MISSION CRITICAL! INTERNET SECURITY phần 6 docx
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
MISSION CRITICAL! INTERNET SECURITY phần 3 docx
... 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...
Ngày tải lên: 14/08/2014, 17:21
MISSION CRITICAL! INTERNET SECURITY phần 10 docx
... 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
MISSION CRITICAL! INTERNET SECURITY phần 1 pot
... 101 Summary 102 FAQs 102 Chapter 4 Internet Security Applications 105 Introduction 1 06 Integration of Internet Security Applications 1 06 Security Concerns 107 Security Services 108 Cryptography ... Firewall? 60 Best-Selling Firewalls 61 Pros and Cons of Firewalls 64 Setting Up a Demilitarized Zone (DMZ) 64 Dead Zones and Protocol Switching 65 Implementing Port and Pa...
Ngày tải lên: 14/08/2014, 17:21
MISSION CRITICAL! INTERNET SECURITY phần 2 pps
... firewall. PC PC Switch PC PC Internet Deny source packets 165 .32.24.17 Packet Filtering Firewall Packets dropped Intruder 165 .32.24.17 115_MC_intsec_02 12/12/00 3: 06 PM Page 59 72 Chapter 2 • Internetwork Security ... TCP or UDP Port(s) HTTP TCP 80 FTP TCP 20/21 TFTP UDP 69 Telnet TCP 23 SMTP TCP 25 DNS TCP 53 POP3 TCP 110 Identd (IRC generally uses 66 67 -66 70) TCP 113 NNTP TCP...
Ngày tải lên: 14/08/2014, 17:21
MISSION CRITICAL! INTERNET SECURITY phần 4 ppsx
... 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
MISSION CRITICAL! INTERNET SECURITY phần 5 doc
... 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...
Ngày tải lên: 14/08/2014, 17:21
MISSION CRITICAL! INTERNET SECURITY phần 7 ppt
... 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
MISSION CRITICAL! INTERNET SECURITY phần 8 ppsx
... 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
MISSION CRITICAL! INTERNET SECURITY phần 9 pot
... 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