FIREWALL

FIREWALL

This menu page was created as an alternative to give my guests a good idea regarding firewalls and networking. This will help my friends to understand what really firewalls and networking means, how they work and how to configure them. Below are the the tips and tricks for networking, to those wants to learn computer networking you free to browse and explore my site.

All the contents on this page are copied from firewall.cx.

FIREWALL
> Introduction > Firewall Topologies > The DMZ Zone > DoS & DDoS Attacks > Locking Win9X Network Address Translation > Introduction > The NAT Concept > The NAT Table	Network Address Translation (cont.) > Static NAT-Part 1 > Static NAT Part 2 > Dynamic NAT-Part 1 > Dynamic NAT - Part 2 > Overload NAT/PAT - Part 1 > Overload NAT/PAT- Part 2

NETWORKING

General
> Introduction
> Topologies

Data Transmission
> Introduction
> Mac Addresses
> Broadcast (B)
> Multicast
> Multicast IP List
> Unicast (U)
> Controlling Broadcasts & Multicasts

IP Subnetting
> Introduction
> Basic Concepts
> Subnet Mask Effect
> Subnet Mask Bits
> Subnet Routing & Communications
> Subnetting Guidelines

Supernetting
> Introduction
> In Depth Analysis
> Supernetting Chart

> Securing Your Home Network

Cabling
> Introduction
> UTP CAT 1/2/3/4/5/6 Cable
> UTP Straight Through Cable
> UTP X-over Cable
> Fiber Optic Cable
> 10Base T/2/F/5/35
> 100Base T/TX/T4/FX

Direct Cable Connection (DCC)
> Introduction
> Serial DCC
> Parallel DCC
> USB DCC
> Important Notes For DCC

Protocols
> Introduction

TCP
> Introduction
> A Transport Protocol
> Quick Overview
> TCP Header / Segment

In-Depth TCP Analysis
   > Introduction
> Source & Destination Port
> Sequence & Ack. Numbers
   > Header Length
   > TCP Flag Options
   > Window, Checksum, Urgent Flags
   > TCP Options
   > Data
> UDP
> FTP
> TFTP

DNS
> Introduction
> The DNS Protocol
> The DNS Resolution Process
> DNS Query Messages
> DNS Response Messages

    DNS Server Setup (Unix-BIND)
    > Introduction
    > The db.domain file
   > The db.addr file
   > Other Common Files
    > Slave DNS Server
   > DNS Caching

ICMP
> Introduction
> ICMP Echo/Echo Reply (ping)
> ICMP Destination Unreachable
> ICMP Source Quench
> ICMP Redirect
> ICMP Time Exceeded

Internet Protocol (IP)
> Introduction
> Binary & IP
> The IP Header
> IP Classes

Protocols (Continued)

The OSI Model
> Introduction
> Layer 1
> Layer 2
> Layer 3
> Layer 4
> Layer 5
> Layer 6
> Layer 7
> Layer Encapsulation & Decapsulation

Routing
> Introduction
> Routed Protocols
> IP Routing

   Routing Protocols
   > Introduction
   > Distance Vector Routing Protocols
   > Link State Routing Protocols
   > Hybrid Routing Protocols
   > OSPF Routing Protocol
   > RIP Routing Protocol
   > IGRP Routing Protocol
   > EIGRP Routing Protocol

Connectivity Devices
> Hubs & Repeaters
> Switches & Bridges

Routers
> Introduction
> Cisco Basics

   Cisco Modes
   > Introduction
> User Exec Mode
> User Privileged Mode

Ethernet
> Introduction

   Frame Formats
    > Introduction
   > Ethernet 802.3
    > Ethernet II
    > Ethernet 802.3 SNAP
    > Ethernet 802.3 Raw (Novell)
    > Media Access

    Collisions
    > Introduction
    > Early Collisions
    > Late Collisions
> Propagation Delay
> Frame Corruption
> Interframe Gap
> Signal Encoding

Fast Ethernet
> Introduction
> 10/100 Mbits
> Integration
> Migration
> The Fast Ethernet Model
> Troubleshooting