also have 14 servers behind a router/firewall. These servers are to be firewalled from internal as well as external hosts. Site A links to the ISP via a dedicated Serial Interface. Site A links to site B via a dedicated Serial Interface. Site B links to site C via a dedicated Serial Interface. 5 Routers with 8 100Mbps Ethernet interfaces Fa0/0 Fa0/1 Fa0/2 Fa0/3 Fa0/4 Fa0/5 Fa0/6 Fa0/7 and one serial interface Se0. 1 (and only one) Router/firewall with two 100Mbps Ethernet interfaces
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infected host, enticing the recipients to open or run them. They propagate almost instantaneously. Antiviral software cannot possibly keep up. And e-mail is everywhere. It runs over Internet connections that block everything else. It tunnels through firewalls. Everyone uses it. Melissa uses features in Microsoft Word (with variants using Excel) to automatically e-mail itself to others, and Melissa and Worm.ExploreZip make use of the automatic mail features of Microsoft Outlook. Microsoft is certainly
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implement an IP management software that runs DHCP and DNS services and have the monitoring tools on at all time to alert you to any suspicious activity coming through. Firewalls running at all times are one of the key components of keeping out hackers. I happened to find a good analogy online I would like to share. “A firewall is like a screen door to your porch. It blocks out flies, rodents and other pests but you can still walk out and use your BBQ.” (10 Important Steps to Securing Your Server
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Wired and Wireless Networks ITT Technical Institute Physical Networking – NT1310 11/10/2014 Wired and Wireless Networks The biggest difference between these two types of networks is one uses network cables and one uses radio frequencies. A wired network allows for a faster and more secure connection and can only be used for distances shorter than 2,000 feet. Several other disadvantage of a wired network such as the “need to run cables in difficult environments through walls, floors and ceilings
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Security Topics * Local Security * Physical Security * Firewall * Authentication * Encryption * Wireless Security * Viruses * Physical Security video 5.01 * Lock and control access to serves * Lock server and computer cases * Use audible alarms * Create administrative alerts * Locate servers room in high traffic area * Store backup tapes in secure area * Lock users operating system * Physically
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be to delete the router going from the firewall to the phone network. I then would separate the phones from the computers. I would put all of the phones and the phone network on VLAN 10. I moved all of the computers that were originally on VLAN 1 & 10 with the phones to VLAN 8. I would then delete the switch linking all of the servers. After that, I want to create a protected network for the application server and the accounting server from the firewall. I then would move the protected network
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Computer Virus A computer virus is a malicious piece of executable code that propagates typically by attaching itself to a host document that will generally be an executable file. ✓ Typical hosts for computer viruses are: – Executable files (such as the ‘.exe’ files in Windows machines) that may be sent around as email attachments – Boot sectors of disk partitions – Script files for system administration (such as the batch files in Windows machines, shell script files in Unix
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websites that we couldn't access from Blue Sky had to do with a change when we moved to a new network provider. We asked the provider to assign us a new public IP to prevent this from happening again. The firewall issue which DID in fact cause a network outage stemmed from an unmanaged firewall that was on site. A firmware update caused an issue that wouldn't allow access to the internet. During troubleshooting it was noted that it didn't have a subscription and hadn't had a security update since
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Riordan Security Plan CMGT/441 October 14, 2013 University of Phoenix Executive Summary: Riordan Manufacturing is a global corporation and has been performing both research and development activities and manufacturing plastics products for a number of uses since 1992. Riordan’s R&D efforts supply the company with new products to break into new markets, most recently the health care market. Riordan has grown and now has three United States locations and one location in China. Each location
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people such as employees, customers, suppliers, and contractors through the company network from remote locations, which requires data to travel from one location to another through the Internet without being protected once is out of the company’s firewall. Currently, the system administrators, which are members of the information technology (IT) group, are responsible for the security and confidentiality of proprietary information; however, the company does not
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