Download Cisco Network Security Little Black Book by Joe Harris PDF

By Joe Harris

The writer truly believes that this publication will supply a extra cost?effective and timesaving capacity for getting ready and deploying Cisco security measures and companies. through the use of this reference, the reader can concentrate on the basics of the cloth, rather than spending time selecting buying a variety of pricey texts that can change into, normally, inapplicable to the specified subject material. This e-book additionally offers the intensity and insurance of the subject material in an try to keep away from gaps in security-related applied sciences which are awarded in different «single» reference books. the knowledge safety fabric during this e-book is gifted in an equipped, expert demeanour, that might be a major resource of knowledge for people new to the sector of safeguard, in addition to for training defense execs. This e-book is really a useful consultant for configuring security?related applied sciences on Cisco routers, and as such, the chapters can be learn in any order.

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The network access server determines which authentication method to use. In this case, the network access server tells the remote client to use PAP. 3. The client sends the username and password in cleartext PAP format to the network access server. 4. The network access server compares the values passed to it from the remote client against the values configured within its local database or queries a security server to accept or reject the remote client. When communication is taking place between two routers, PAP uses a two−way authentication handshake; a username/password pair is repeatedly sent by the peer to the authenticator until the authentication is acknowledged or the connection is terminated.

CSLog—CSLog is the service used to capture logging information. It gathers data from the TACACS+ or RADIUS packet and the CSAuth service and then manipulates the data to be placed into the comma−separated value (CSV) files for exporting. 54 • CSMon—CSMon is a service that provides monitoring, recording, notification, and response for both TACACS+ and RADIUS protocols. The monitoring function monitors the general health of the machine the application is running on, as well as the application and the resources that Cisco Secure ACS is using on the server.

14 display the configuration of Router A and Router B with multiple keys and passwords configured. 13: Router A configured with multiple keys and passwords. 0 ! 0 ! 14: Router B configured with multiple keys and passwords. 0 ! 0 ! 255 area 0 As a result of this configuration, Routers A and B will send duplicate copies of each OSPF packet out of their serial interfaces; one will be authenticated using key number 15, and the other will be authenticated using key number 20. After the routers each receive from each other OSPF packets authenticated with key 20, they will stop sending packets with the key number 15 and use only key number 20.

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