MISSION CRITICAL! INTERNET SECURITY phần 3 docx

... employed. www.syngress.com 115_MC_intsec_ 03 12/12/00 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. Security ... management application. 115_MC_intsec_04 12/12/00 3: 09 PM Page 134 Internet Security Applications • Chapter 4 1 13 How Does a Digital Signatu...

Ngày tải lên: 14/08/2014, 17:21

... client. ■ NT Server 4.0 with Service Pack 3 or higher installed ■ Internet Information Server 3. 0 or higher installed WARNING If you are using Internet Information Server 3. 0 with Proxy Server 2.0, be aware ... you disable all inbound and outbound traffic on your firewall to TCP and UDP ports 135 , 137 , 139 , and UDP port 138 . This will keep anyone from snooping around on your net...

Ngày tải lên: 14/08/2014, 17:21

... 27 Recovery, 4 Redundant array of disks (RAID), 4 03 reflect (keyword), 32 8, 32 9, 33 1 Reflexive access lists, 32 6 33 9 applying, 33 1 building, 32 8 33 0 example, 33 1 33 4 Regional Bell Operating Companies (RBOCs), ... 50 Telnet, 6, 23 25, 33 , 59, 296, 444 access, 37 3 permitting, 39 7 functionality, 129 Port 23, 269, 34 1 ports, 69, 31 3 protocols, 125 requests, 38 9 sess...

Ngày tải lên: 14/08/2014, 17:21

... instead of having to remember 198. 133 .219.25, you can type in www.cisco.com and get to the same page. www.syngress.com 115_MC_intsec_05 12/12/00 3: 13 PM Page 161 Internet Security Applications • Chapter ... Sensor PIX Firewall Internal Company Switch Router Internet 115_MC_intsec_05 12/12/00 3: 13 PM Page 176 Internet Security Applications • Chapter 4 1 43 passwords, it is p...

Ngày tải lên: 14/08/2014, 17:21

... data security based on the organization’s needs. 115_MC_intsec_06 12/12/00 3: 16 PM Page 231 Microsoft RAS and VPN for Windows 2000 • Chapter 6 233 These settings are configured by using the Security ... enforcement negotiated Figure 6 .32 To customize security settings for a VPN connection, select Advanced and click the Settings button. 115_MC_intsec_06 12/12/00 3: 16 PM Page 233 M...

Ngày tải lên: 14/08/2014, 17:21

... access to our router on port 30 01. You will need to specify the use of port 30 01 when attempting to access the www.syngress.com 115_MC_intsec_08 12/12/00 3: 09 PM Page 32 3 33 6 Chapter 8 • Traffic Filtering ... Access Control. Internet SMTP DNS 172.22.114.0 S0 E0 Ethernet 115_MC_intsec_08 12/12/00 3: 09 PM Page 33 6 Traffic Filtering on Cisco IOS • Chapter 8 30 7 access-list 17 den...

Ngày tải lên: 14/08/2014, 17:21

... translation for: static (dmz,outside) 207. 139 .221. 130 207. 139 .221. 130 >netmask 255.255.255.128 static (dmz,outside) 207. 139 .221. 131 207. 139 .221. 131 >netmask 255.255.255.128 filter url http ... not necessary. global (inside) 1 207. 139 .221 .3 Set up a global pool using global IP address 207. 139 .221 .3 for NAPT. static (dmz,outside) 207. 139 .221.129 207. 139 .221.129 >...

Ngày tải lên: 14/08/2014, 17:21

... 12/12/00 3: 18 PM Page 432 422 Chapter 10 • Axent Technologies Raptor Firewall 6.5 www.syngress.com Figure 10 .31 This tab details the services and rules that are using this NIC. Figure 10 .32 Interface ... is www.syngress.com 115_MC_intsec_11 12/12/00 3: 13 PM Page 444 438 Chapter 11 • Check Point Software’s Check Point FireWall-1 Introduction This chapter will focus on another software...

Ngày tải lên: 14/08/2014, 17:21