Hacking ebook security engineering a guide to building dependable distributed systems

. A Guide to Building Outdoor Stairs Building a stairway can be one of the most intimidating tasks any builder–amateur or professional–tackles. But an outdoor. Galvanized Nails Carpenter's Square 5/4" or 2" Tread Material 8d Galvanized Nails Measuring Tape 2x6 Pressure-Treated Cleat 4x4 Posts Adjustable

. viii ESTABLISHING WIRELESS ROBUST SECURITY NETWORKS: A GUIDE TO IEEE 802. 11I Executive Summary A wireless local area network (WLAN) enables access to computing. encouraged to obtain the latest available information on EAP methods and standards when planning an IEEE 802. 11 RSN implementation. Additionally, organizations

. PM Page ii Secure Intrusion Detection Systems Cisco Security Professional’s Guide to James Burton Ido Dubrawsky Vitaly Osipov C. Tate Baumrucker Michael Sweeney Technical Editor 267_cssp_ids_fm.qxd. BY Syngress Publishing, Inc. 800 Hingham Street Rockland, MA 02370 Cisco Security Professional's Guide to Secure Intrusion Detection Systems Copyright © 2003 by Syngress Publishing, Inc. All rights. 35 Frequently Asked Questions 37 Chapter 2 Cisco Intrusion Detection 39 Introduction 40 What Is Cisco Intrusion Detection? 41 Cisco s Network Sensor Platforms 42 Cisco IDS Appliances 43 4210 Sensor

. 10 9 Summary 11 3 Solutions Fast Track 11 4 Frequently Asked Questions 11 7 Chapter 4 Cisco IDS Management 11 9 Introduction 12 0 Managing the IDS Overview 12 1 Using the Cisco Secure Policy Manager 12 3 Installing. 14 The Cisco Security Wheel 15 Corporate Security Policy 16 Secure 17 Access Control 17 Encryption 18 Authentication 18 Vulnerability Patching 18 Monitor and Respond 19 Test 19 Manage and Improve 20 Threats. Questions 37 Chapter 2 Cisco Intrusion Detection 39 Introduction 40 What Is Cisco Intrusion Detection? 41 Cisco s Network Sensor Platforms 42 Cisco IDS Appliances 43 4 210 Sensor 45 4 215 Sensor 45 4230

. performance levels as follows: ■ Cisco IDS 421 0—45 Mbps ■ Cisco IDS 421 5—80 Mbps ■ Cisco IDS 423 0—100 Mbps ■ Cisco IDS 423 5 25 0 Mbps ■ Cisco IDS 425 0—500 Mbps ■ Cisco IDS 425 0 XL—1000 Mbps Each specific. Switch backplane Telnet 26 7_cssp_ids_ 02. qxd 9 /25 /03 4:40 PM Page 44 Cisco Intrusion Detection • Chapter 2 45 421 0 Sensor The Cisco 421 0 Sensor is the newest member to the 420 0 series lineup. It. Series www.syngress.com 26 7_cssp_ids_ 02. qxd 9 /25 /03 4:40 PM Page 42 Cisco Intrusion Detection • Chapter 2 43 sensors, the Cisco Catalyst 6000 IDS Modules, Cisco IDS Modules for 26 00, 3600, and 3700

. steps: 1. Open the Log on to Cisco Secure Policy Manager dialog box by maneuvering to the CSPM executable by clicking Start | Programs | Cisco Systems. Click Cisco Secure Policy Manager. 2. Use. simple steps: 1. Log in to the sensor as root. 2. Change directories to the /usr/nr/etc/ directory. 3. Open the packetd.conf file for editing. 4. Change the NameOfPacketDevice token to /dev/iprb0. 5 an hour to get back to the sysconfig-sensor www.syngress.com 267_cssp_IDS_ 03. qxd 9/25/ 03 4:42 PM Page 1 13 114 Chapter 3 • Initializing Sensor Appliances screen. Downloading images from Cisco. com

. 10 24 modulus: 16508318659201 744 98725 749 39 340 499169 340 235 348 223579155978605 241 73 807561 541 2030757209625612325 747 41188280377 148 251 146 8683235829969888 641 6 042 22 41 3298190 241 628 749 319 043 72206102 049 211727027 942 4373 248 16 849 703 548 38327952077 206073059 744 49963827501012 040 2380913 944 227362650192721 147 5878502 549 4 843 30223 68 843 72899127817 . 10 24 modulus: 16508318659201 744 98725 749 39 340 499169 340 235 348 223579155978605 241 73 807561 541 2030757209625612325 747 41188280377 148 251 146 8683235829969888 641 6 042 22 41 3298190 241 628 749 319 043 72206102 049 211727027 942 4373 248 16 849 703 548 38327952077 206073059 744 49963827501012 040 2380913 944 227362650192721 147 5878502 549 4 843 30223 68 843 72899127817 sensor(config-SshKnownHosts)# When we need to remove. time.  To verify daemons are running on the Director, type nrstatus. www.syngress.com 267_cssp_IDS_ 04. qxd 9/25/03 4: 44 PM Page 181 182 Chapter 4 • Cisco IDS Management  The command to start

