Securing Wireless Networks - Small Business and Residential Setups

Today in the year 2008, In the United kingdom,internet via router, the client computers must be
broadband take up is increasing sharply and someset up to obtain their network addresses from
anecdotal evidence can be garnered from thethe router.
fact that there is virtually no marketing of dialupDHCP really simplifies the set up off networks of
internet connection offer, substantively all internetall sizes, however, it also makes it a lot easier for
service providers market only their broadbandan uninvited interloper to join your wireless
services. Generally, most ISPs provide wirelessnetwork, particularly where the wep encryption
routers as standard for all fixed land line ADSLoption has not been taken up. Essentially, any
broadband connections. ISPs generally offercomputer configured to accept wireless network
slightly different connection packages to smallconnections automatically, might be able to join
businesses and these packages do often include ayour network. This could , potentially, give the
free wireless touter. The primary use of wirelessinterloper full access to the computer files of
routers issued by the ISPs is internet connectionevery computer on your wireless network.
sharing. Thus a single broadband connection in aManual IP Setup: Most routers can be configured
household or office could be shared by severalto use manually assigned computer addresses or
computers within the range of that router.IP addresses. These fixed IPs are substantively
Setup for your router will usually offer theharder to configure and are my preferred option
services of an automated setup procedure orfor small wireless networks. This is not a viable
wizard to take you through the setup procedure.option unless you do have considerable technical
If you obtained a package that doesn't includeknowledge of network setup. The benefits include
setup by trained technician, then you should optthe fact that interlopers have to work quite a bit
for the wizard unless you and completely familiarharder to break into such a network.
with network setup procedures.wep protectionNevertheless , a fully secured network is probably
with hexadecimal key: These days, most routersan impossible setup to achieve.
are based on the wi fi standards and theseShared Folders: In a residential network, its unlikely
routers come with wep encryption . Your setupthat you will need to have shared folders, thus
wizard will give you the option of using wepensure that all shared folders are disconnected. In
encryption on most wifi routers. Accept thisa work environment where shared folders are
option and then invent a hexadecimal key asnecessary, a structured permissions regime will be
instructed by the wizard. In the UK, most routersrequired to secure your files and folders.
support the 64 bit hexadecimal key. This requiresUnprotected shared folders can be accessed by
you to make up a 10 digit number made up ofunwanted network interlopers who have the skills
alphabets and numbers , numbers being from 0 toto do so. The use of all the available means of
9. This key once input by you must be writtenfolder protection would discourage all but the
down because you will need to input this key inmost determined interloper. A failure to observe
every computer wishing to share that wirelesssimple security methods like this has been known
internet access. The wep encryption is essentiallyto undermine the security of many networks,
password protection for your wireless network.wired and wireless.
As long as you don't divulge your wireless key toI addition to the fairly fundamental issues already
people who shouldn't have it, your wirelessaddressed other things to bear in mind will include
network will be solidly defended against casualthe need to power cycle your router occasionally.
intruders.This means switching off the router for up to 5
Without wep protection, without any other kind ofminutes. If you find that you're unable to access
wireless encryption, your wireless network wouldthe internet while the router is operational, a
be as secure as a roadside cafe wireless hotspot,power cycle of your router will often resolve the
that is open to all computers equiped to use it.problem, it not call your technical support team.
DHCP: Most networks are configured using dhcpWireless routers are based on radio signal
servers. The Dynamic Host Configurationtechnology, so just like with TV and radio,
Protocol(DHCP) server assigns network addressesreception can be bad in places. Experiment with
to all computers using a network, and automatesyour wireless routers position till you achieve the
what would otherwise be a really complex part ofbest results possible. Your router will always install
network set up. Most wifi routers come prea signal strength indicator on your computer
configured to act as DHCP servers by default.desktop.
The router wizard will guide you through set upIn summary, wireless routers can be a great joy
and as long as you accept the default settings,to to use, and in so far as you are aware of the
your set up should go smoothly. When you set uppitfalls, they can be reasonably secure too. Enjoy.
the computers that will be used to access the