the best damn cisco internetworking book period phần 3 pdf

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Ngày tải lên: 05/08/2014, 14:21

... ■ 49 44 56c 03. qxd 3/ 1/06 3: 04 PM Page 49 At this point you have set up the image elements you will use to calculate the RGB color components. The layers should look like they do in Figure 4. 4. ... you can take the following steps to further enhance the conversion: 74 ■ chapter 4: Separating and Combining Image Components 44 56c 04. qxd 3/ 1/06 3: 04 PM Page 74...

Ngày tải lên: 09/08/2014, 12:21

... Ports 11 02 Troubleshooting Dial Peers 11 03 Summary 11 05 Index 11 07 253_BDCisco_TOC.qxd 10 /15 /03 5:02 PM Page xliv Contents xxi BOOTP and DHCP 290 Backing Up Wireless Bridge Configurations 290 Cisco ... Troubleshooting 16 3 ISDN Connections between Cisco Routers 16 3 Monitoring the ISDN Interface 16 8 Monitoring the Dialer 17 1 Backing up Permanent Connections 17 2 Bac...

Ngày tải lên: 13/08/2014, 12:21

... Branch ! interface Ethernet0 ip address 1 92. 168.1.1 25 5 .25 5 .25 5.0 no shutdown ! interface Serial0 ip address 1 92. 168.3 .2 255 .25 5 .25 5.0 no shutdown ! router rip network 1 92. 168.3.0 network 1 92. 168.1.0 25 3_BDCisco_ 02. qxd ... 555-6790 dialer-group 2 ppp authentication pap chap ! access-list 122 permit ip any any dialer-list 2 protocol ip list 122 25 3_BDCisco_ 02....

Ngày tải lên: 13/08/2014, 12:21

... forcing www.syngress.com Figure 3. 3 Binary Phase Shift Keying 0 degrees 36 0°180° 270° 90° 2 53_ BDCisco_ 03. qxd 10/15/ 03 9:17 AM Page 199 Wireless Networking ã Chapter 3 233 An Introduction to the 802.1x Standard The current ... receiver gets the complete message, they then run the mes- sage through the same function and compare the value they generate with the value...

Ngày tải lên: 13/08/2014, 12:21

... achieved. ■ Version 4- bit field. Identifies the version of the IP (4 or 6). Makes IPv6 backward- compatible with IPv4. ■ Header Length 4- bit field. Indicates the length of the header, as the IPv4 header is ... Note in the diagram that SA* can either be the IP address of the router’s physical interface or any other IP address that the engineer has configured. www.syngress.co...

Ngày tải lên: 13/08/2014, 12:21

... 10.10.10.11 255 . 255 . 255 . 255 no ip directed-broadcast ! interface Loopback1 ip address 10.10.10.12 255 . 255 . 255 . 255 no ip directed-broadcast Router_Default(config)# ip default-network 10.0.0.0 Run the show ... address Ethernet IEEE 802.3 Null Null interface Serial Serial ip route 10.0.0.0 255 .0.0.0 192.168.1.1 ip route 192.168.1.1 255 . 255 . 255 . 255 Ethernet0 ip route 0.0.0.0...

Ngày tải lên: 13/08/2014, 12:21

... 192. 168 .0.0 192. 168 .3.1 46 1098 0 209 7018 80 i h 192. 168 . 160 .254 4 363 100 0 (64 520) 701 1 33 56 7018 80 i * 192. 168 .2 36. 0/22 192. 168 . 160 .254 1839 100 0 (64 520) 701 1 33 56 3 561 i *> 192. 168 .3.1 46 ... 3 561 i * 192. 168 .0.0 192. 168 . 160 .254 100 0 (64 520) 701 1 i *> 192. 168 .3.1 46 1098 0 209 33 56 i *> 192. 168 .225.0/24 192. 168 .3.1 46 1098 0 209...

Ngày tải lên: 13/08/2014, 12:21

... WEP Chapter 7 669 Best Damn Topics in this Chapter: 253_BDCisco_ 07. qxd 10/15/03 11: 37 AM Page 669 698 Chapter 7 ã Cisco Network Security The aaa authentication login Command The aaa authentication ... to dial their ISP, they must enter their login ID and password. If they are suc- cessfully authenticated, they will then be able to access the services for which they are au...

Ngày tải lên: 13/08/2014, 12:21

... 600 seconds www.syngress.com 253_BDCisco_07.qxd 10/15/03 11:37 AM Page 80 3 80 8 Chapter 7 ã Cisco Network Security The Objectives of the 80 2.1x Standard The IEEE 80 2.1x Working Group provides a ... in the WLAN. In the case of the 40- and 1 28- bit varieties (just as with password length), the greater the number of characters (bits), the stronger the encryption .T...

Ngày tải lên: 13/08/2014, 12:21

... cipher 123445566778 890 9 authenticator 123445566778 890 acdefacd9123445566778 890 9 www.syngress.com 253_BDCisco_08.qxd 10/14/03 12:41 PM Page 92 6 Cisco PIX Firewall ã Chapter 8 94 1 no snmp-server ... of the server to which you want the PIX to authenticate .The key is the number of the shared key used when you configured the trusted-key command .The interface is the inter...

Ngày tải lên: 13/08/2014, 12:21

... Configurations The 7500 series high-end routers support voice, video, and data .The Cisco 7500 series includes the Cisco 7505, the Cisco 7507, and the Cisco 7513 with 5, 7, and 13 slots, respectively. Cisco 7500 ... router: www.syngress.com 253_BDCisco_09.qxd 10/ 15/03 2:16 PM Page 104 0 Cisco Voice over IP ã Chapter 9 105 1 One of the fields that requires further exp...

Ngày tải lên: 13/08/2014, 12:21

... Link 514 Adding Rules 515 Rules 515 Adding Rules 515 Source 516 Destination 516 Service 516 Action 516 Track 517 Install On 517 Time 518 Comment 518 Global Properties 518 FW -1 Implied Rules 518 Viewing ... Personal Firewall 13 0 Understanding Packet Filtering Terminology 13 0 Choosing a Linux Firewall Machine 13 1 Protecting the Firewall 13 1 Deploying IP Forwardin...

Ngày tải lên: 13/08/2014, 15:21

... on www.syngress.com Figure 14.9 The Clean-Up Rule Figure 14.10 The Stealth Rule 252 _BDFW_ch14.qxd 9/18/03 5: 11 PM Page 54 5 252 _BDFW_ch13.qxd 9/18/03 5: 02 PM Page 52 8 Creating a Security Policy ã Chapter 14 53 3 NOTE Make ... is applied 252 _BDFW_ch14.qxd 9/18/03 5: 11 PM Page 53 8 Creating a Security Policy ã Chapter 14 54 5 Reading through your policy, it refers to th...

Ngày tải lên: 13/08/2014, 15:21

... If the daemon is running, you will see output similar to the following: gatekeeper[admin]# ps -auxw | grep ssh root 66 9 0.0 1.1 2 76 652 d0 S+ 6: 09PM 0:00.02 grep ssh root 65 0 0.0 2.5 404 14 76 ... Addresses 252_BDFW_ch19.qxd 9/18/03 5:34 PM Page 65 5 Conguring the Check Point Firewall ã Chapter 18 64 5 FireWall- 1 Command Line The following are some other useful FireWa...

Ngày tải lên: 13/08/2014, 15:21