Digital Security Control & solutions,
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Internet Protocol (IP) addresses is usually
of two types: Public and Private. If you have ever wondered to
know what is the difference between a public and a private IP
address, then you are at the right place.
In this post I will try to explain the difference
between a public and a private IP address in layman’s terms so that
it becomes simple and easy to understand.
What are Public IP Addresses?
A public IP address is assigned to every
computer that connects to the Internet where each IP is
unique. In this case, there cannot exist two computers with the same
public IP address all over the Internet. This addressing scheme makes it
possible for the computers to “find each other” online and exchange
information. User has no control over the IP address (public) that is assigned
to the computer. The public IP address is assigned to the computer by
the Internet Service Provider as soon as the computer is connected to the
A public IP address can be either static
or dynamic. A static public IP address does not change and is
used primarily for hosting web pages or services on the Internet. On the
other hand, a dynamic public IP address is chosen from a pool of available
addresses and changes each time one connects to the Internet.
Most Internet users will only have a dynamic IP
assigned to their computer which goes off when the computer is disconnected
from the Internet. Thus when it is re-connected it gets a new IP.
What are Private IP Addresses?
IP address is considered private if the IP number falls within one of the IP
address ranges reserved for private networks such as a Local Area Network
(LAN). The Internet Assigned Numbers Authority (IANA) has reserved the
following three blocks of the IP address space for private networks (local
IP addresses are used for numbering the computers in a private network
including home, school and business LANs in airports and hotels which
makes it possible for the computers in the network to communicate with each
for example, if a network X consists of 10 computers, each of them
can be given an IP starting from 192.168.1.1 to 192.168.1.10. Unlike
the public IP, the administrator ofthe private network is free to
assign an IP address of his own choice (provided the IP number falls in the
private IP address range as mentioned above).
with private IP addresses cannot connect directly to the Internet. Likewise,
computers outside the local network cannot connect directly to a device with a
private IP. It is possible to interconnect two private networks with the help
of a router or a similar device that supports Network Address Translation.
the private network is connected to the Internet (through an Internet
connection via ISP), then each computer will have a private IP as well as a
public IP. Private IP is used for communication within the network where as the
public IP is used for communication over the Internet. Most Internet users with
a DSL/ADSL connection will have both a private as well as a public IP.
can know your private IP by typing ipconfig
command in the command prompt. The number that you see against “IPV4 Address:”
is your private IP which in most cases will be 192.168.1.1 or 192.168.1.2. Unlike
the public IP, private IP addresses are always static in nature.
Common Myth about Private IP Address:
people assume that a private IP is the one used for stealth Internet
activities and hence cannot be detected. But this is NOT TRUE!.
what most people think, a private IP address (unlike the private telephone
number) is just like any other IP address that belongs to a private network. In
reality, there is no public IP address that is impossible to trace as the
protocol itself is designed for transparency.
Biometric technology and ID
identification has greatly reduced the possibilities of buddy punching and
unauthorized access for businesses. Yet there are different types of biometric
technology on the market as a business owner has to decide which will work
right for their building.
Door fingerprint locks rely on scanning the unique ridges and valleys on the
tips of a worker's finger. These fingerprints are used to match the
fingerprints on file in the system to identify the worker.
Facial identification: Facial identification works by taking pictures of a worker's
face at different angles during the enrollment program. These pictures are
stored in the system's database. When a worker uses the facial recognition
system, they show their ID card as the system scans their face through the
camera and matches it to the pictures in the system.
How To Choose A
Biometric System? Both facial and fingerprint biometric recognition systems have
their advantages and disadvantages. Yet the benefits should convince most
business owners to invest in one of these security and time clock attendance
systems. To decide which biometric identification system to pick, use these
factors based on the type of business:
* How much can you invest in a biometric system?
* How many biometric systems will you need?
* Where will the biometric systems be placed (interior or exterior)?
* What environmental issues may affect the biometric system operations (i.e.
dirty work areas that will affect fingerprint scans or lighting that may affect
With much talk of budget cuts, many US-based
organizations are still willing to pour dollars into their physical security
initiatives, at least according to a recent study from by IMS Research. In fact,
45 percent of end users say that their security budget increased in 2012, the
"It's clear that end users are still feeling the
risk to their facilities -- and that means there's plenty of opportunity for
manufacturers of physical security equipment," said Niall Jenkins, manager
for video surveillance and security services research at IMS, in a press
statement. "Just having a budget available was actually one of the top two
reasons for end users paying to replace or upgrade their systems as well."
The survey, which polled 200 end users of physical
security equipment across North America, found that the majority of these
organizations are dedicating large amounts of resources to physical security.
In fact, 44 percent reported that their organization's annual budget exceeded
"Budgets either stayed the same or increased last
year for those that spent approximately Rs. 1Cr and also for 85 percent of the
overall market," Jenkins noted. "I wouldn't say that the security
boom is over just yet."
Even with bigger budgets, users report concerns. Despite investing
in new equipment, buyers say that their biggest worry is that vendors will
suspend support for newly-acquired security products while they are still being
productively used within the organization, the survey found.
Especially as the market in the US transitions from
analog to network-based video surveillance, vendors are shifting their product
mixes and ending support for products, said Jenkins in an interview with IFSEC
Global. "There's also a transition to the use of video analytics, PSIM,
and wireless infrastructure," he added. "In the fire market, you
don't see that pace of development, while intruder alarm and access control are
probably somewhere in the middle."
In addition, some vertical markets feel better served by
security vendors. "The majority of end user markets, when asked about
whether security meet their needs, were positive, but the transportation
industry overall jumped out as one vertical that said the security industry
wasn't meet their needs," Jenkins told us.
So, let us know. Is your budget on the rise? Where do you
plan to invest?
Indian Company also increase there Security Budgets in 2013.
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