Firewalls and Internet Security, Second Edition phần 4 pptx
Firewalls and Internet Security, Second Edition phần 4 pptx
... called rootkit. This name has expanded to refer to numerous programs to acquire and keep root access. This is an ongoing arms race, and programs such as rkdet detect and report the attempted installation ... Oracle SQL*Net, Sybase and Microsoft SQL protocols. 146 ______________ Authentication never put up with it. We point out that this authentication is very strong (spies use it...
Ngày tải lên: 14/08/2014, 18:20
Firewalls and Internet Security, Second Edition phần 1 pdf
... Threat or Menace? 73 4. 1 The Web Protocols 74 4. 2 Risks to the Clients 79 4. 3 Risks to the Server 85 4. 4 Web Servers vs. Firewalls 89 4. 5 The Web and Databases 91 4. 6 Parting Thoughts 91 ... One-Time Passwords 144 7.3 Challenge/Response One-Time Passwords ………. 145 7 .4 Lamport's One-Time Password Algorithm 146 7.5 Smart Cards 147 7.6 Biometrics 147 7.7 RADIUS 148...
Ngày tải lên: 14/08/2014, 18:20
Firewalls and Internet Security, Second Edition phần 2 ppt
... 100003 2 udp 2 049 nfs 100003 3 udp 2 049 nfs 100003 2 tcp 2 049 nfs 100003 3 tcp 2 049 nfs 1000 24 1 udp 857 status 1000 24 1 tcp 859 status 100021 1 udp 2 049 nlockmgr 100021 3 udp 2 0 49 nlockmgr ... ttdbserverd 542 328 147 1 tcp 773 391017 l tcp 738 sgi_mediad 1 342 17727 2 tcp 62722 1 342 17727 l tcp 62722 100007 2 udp 628 ypbind 1000 04 2 udp 631 ypserv 100...
Ngày tải lên: 14/08/2014, 18:20
Firewalls and Internet Security, Second Edition phần 3 ppt
... contained in a sandbox, a software j ail (six Section 8.5 and Chapter 16) to contain and limit their access to our local host and network. These sandboxes vary between browsers and implementors. ... large and has had security bugs. And programming is hard. This is one of many judgment calls where experts can disagree. 4. 4 Web Servers vs. Firewalls Suppose you have a Web se...
Ngày tải lên: 14/08/2014, 18:20
Firewalls and Internet Security, Second Edition phần 5 docx
... something like 10.2 .42 .0/ 24. Part IV Firewalls and VPNs 1 84 Kinds of Firewalls UL'ltDrt Src port dest port flags comment allow SECONDARY * OUR-DNS 53 allow our secondary nameserver ... "r" commands block * * * 513 block * * * 5 14 block * * * 515 no exlernal lpr block * * * 540 uucpd block * * * 6000-6100 no incoming X...
Ngày tải lên: 14/08/2014, 18:20
Firewalls and Internet Security, Second Edition phần 6 pdf
... connected to this firewall: the Internet, a DMZ, and the inside network. The DMZ contains hosts to offer Web and DNS service to the Internet, and to provide mail and time (NTP) transport across ... filters for FTP and SMTP access. Circuit gateways allowed modified clients to make connections to the Internet without IP connectivity between intranet and Internet were compu...
Ngày tải lên: 14/08/2014, 18:20
Firewalls and Internet Security, Second Edition phần 7 docx
... statistic based on crude TTL fingerprinting. 7,936-3 64. 171 81, 340 - 745 ,0 14, 656 0. 14% -78.57% 0.00 %-31.59% 0-176,981 0-5,867 36 .45 %-83. 84 % Administering a Secure Host 275 your machine if ... as 2 54 Network Layout 10.0.0.0/16 10.16.0.0/16 10.32.0.0/16 10 .48 .0.0/16 10. 64. 0.0/16 10. 64, 0.0/16 10.80.0.0/16 10.96.0.0/16 10.112.0.0/16 10.128.0.0/16 10.128...
Ngày tải lên: 14/08/2014, 18:20
Firewalls and Internet Security, Second Edition phần 8 docx
... typing speed and errors and the commands he used to check around and attack. He probed various computers, while consulting the network whois service for certain brands of hosts and new targets. ... and this, of course, is no accident. # cd /usr/lib # cd lbb.aa # ls -la total 29192 drwxr-xr-x 2 root 512 Nov 24 14: 57 . dtwxr-xr-x 22 root 2560 Nov 24 13 :47 -rw-r r 1 root 2...
Ngày tải lên: 14/08/2014, 18:20
Firewalls and Internet Security, Second Edition phần 9 doc
... Theory, 40 ( l):273-275. January 19 94. Cited on: 1 04, 344 . [Berners-Lee et a /., 19 94] T. Berners-Lee, L. Masinter, and M. McCahill. Uniform resource lo-cators (URL). RFC 1738. Internet ... Henderson, R. Napier, and J. Kennedy-Moffat. Cog-nitive, associative and conventional passwords: Recall and guessing rates. Computers and Security, 7(16):629- 641 . 1997. Cited o...
Ngày tải lên: 14/08/2014, 18:20
Firewalls and Internet Security, Second Edition phần 10 pot
... power attacks, 147 practical cryptanalysis, 336 protocol holes, 1 04 race, 144 replay, 149 ,3 14, 326,337 during clock skew, 144 foiled by different challenge, 148 IVs prevent,. 340 Kerberos authenticators, ... Call), 47 -52 authentication, 48 Microsoft uses, 47 procedure number, 48 program number, 48 secure, 48 DCE use of, 48 sequence number, 48 sequence number vuln...
Ngày tải lên: 14/08/2014, 18:20