. %DTP -5- TRUNKPORTON:Port 4/1 has become dot1q trunk 2003 Jun 15 07:32 :51 PDT -07:00 %PAGP -5- PORTTOSTP:Port 4/1 joined bridge port 4/1 2003 Jun 15 07:32 :51 PDT -07:00 %PAGP -5- PORTTOSTP:Port 4/2. Jun 15 07:32 :50 PDT -07:00 %SYS -5- MOD_OK:Module 4 is online 2003 Jun 15 07:32 :51 PDT -07:00 %SYS-3-MOD_PORTINTFINSYNC:Port Interface in sync for Module 4 2003 Jun 15 07:32 :51 PDT -07:00 %DTP -5- TRUNKPORTON:Port. 9/30/03 3:41 PM Page 250 Configuring the Cisco IDSM Sensor • Chapter 6 251 Domain Name : cisco Host Name : CISCO_ IDS maintenance(diag)# To either change the network settings or to configure the network

. Director.The Signature Wizard is an interim tool for version 2.2.2 Unix Director users until they upgrade to version 2.2.3, as well as Cisco Secure PM users until these options are included in Cisco. you want to create a custom signature for, follow these steps: 1. From the main screen, go to Configuration | Custom Signatures. Select the engine that your custom signature will apply to, as shown. are included in Cisco Secure PM. If you use Cisco Secure PM, you need the Signature Wizard to configure the version 3.0 features. www.syngress.com Figure 7.29 Custom Signature in IDM 267 _cssp_ids_07.qxd

. documentation): ■ The monitor port must belong to the same VLAN as the monitored ports. It is not possible to change VLAN membership on the monitor port or ports being monitored. ■ The monitor port cannot. states that ports Fa0/1 to Fa0/3 belong to the default VLAN 1, while ports Fa0/4 to Fa0/6 belong to VLAN 2. In order to configure port Fa0/1 as a monitor port, we need to put it in the configuration. packets only to their destination ports Switch IDS sensor 2 67_ cssp_ids_09.qxd 9/30/03 4: 27 PM Page 386 Capturing Network Traffic • Chapter 9 3 87 One approach is to use network taps that tend to be passive

. the configuration to the selected sensor .To start the job immediately, click the Immediate button .To schedule the job to execute at a later time, click the Scheduled radio button and select the desired. Subsystem Report The Cisco Intrusion Detection System has many subsystems.These subsystems include the Management Center, the Security Monitor, and other subsystems. The Subsystem Report shows. click Delete to delete it. Generating Configuration Files To generate a configuration file is to take a file of sensor configuration settings that is stored in the IDS Database and prepare it for deployment to

. fires on an attempt to force a Cisco router to reveal prior users command history. ■ 3602 -Cisco IOS Identity:This signature fires if someone attempts to con- nect to port 199 9 on a Cisco router.This. that are indicative of an attempt to overflow the imapd login buffer.This is an indicator of an attempt to gain unauthorized access to system resources. ■ 3530 -Cisco Secure ACS Oversized TACACS+ Attack:This. are being made to gain access to files and directories outside the root directory of the Web server. www.syngress.com 267_cssp_ids_appx.qxd 9/ 30/03 5:35 PM Page 527 528 Appendix A • Cisco IDS Sensor

. Response (TCP 101 68) 1100 1-Gnutella Client Request 1100 2-Gnutella Server Reply 1100 3-Qtella File Request 1100 4-Bearshare file request 1100 5-KaZaA GET Request 1100 6-Gnucleus file request 1100 7-Limewire. file request 1100 7-Limewire File Request 1100 8-Morpheus File Request 1100 9-Phex File Request 1101 0-Swapper File Request 1101 1-XoloX File Request 1101 2-GTK-Gnutella File Request ■ Release. RaQ Server overflow.cgi Cmd Exec 7101 -ARP Source Broadcast 7102 -ARP Reply -to- Broadcast 7104 -ARP MacAddress-Flip-Flop-Response 7105 -ARP Inbalance-of-Requests 1100 0-KaZaA v2 UDP Client Probe ■ Release

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... taking the time to plant no- tech hacking seed all those years ago And to the many friends and fans that have supported my work over the years, a final thanks.You make it very difficult to remain... obvious and to be more aware of your surroundings, his no tech hacking takes on a MacGyver approach to bypassing expensive security technology that sometimes are wholly relied upon to secure data and... didn’t have to This is the essence of no- tech hacking It requires technical knowledge to reap the full benefit of a no- tech attack, but technical knowledge is not required to repeat it Worst of all,

... Chapter 18 API Attacks Introduction API Attacks on Security Modules The XOR -To- Null-Key Attack The Attack on the 4758 Multiparty Computation, and Differential Protocol Attacks The EMV Attack API... Classifications and Clearances Information Flow Control The Standard Criticisms of Bell-LaPadula Alternative Formulations The Biba Model and Vista Historical Examples of MLS Systems SCOMP Blacker... Chosen Protocol Attacks Managing Encryption Keys Basic Key Management The Needham-Schroeder Protocol Kerberos Practical Key Management Getting Formal A Typical Smartcard Banking Protocol The BAN Logic

... Chapter 18 API Attacks Introduction API Attacks on Security Modules The XOR -To- Null-Key Attack The Attack on the 4758 Multiparty Computation, and Differential Protocol Attacks The EMV Attack API... Classifications and Clearances Information Flow Control The Standard Criticisms of Bell-LaPadula Alternative Formulations The Biba Model and Vista Historical Examples of MLS Systems SCOMP Blacker... Chosen Protocol Attacks Managing Encryption Keys Basic Key Management The Needham-Schroeder Protocol Kerberos Practical Key Management Getting Formal A Typical Smartcard Banking Protocol The BAN Logic