18-07-2012, 04:17 PM
send me the full seminar report on firewall. and its ppt file also.
18-07-2012, 04:17 PM
send me the full seminar report on firewall. and its ppt file also.
21-08-2012, 01:08 PM
please firewall project is sent on my mail id ananthi358[at]gmail.com
22-09-2012, 10:35 AM
firewall firewall.docx (Size: 72.68 KB / Downloads: 37) Rationale In a computer network, the hosts most vulnerable to attack are those that provide services to users outside of the local area network, such as e-mail, web and Domain Name System (DNS) servers. Because of the increased potential of these hosts being compromised, they are placed into their own sub-network in order to protect the rest of the network if an intruder were to succeed in attacking any of them. Hosts in the DMZ have limited connectivity to specific hosts in the internal network, although communication with other hosts in the DMZ and to the external network is allowed. This allows hosts in the DMZ to provide services to both the internal and external network, while an intervening firewall controls the traffic between the DMZ servers and the internal network clients. A DMZ configuration typically provides security from external attacks, but it typically has no bearing on internal attacks such as sniffing communication via a packet analyzer or spoofing such as e-mail spoofing Single firewall A single firewall with at least 3 network interfaces can be used to create a network architecture containing a DMZ. The external network is formed from the ISP to the firewall on the first network interface, the internal network is formed from the second network interface, and the DMZ is formed from the third network interface. The firewall becomes a single point of failure for the network and must be able to handle all of the traffic going to the DMZ as well as the internal network. The zones are usually marked with colors -for example, purple for LAN, green for DMZ, red for Internet (with often another color used for wireless zones). Dual firewall A more secure approach is to use two firewalls to create a DMZ. The first firewall (also called the "front-end" firewall) must be configured to allow traffic destined to the DMZ only. The second firewall (also called "back-end" firewall) allows only traffic from the DMZ to the internal network. This setup is considered more secure since two devices would need to be compromised. There is even more protection if the two firewalls are provided by two different vendors, because it makes it less likely that both devices suffer from the same security vulnerabilities. For example, accidental misconfiguration is less likely to occur the same way across the configuration interfaces of two different vendors, and a security hole found to exist in one vendor's system is less likely to occur in the other one. This architecture is, of course, more costly. The practice of using different firewalls from different vendors is sometimes described as a component of a "defense in depth" security strategy. DMZ host Some home routers refer to a DMZ host. A home router DMZ host is a host on the internal network that has all ports exposed, except those ports otherwise forwarded. By definition this is not a true DMZ (Demilitarized Zone), since it alone does not separate the host from the internal network. That is, the DMZ host is able to connect to hosts on the internal network, whereas hosts within a real DMZ are prevented from connecting with the internal network by a firewall that separates them, unless the firewall permits the connection. A firewall may allow this if a host on the internal network first requests a connection to the host within the DMZ. The DMZ host provides none of the security advantages that a subnet provides and is often used as an easy method of forwarding all ports to another firewall / NAT device.
05-11-2012, 12:25 PM
to get information about the topic "firewall" full report ppt and related topic refer the link bellow
https://seminarproject.net/Thread-firewall-full-report https://seminarproject.net/Thread-networ...nar-report https://seminarproject.net/Thread-an-int...technology https://seminarproject.net/Thread-firewa...#pid112910
13-05-2013, 03:58 AM
plz its urgent ...
BHUT JARURI HAI ISKO KL SUBMIT KRNA HAI...
31-03-2015, 08:10 PM
awesome report
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