IPCONFIG
- Command line tool displays the TCP/IP network configuration of the network adapters on a windows computer.
- used for troubleshooting issues.
- Dual Stack is for compatibility purposes.
- Ipconfig can be combined with subcommands , called switches.
- ipconfig /all display the full TCP/IP configuration of your network adapters.
Types of IP address / Version of IP address :
- IPv4 Address
- IPv6 Address
IPV4 Address
- Developed by DARPA ( Defence Advanced Research Projects Agency ) in 1981.
- Managed and distributed by IANA ( Internet Assigned Number Authority ).
- Represented into dotted decimal number.
- It has 32 bits divided into 4 groups each having 8 bits.
- It supports 4.2 billion IPv4 addresses.
- It supports unicasting, multicasting and broadcasting transmission way
IPV6
- Developed by IETF.
- Developed by IETF.
- Launched in 6 June, 2012
- It has 128 bits divided into 8 groups each having 16 bits.
- Represented into Hexadecimal Number System.
- Represented into separated by colon(:).
- It supports 3.4*10^38 IPv6 addresses.
- These addresses supports unicasting, multicasting and any casting.
- There is no any class like IPv4
DNS is designed as a client/server application. A host that needs to map an address to a name or a name to an address
calls a DNS client called a resolver. The resolver accesses the closest DNS server with a mapping request.
FLUSH DNS
flushes the DNS resolver cache n the computer.
- DNS resolves names to IP addresses.
- computer don’t understand names….they only understand numbers.
- DNS spoofing is when hackers and malware alter your DNS cache and redirect you to fraudulent websites your DNS if you suspect that your DNS cache has been maliciously altered.
- flushing Your DNS can help hide website search behavior.
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