Features & Benifits of IPV6 Firewall

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Ipv6 FirewallFeatures Benefits
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Ipv6 Firewall

• Internet Protocol v6 is the latest version of IP
  that serves the function of providing a unique
  identification number to systems connected across
  the Internet.IPv6 is the improved and advanced
  version of its predecessor IPv4.

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Features of IPv6 Firewall

• IPv6 uses a 128-bit processor address which
  enhances the total number of possible addresses.
• IPv6 addresses are expressed as 8-bit values
  separated by periods.
• IPv6 systems dont need a DCHP server in order
  to function effectively.
• IPv6 systems can have a link local, site local
  or a multicast address.
• The standard size of a subnet is square of the
  size of the IPv4 address space. This results in
  lower space utilization as compared to IPv4.
  However, the system, as compared to IPv4 is more
  efficient in network management.

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Setting up the IPv6 firewall protection

• It is worth mentioning here that IPv6 is only
  provided with the advanced networking pack for
  Windows XP. In order to set up IPv6 Internet
  Connection Firewall just use the below mentioned
  commands.
• 1- Show- Use this command to view the IPv6 ICF
  configuration.
• 2- Show global port- Global ports are
  configured on all network adapters. By using this
  command you can view these ports.
• 3- Show adapter- Click on this command in order
  to view the list of all adapters configured with
  IPv6. Adding the adapter name would enable you in
  viewing all the ports that are open. The
  different types of ports in this category are
  Effective port, open port and Ignored global
  port.
• 4- Show logging- Would help you in figuring out
  the logging options that are enabled, location of
  the log file and other logging configuration
  details.

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• 5- Set global port - Enables you in
  configuring ports on adapters. You can use this
  command in order to open a specific port on
  network adapters in case you have a computer that
  acts as a web server. There are different
  commands like port, name and protocol in order
  to help you in this regard.
• 6- Set adapter - There are different commands
  like icmp, type, port, name etc. that can help
  you in enabling/disabling IPv6 filtering.
• 7- Set logging- Helps you in specifying the
  location where the file is written to.

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Types of IPV6 Address

• IPv4, IPv6 has three different address types
  that are commonly used these include
• Unicast
• Multicast
• Anycast

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Unicast

• The IPv6 unicast address type operates in the
  same way as IPv4 a unicast address is used to
  send traffic from one source device to one
  destination device.
• This is the most used address type as most
  traffic (currently) is sourced from one place and
  destined for one other place this may change as
  network telephone and video services become  used
  more.

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Multicast

• The IPv6 multicast address type also operates
  in the same was as with IPv4 a multicast address
  is used to send traffic to a group of devices.
• This is used when there is a single source
  that needs to send traffic to multiple
  destinations this traffic can be treated
  differently by the intermediate devices compared
  with unicast.
• If this same traffic would be sent via unicast
  methods, these devices would need to process each
  traffic stream from source to destination
  separately causing additional traffic delay.

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Anycast

• The IPv6 anycast address type is where IPv4
  and IPv6 differ. The anycast address type offers
  something that was not offered with IPv4 which is
  the ability to send a packet to the closest
  device.
• When using anycast, a group of devices are
  given the same anycast addresswhen a source
  looks to send a packet to that address, the
  routing protocol will calculate the closest match
  to the source device and send the traffic there.

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Advantages of IPv6 Firewall

• Provides more address space ( which is being
  needed in larger buisness scales-example comcast)
• More powerful internet (128bit versus IPv4's
  current 32 bit)
• Offers and overall larger scale internet-which
  again will be needed in the future
• Address allocation is done by the device
  itself
• Support for security using (IPsec) Internet
  Protocol Security

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Disadvantages of IPv6 Firewall

• It will be much harder to remember IP addresses
  (compared to the addresses now)
• Creating a smooth transition from IPv4 to IPv6.
• IPv6 is not available to machines that run
  IPv4.
• Any consumer costs in having to replace an IPv4
  machine.
• Time to convert over to IPv6.

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