming Interface
  - Application layer interaction with lower layers
  - Usage of network analyzers
  - Packet decodes using network analyzers and analysis of the following application protocols
    - Ftp
      - FTP server and client configuration
      - Understand the significance of control and data ports for FTP
      - Active and Passive FTP
      - Security issues and mitigation
    - Telnet
      - Telnet Server and client configuration
      - Port number used in Telnet
      - Telnet Usage in real time environments
      - Security issues and mitigation
    - Dhcp
      - DHCP client and server configuration
      - Port numbers used in different DHCP packets
      - Security issues and mitigation
- Transport Layer
  - Transport Layer functionality
  - Reliable and unreliable protocols in transport layer
  - Integration between application and transport layer
  - Port numbers and identification
  - TCP and UDP protocol
  - Designing an application for TCP or UDP
    - TCP
      - The need for TCP communication
      - TCP congestion and flow control mechanism
      - Principles behind the realiability in TCP
      - Security issues with TCP
      - Packet decode of the following using network analyzers
        
        TCP implementation with an application
        TCP header
    - UDP
      - The need for UDP based communication
      - Why is UDP unrealiable
      - Security issues with UDP
      - Packet decode of the following using network analyzers
        
        UDP implementation with an application
        UDP header
- Network Layer
  - The IP Layer functionality
  - Integration with transport layer
  - Security issues and mitigation
  - Looping and mitigation in the network layer
  - IP
    - IPv4 header packet analysis
    - IP Addressing Scheme-IPv4
    - Subnetting, Classless & Classfull Addressing
    - VLSM, CIDR, NAT
    - Basics of ipv6 addressing and header format
  - ICMP
    - Functionality and usage
    - Packet level analysis of ICMP
    - ICMP common message types
- Data Link layer
  - DataLink Layer functionality
  - Integration with IP layer
  - LLC and MAC layers
  - Looping and mitigation
  - Ethernet
    - Functionality and usage
    - Ethernet frame types
    - Ethernet protocols
    - Communication modes and cables
    - Packet level analysis of Ethernet Frames
  - ARP
    - Functionality and usage
    - Packet level analysis of ARP
    - Security issues with ARP
    - Types of ARP (Proxy,gratious ARP)
  - PPP and HDLC
    - Functionality and Usage
    - Packet level analysis of PPP
Networking technologies in different components
- Hubs and repeaters
  - What are hubs and repeaters?
  - Protocols in a Hub communication
  - Issues related to Hubs (broadcast storms, bandwidth and security)
  - Collision and broadcast domain
  - Analysis of a hub communication
- Switches
  - Switches V/S Hubs
  - Switch architecture
  - Types of switching
  - Broadcast and collision domains
  - MAC processing on a switch – learning and forwarding process
  - MAC Tables- Content and population
  - Benefits of a switched communication
  - Vlan- Trunking, LACP, intervlan routing
  - STP/ RSTP/MSTP
  - Analysis of a switched communication
  - Switch usage in a network environment
  - Security on the switch – mac-based and web-based authentication.
- Routers
  - Functionality of Routers
  - Layer 3 switching and routing – comparison
  - Segmentation with Routers
  - Routing an IP datagram on a router interface.
  - Route table population
  - Detailed analysis of route tables
  - Analysis of distance vector and link state routing protocols.
  - Routing on a PC.
  - Packet filtering- Types of access list
  - TCP/IP settings on a router.
- Firewalls
  - Functionality of firewalls
  - Types of firewalls -> Network and application firewalls
  - Router as a firewall
  - Stateful and stateless firewalls
  - Firewalls v/s IDS and IPS
- Wireless
  - Access points – types
  - Fundamentals of wireless communication.
  - Security in wireless communication.
Configuration of the following scenarios
- Switch with PC's on the same vlan
- Switch with PC's on different vlans
- Router with switch configured on same and different vlans
- Point to point multiple router configuration
- FTP client to server access in a simulated internet environment involving DNS servers
- Web Server deployment and access
- Static and dynamic route configuration on the router
- Loop mitigation on the switch with STP
- Trunk configuration on the switch and router
- DHCP server configuration on a LAN
- Remote and branch office setup on WAN
- Office LAN setup
Packet Analysis of the following deployment and configuration scenarios
- Two pc's communicate via switch on the same network
- Two pc's communicate via switch and a router on different networks
- User segregation with vlan's
- Internet Infrastructure -> multiple routers, DNS servers, firewalls, web servers
- IP conservation with Natting and proxy methods
- Troubleshooting tools like ping, tracert
- IP packet in transit
- Frame in transit
- IP packet construction on the initiator
- IP packet dissection on the responder
- Communication channel formation

Network InterfazeRedefining Quality

Workshop - Network engineering & analysis