MISSION CRITICAL! INTERNET SECURITY phần 6 docx

... access clients, as shown in Figure 6. 44. www.syngress.com Figure 6. 42 The RRAS properties sheet for the selected remote access server. 115_MC_intsec_ 06 12/12/00 3: 16 PM Page 244 Securing Your Network ... uses Internet Explorer as the default browser, start Internet Explorer and click on Tools | Internet Options | Connection tab, then select LAN settings to see the screens in Fig...

Ngày tải lên: 14/08/2014, 17:21

... v4 Identification v4 Protocol v4 Source Address v4, v6 Destination Address v4, v6 Payload length v6 Next Header v6 Mutable but Predictable Destination Address v4, v6 Zeroed Out Type of Service v4 Flags v4 Fragment ... 3:08 PM Page 85 108 Chapter 4 • Internet Security Applications Security Services Most security software can be discussed in terms of the general services it provides. Se...

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... 44, 55, 61 , 68 , 175 connection, 1 76 deployment, 428–429 interface, 3 56, 392 setup, 64 65 usage, 266 , 284, 364 , 371–373 Denial of Service (DoS), 6 7, 143, 160 , 183, 347 attacks, 16, 166 , 169 , 274, ... 448 module configuration, 465 – 466 installation, 457 Reports, 467 Repudiation. See Nonrepudiation Request For Comments (RFC), 21 760 , 75 791, 75 1483, 229 1847, 1 36 1883, 82...

Ngày tải lên: 14/08/2014, 17:21

... and logical security of these machines is important. Internet Information Services 5 (IIS 5), Internet Explorer 5, COM+, and SQL Server 2000 are all Kerberos-enabled. Potential Security Risks ... 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 3:13 PM Page 163...

Ngày tải lên: 14/08/2014, 17:21

... in Figure 6. 19. www.syngress.com Figure 6. 18 The Server (Request Security) Properties sheet. Figure 6. 19 The All IP Traffic Edit Rule Properties dialog box. 115_MC_intsec_ 06 12/12/00 3: 16 PM Page ... Workstation Internet Modem Dedicated Leased Line Internet Service Provider Figure 6. 35 A user can access the company network from home through a VPN. 115_MC_intsec_ 06 12/12/00...

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... follows: Router(config)# access-list 3 permit 192. 168 .10.15 0.0.0.0 access-list 3 permit 192. 168 .10. 16 0.0.0.0 access-list 3 permit 192. 168 .10.17 0.0.0.0 access-list 3 deny 192. 168 .10.0 0.0.0.0.255 access-list ... commands: access-list 3 permit 192. 168 .10.15 0.0.0.0 access-list 3 permit 192. 168 .10. 16 0.0.0.0 access-list 3 permit 192. 168 .10.17 0.0.0.0 access-list 3 deny 192. 1...

Ngày tải lên: 14/08/2014, 17:21

... LAN 172. 16. 1.0/24 Company LAN 172. 16. 2.0/24 E1 E0 PIX Packets from source 172. 16. 2.0/24 destined for 172. 16. 1.0/24 are denied on interface E0 115_MC_intsec_09 12/12/00 3:11 PM Page 384 364 Chapter ... 100-byte 0x5b8d ICMP Echoes to 172. 16. 0.39, timeout is 4 seconds: !!!!! Success rate is 100 percent (5/5) monitor>tftp tftp pix512.bin@172. 16. 0.39 Received 62 668 8 bytes PIX a...

Ngày tải lên: 14/08/2014, 17:21

... internal IP address is 172. 16. 0. 16, and the globally assigned IP address will be 207.139.221.40: pixfirewall(config)#static (inside,outside) 207.139.221.40 172. 16. 0. 16 >netmask 255.255.255.255 pixfirewall(config)#access-list ... NICs. Figure 10 .6 Set the local administration password for the Raptor Firewall. 115_MC_intsec_10 12/12/00 3:17 PM Page 4 06 412 Chapter 10 • Axent Technolog...

Ngày tải lên: 14/08/2014, 17:21