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There are times when using packet filters makes sense. If the connections require high throughput or the protocols has proprietary technology that makes it not compatibles with other firewall technologies a packet filtering firewall might be in order. Although packet filters have limitations they also have the followings advantage over other firewall technologies.
a.Compatibility packet filters do not modify the packet stream so they works with any protocols.
b.Performance packet filters are very fast since they look only at the headers.
c.Scalability since packets filters are simple it is easy to scale the solution.
NETWORK MANAGEMENT & SECURITY 1. Describe a basic communication model. 2. State the following terms: a. Configuration Management b. Fault Management c. Security Management
What is a Database Server? With a database server, the client passes SQL requests as messages to the database server. The results of every SQL command are returned over the net
What are proxy servers and how do they protect computer networks? Proxy servers primarily stop external users who identifying the IP addresses of an internal network. Without i
Virtual Private Network ( VPNs) When we use the internet or the risks to the security of our data arise. The solve the security problem a virtual private network used for
features
Control Commands: The STAT command is used as a way for the client to confirm that the server is still responding properly. The server must simply send a positive command res
Sending a message to a group multicast address is known as multicasting, and its routing algorithm is known as multicast routing.
DNS Message There are the only two kinds of DNS message DNS query and reply messages. Further mote both query and reply message have the same format as shown in figure.
State in brief about the Information Access Intranet This type of Intranet is the type commonly found on the World Wide Web. The static web page may include information on
Explain the Multipath resistance The chipping codes used for CDMA not only exhibit low cross-correlation but also low autocorrelation. Thus, a version of the signal that is del
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