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How Does a Firewall Protect
Firewalls work by controlling the information that comes in and out of the network. By using the Application Proxy service, the flow of information to the network can be controlled. A proxy is an application program that permits or forbids access by accepting or rejecting requests sent to it. Only valid users can log in and pass through a proxy service. It works on the Application level of the OSI model . Another technique that can be used is Encryption. A firewall may also combine encryption to provide confidentiality and authenticity. However this feature never works alone but is always combined with one of the above methods.
Configure the management interface address on all three switches. S1(config)#interface vlan1 S1(config-if)#ip address 172.17.10.1 255.255.255.0 S1(config-if)#no shutdown
Bens Network Ben's network is a non-blocking network. It is a different type of Clos network where initial and final stage consists of 2×2 switches (for n input and m ou
Network Control protocols ( NCP) The first ARPANET networking protocols was named simply the network control protocols in 1970,and was created by created by network
Persistent and No persistent Connections HTTP can use both persistent and non persistent connection. By defaults uses persistent connections. Persistent Connections
TCP (Transmission Control Protocol) and UDP are used by TCP/IP. SPX (Sequenced Packet Exchange) is used with IPX. NBP (Name Binding Protocol) is used with Appletalk.
In the transaction server, the client component usually consists of GUI and the server components usually having of SQL transactions against a database. These applications are know
(a) You are provided with the following: A. An RSA facility complete with public/private key pair B. A CBC (cipher block chaining) facility incorporating the IDEA block ciph
What is a Java package and how is it used? A Java package is a naming context for classes and interfaces. A package is used to make a separate name space for groups of classes
- The ISO (International Organisation for Standardisation) is an International standards organisation responsible for a wide range of standards including many that are relevant to
So how packets do determines their way across the Internet? Does each computer linked to the Internet know where the other computers are? Do packets just get 'broadcast' to every c
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