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- type: seo html - 30 September 2014 Tue @Hell Buddy

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Definition Network Configuration

10August 2014
Sunday



Understand the Network Configuration

Learning the Network Configuration if you don't really understand the network setting that would be much help to figure out the network issues.


Read the content or code / instruction -

The Real World Sample - Why unable login the Https secure page?

The Https server would be suspected the client's request because some security reasons such as the client's data not match. Therefore, the error message show up when the server refuse to retrieve the client login data.
It's not that difficult to understand the network configuration ...

TCP/IP = Your personal ID
Trustful Certificate = Security Login Card or ID
Local IP = Your physical address
  1. Internal IP - Located IP of Address and Router = physical Computer location

    Example 1: Mac IP Address - Media Access Control (Mac) Address has 12 digit number split by colon e.g. 12:34:56:ab:cd:ef
    Example 2: Router IP - Local network router e.g. 192.168.0.1.

    For Mac User to find MAC address:

    Click the Apple symbol on the left top corner -> select "About this Mac" -> "More Info" -> "System Report" -> "Network" -> "Location"
  2. External IP - ISP(Internet Server Provider) Modem access to DNS(Domain Name Server).

    DHCP (Dynamic Host Configuration Protocol) assign TCP/IP address (Transmission Control Protocol / Internet Protocol) to your Mac address.
    Web Server (Proxy Server) - Connect to Web Server that the Client query to server of the document pages.
    Https Server responds the security login pages request.


  3. Network ID - TCP/IP (Transmission Control Protocol / Internet Protocol)
    What different between of IPv4 and IPv6?


    IPv4 - Internet Protocol version 4
    It is 32 bits IP address that we use commonly. It can be 4 of 1 byte 8-11 decimal number separated by a dot as Class C id - 192.168.8.1 / 10.3.4.5 / other 32 bits IP addresses. It can support up to 232 addresses, however they are finishing to be used in near future; every computer, cell phone, iPad, printer, machine and every device require IP address, so IPv6 is developed as a replacement.
    About the IP Subnet Mask on IPv4: The subnet mask 255.255.255.0 is 24 bits and consists of the network ID which are to be used for the host ID attempt to communicate with another system, identify different group IP addresses and many devices on the same local area network(LAN). Router ID = usually we use Class C in 32-bit mask.



    IPv6 - Internet Protocol version 6
    The size increases extended to 128 bits, uses hexadecimal numbers that separated by colons as 1050:0:0:0:5:600:300c:326b . It can support up to 2128 addresses with better security and network related features that will need multiple IP addresses or permanent connectivity, simplify mobile and router network.
    About the Prefix Length 0f IPv6: The prefix-length in IPv6 is the equivalent of the subnet mask in IPv4. It is expressed as an integer between 1-128.


  4. DNS - Domain Name Server

    The DNS protocol is an important part of the web infrastructure, serving as the Internet phone book: every time you visit a website, your computer performs a DNS lookup. Complex pages often require multiple DNS lookups before they start loading, so your computer may be performing hundreds of lookups a day.

open the content >>

see the code OR slideshow instruction

Step 1 - Unable login Https page

The Https server would be suspected the client's request because some security reasons such as the client's data not match.

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