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As a quick solution to business PC networking needs, wireless connection is here to stay. But is the simplicity of installation and setup worth the increase in security issues? This article looks at some of the risks.
Wireless LAN Topologies
The vulnerabilities of any PC network will increase in proportion to the size and nature of the network. Every access point becomes a potential security bleach.
1) Peer-To-Peer:
In a wired peer-to-peer topology each computer in the system, unless limited to only two computers or to a BNC type circle, will share indirect communications with other devices on the network.
Excluding Internet connections, a wired peer-to-peer topology is a sealed system. External invasive activity is extremely limited.
Switch now from wired to wireless, and a simple peer-to-peer PC network becomes an open invitation to external attack. Each computer in the system is now directly connected to any other in-range unit. This open accessibility instantly increases the need for additional security software and tools.
2) Access Point Connections:
PC network systems often utilize routers as a means of sharing communication between many different WLANs. Along with various other functions, routers perform critical DHCP services. By nature, routers are designed to help control security issues. Routers can be used as a link point between both wireless and wired networks.
On the other hand, an access point is merely a portal, a point of access that bridges wireless traffic onto an existing wired or wireless backbone. Though access points do share common security standards with their router counterparts, they lack the traffic control features of a router.
Access points are like plugging your laptop into a wall jack. No one really has control over who plugs in. Furthermore, the more users that jump on the line, the slower the system will function.
3) Point To Multipoint Wireless Bridge:
Bridges use multiple routers to connect LANs together. Standard wired bridging is limited in that it only allows wired clients to connect to a secondary router. Since wireless connectivity is not involved, the available security is comparable to that of a wireless peer-to-peer PC networking connection.
Wireless bridges connect LANs together without regards to distance. Though they will not work under standard bridge methodology, the necessary adaptations are few and simple. Bridge software and tools can easily extend the range or your network, either wired or wireless.
Wireless bridges have two major shortcomings: 1) Line of site and/or the primary router's umbrella will limit the effectiveness of the bridge; 2) Security risks will increase proportionately to the available wireless connections.
A Few of the Security Risks
· Wireless PC networking can be an open doorway to access point cloning, traffic interception, and monitoring
· Unless configured to require passwords, invasive users can establish new wireless connections
· Brute force attacks against password encryptions
· Open client-to-client doorways that include file sharing, service attacks, and IP address duplication
· Service jamming. Using choice software and tools, troublemakers can easily flood your pc network
PC networking is very important when trying to run a business or home office. You want to make sure that it is installed, and monitored properly.
For this reason, you want to make sure you hire a professional computer specialist [http://www.dsr-inc.com/index.html] to install your network and security. It can save you from malfunctions, and many security risks.
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