Firewall Protection
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Keep Those Viruses & Hackers Out!
Many companies are implementing the high-speed ADSL internet solution for faster and much
improved communication transport for their internet transactions. Since it vastly speeds up internet downloads
and uploads, it greatly assist in downloading large service packs and essential hot fixes from Microsoft
and Symantec Antivirus to update critical system processes.
However, since ADSL is an always-on technology and is less susceptible to disconnection from your Internet
provider, there is a greater chance of a hacker using various network scanning tools to detect open ports and
connections on your computer systems. A clever attacker can easily scan available open ports on your
connection and send a worm written to intrude your network and wreak havoc causing instant Denial of
Service (DOS) attacks and unnecessary downtime. Programs are being written to exploit operating system
vulnerabilities as we have seen in the Blaster Worm. Using a known operating system
exploit in Windows 2000, XP and 2003 server, this DOS attack caused severe problems last month with both
corporate and home user systems. To further demonstrate how fast an unprotected system can be attacked, if
you place any computer on the Internet without the Blaster patch, we guarantee it will be hit in less than
five minutes!
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Protect Your Investment
It is imperative that adequate protection be put in place to detect and block all suspicious activity from the
Internet. Hence, we are recommending to you a hardware-based firewall by Sonicwall to help secure your
network from threats on the Internet. As a basic firewall it inspects all packets entering the network and discards
suspicious and known threats and can be customized to your needs.
The Sonicwall reputation speaks for itself
winning many industry awards and is often recommended by security experts when implementing security
measures on local and wide area networks. We at Tropical Computers currently use this product and are
extremely excited with its features and most importantly the support we have received from Sonicwall during
our initial installation.
Should you have any questions relating to further enhancing the security of your network, please do not
hesitate to call us.
Updated on Saturday, January 30th, 2010 at 3:17 pm .