MISSION CRITICAL! INTERNET SECURITY phần 2 pps

... same. www.syngress.com 115_MC_intsec_ 02 12/ 12/ 00 3:06 PM Page 50 115_MC_intsec_01 12/ 12/ 00 3:04 PM Page 42 62 Chapter 2 • Internetwork Security Concepts www.syngress.com Table 2. 2 Continued Vendor/ Protocols ... configures itself. www.syngress.com 115_MC_intsec_ 02 12/ 12/ 00 3:06 PM Page 72 Internetwork Security Concepts • Chapter 2 63 www.syngress.com Table 2. 2 Continue...

Ngày tải lên: 14/08/2014, 17:21

... 5.4). www.syngress.com Figure 5 .2 TCP SYN flooding attack: Step 1. Internet Station A Station B Station C 1. Figure 5.3 TCP SYN flooding attack: Step 2. Internet Station A Station B Station C 2. 115_MC_intsec_05 12/ 12/ 00 ... receive incoming faxes. www.syngress.com 115_MC_intsec_05 12/ 12/ 00 3:13 PM Page 151 1 42 Chapter 4 • Internet Security Applications Keep in mind that in a...

Ngày tải lên: 14/08/2014, 17:21

... for: static (dmz,outside) 20 7.139 .22 1.130 20 7.139 .22 1.130 >netmask 25 5 .25 5 .25 5. 128 static (dmz,outside) 20 7.139 .22 1.131 20 7.139 .22 1.131 >netmask 25 5 .25 5 .25 5. 128 filter url http 0 0 0 0 Filter ... necessary. global (inside) 1 20 7.139 .22 1.3 Set up a global pool using global IP address 20 7.139 .22 1.3 for NAPT. static (dmz,outside) 20 7.139 .22 1. 129...

Ngày tải lên: 14/08/2014, 17:21

... failures 12. 2.6. Preventing Theft 12. 2.6.4. Minimizing downtime 12. 4.1 .2. Potential for eavesdropping and data theft of backups 12. 3 .2. Protecting Backups 12. 3 .2. 4. Backup encryption of RAM chips : 12. 2.6. ... space : 25 .2. 2.7. Hidden space HOME variable attacks : 11.5.1.3. $HOME attacks identifying and quantifying 2. 2.1 .2. Identifying threats 2. 2 .2. Review Your Risks...

Ngày tải lên: 12/08/2014, 22:21

... 19 Authorization 20 Accounting 21 Network Communication in TCP/IP 21 Application Layer 23 Transport Layer 23 TCP 23 TCP Connection 25 UDP 26 Internet Layer 27 IP 27 ICMP 27 ARP 28 Network Layer 28 Security ... companies. KEY SERIAL NUMBER 001 STP692AD43 0 02 JY536842C4 003 C392K28FA7 004 BG57C87BC2 005 22 PCA94DZF 006 55ZP2ALT73 007 DUDR 527 749 008 XRDYEW42T3 00...

Ngày tải lên: 14/08/2014, 17:21

... tunneling. 1010101010101010101010101010101010101010101010101010 1010101010101010101010101010101010101010101010101010 Host 1 Host 2Firewall Firewall Internet SA #1 SA #2 115_MC_intsec_03 12/ 12/ 00 3:08 PM Page 87 124 Chapter 4 • Internet Security Applications SSL provides no protection ... providing security through encrypted channels, but they remain vulnerable to attack. www.syng...

Ngày tải lên: 14/08/2014, 17:21

... remotely. www.syngress.com 115_MC_intsec_06 12/ 12/ 00 3:16 PM Page 20 7 22 0 Chapter 6 • Microsoft RAS and VPN for Windows 20 00 2. Double-click on the Audit logon events policy in the right pane. In the Local Security Policy ... Policy. 2. Click Assign. www.syngress.com Figure 6 .28 Defining the Filter Action. Figure 6 .29 The completed NETMON to NETCLIENT Properties box. 115_MC_intse...

Ngày tải lên: 14/08/2014, 17:21

... 7.18 System Monitor. 115_MC_intsec_07 12/ 12/ 00 3:06 PM Page 28 0 115_MC_intsec_06 12/ 12/ 00 3:16 PM Page 25 2 Microsoft RAS and VPN for Windows 20 00 • Chapter 6 25 1 Q: My VPN clients cannot access ... box. 115_MC_intsec_06 12/ 12/ 00 3:16 PM Page 24 2 Securing Your Network with Microsoft Proxy Server 2. 0 • Chapter 7 28 7 Configuration Lab If possible, install Proxy Server 2. 0 fr...

Ngày tải lên: 14/08/2014, 17:21

... any 1 72. 17.0.0 0.0 .25 5 .25 5 established permit tcp any host 1 72. 17.11.19 eq smtp permit tcp 12. 0.0.0 0 .25 5 .25 5 .25 5 1 72. 22. 114.0 0.0.0 .25 5 eq 23 permit udp 1 92. 168.10.0 0.0.0 .25 5 host 1 72. 17.11.19 ... tcp any host 20 1. 12. 12. 1 eq 80 access-list 111 permit tcp any host 20 1. 12. 12. 1 eq 23 access-list 111 permit tcp any host 21 0. 12. 12. 1 eq 25 access-lis...

Ngày tải lên: 14/08/2014, 17:21

... address is 1 72. 16.0.16, and the globally assigned IP address will be 20 7.139 .22 1.40: pixfirewall(config)#static (inside,outside) 20 7.139 .22 1.40 1 72. 16.0.16 >netmask 25 5 .25 5 .25 5 .25 5 pixfirewall(config)#access-list ... itself, you would enter 10.16.1.1 with a mask of 25 5 .25 5 .25 5 .25 5. In this case, we are going to enter the network 1 92. 168.10.0 with a mask of 25 5 ....

Ngày tải lên: 14/08/2014, 17:21