Firewalls For Dummies 2nd Edition phần 8 potx

... network. Internet 192.1 68. 8.1 192.1 68. 8.2 192.1 68. 1.1 23.10.10.200 ISA server 1 ISA server 2 Web server 192.1 68. 8 .80 Mail server 192.1 68. 8.25 Figure 16-14: A network with a back-to- back DMZ. 3 28 Part IV: ... editions is right for me?” Because the Enterprise Edition is considerably more expensive than the Standard Edition, examine what you may gain by using the Enterprise...

Ngày tải lên: 14/08/2014, 02:20

... Protocol Listings and More 383 IP Protocol Numbers 383 ICMP Type Numbers 384 TCP and UDP Port Listing 384 Index 393 Firewalls For Dummies, 2nd Edition xvi Chapter 14: Configuring Linux as a Firewall ... 377 www.microsoft.com/security 3 78 www.icsalabs.com 379 www.securityfocus.com 380 www.gocsi.com 380 www.isaserver.org 381 www.interhack.net/pubs/fwfaq 381 Firewall Lists 38...

Ngày tải lên: 14/08/2014, 02:20

... saves some time for the SPEED.C program — but it saves you even more time for longer, more complex programs that also use constant values. ߜ Symbolic constant is C technospeak for a constant ... change too — just like the psychic prediction or campaign promise. 12 570 684 Ch 08. qxd 3/31/04 2:52 PM Page 93 Chapter 8 Charting Unknown Cs with Variables In This Chapter ᮣ Declari...

Ngày tải lên: 12/08/2014, 09:21

... (int) 28 570 684 Ch22.qxd 3/31/04 2:59 PM Page 292 292 Part IV: C Level 27 570 684 Ch21.qxd 3/31/04 2:59 PM Page 274 274 Part IV: C Level 28 570 684 Ch22.qxd 3/31/04 2:59 PM Page 280 280 Part ... even bother trying to figure out the answer; the computer does it for you!) 28 570 684 Ch22.qxd 3/31/04 2:59 PM Page 286 286 Part IV: C Level Fixing IQ.C by using the old type-c...

Ngày tải lên: 12/08/2014, 09:22

... information in the packets. ߜ Your firewall is unable to perform NAT: Depending on the specific encryption protocol used to ensure the integrity of the data, the firewall may not be able perform ... IP address to be used for Internet connections. An example of such an application is an Internet game that may require different IP addresses for different game players. Or for logging purpo...

Ngày tải lên: 14/08/2014, 02:20

... IP addresses. If you travel for work and connect from a variety of locations, this configuration won’t work for you. ߜ Enforce authenticated SMTP for outgoing mail: Forcing all clients to authenticate ... listening for authentication or accounting requests. RADIUS authentication requests are sent to UDP port 181 2 at the RADIUS server, and RADIUS accounting information is sent to UDP...

Ngày tải lên: 14/08/2014, 02:20

... 192.1 68. 223.22 Any 192.1 68. 222.3 181 2 Allow Authenti- cation RADIUS UDP 192.1 68. 223.22 Any 192.1 68. 222.3 181 3 Allow Accounting Internal Any 192.1 68. 223. Any 192.1 68. 222. Any Allow Access 1 28/ 25 ... 23.16. 18. 17 500 Allow AH ID 51 Any 23.16. 18. 17 Allow ESP ID 50 Any 23.16. 18. 17 Allow RADIUS UDP 23.16. 18. 17 Any 192.1 68. 222.3 181 2 Allow Authenti- cation RADIUS UDP 23....

Ngày tải lên: 14/08/2014, 02:20

... UDP 23.16. 18. 17 Any 192.1 68. 222.3 181 2 Allow Authenti- cation RADIUS Accounting UDP 23.16. 18. 17 Any 192.1 68. 222.3 181 3 Allow Internal Any 23.16. 18. Any 192.1 68. 222. Any Allow Access 1 28/ 25 0/24 Deploying ... software for Windows 98, Windows Me, or Windows NT 4.0 from Microsoft’s Web site at www.microsoft.com. Internet Connection Sharing: NAT for Dummies Starting with Wi...

Ngày tải lên: 14/08/2014, 02:20

... ensure that no private information is sent to the Internet without your knowledge. For all outgoing Web, instant messaging, and e-mail traffic, the firewall scans for private information about you. ... report the excessive intrusion attempts. ߜ Performance: Of course you want performance — who doesn’t? — but this is usually not a problem for personal firewalls. With enterprise fire- wa...

Ngày tải lên: 14/08/2014, 02:20