Network Troubleshooting Tools

Spis treści książki

• Network Troubleshooting Tools
  • SPECIAL OFFER: Upgrade this ebook with OReilly
  • Preface
    • Audience
    • Organization
    • Conventions
    • Acknowledgments
  • 1. Network Management and Troubleshooting
    • 1.1. General Approaches to Troubleshooting
    • 1.2. Need for Troubleshooting Tools
    • 1.3. Troubleshooting and Management
      • 1.3.1. Documentation
      • 1.3.2. Management Practices
        • 1.3.2.1. Professionalism
        • 1.3.2.2. Ego management
        • 1.3.2.3. Legal and ethical considerations
        • 1.3.2.4. Economic considerations
  • 2. Host Configurations
    • 2.1. Utilities
      • 2.1.1. ps
      • 2.1.2. top
      • 2.1.3. netstat
      • 2.1.4. lsof
      • 2.1.5. ifconfig
      • 2.1.6. arp
      • 2.1.7. Scanning Tools
    • 2.2. System Configuration Files
      • 2.2.1. Basic Configuration Files
      • 2.2.2. Configuration Programs
      • 2.2.3. Kernel
      • 2.2.4. Startup Files and Scripts
      • 2.2.5. Other Files
        • 2.2.5.1. Application files
        • 2.2.5.2. Security files
        • 2.2.5.3. Log files
    • 2.3. Microsoft Windows
  • 3. Connectivity Testing
    • 3.1. Cabling
      • 3.1.1. Installing New Cabling
      • 3.1.2. Maintaining Existing Cabling
      • 3.1.3. Testing Cabling
        • 3.1.3.1. Link lights
        • 3.1.3.2. Cable testers
        • 3.1.3.3. Other cable tests
    • 3.2. Testing Adapters
    • 3.3. Software Testing with ping
      • 3.3.1. ping
      • 3.3.2. How ping Works
        • 3.3.2.1. Simple examples
        • 3.3.2.2. Interpreting results
        • 3.3.2.3. Options
        • 3.3.2.4. Using ping
      • 3.3.3. Problems with ping
        • 3.3.3.1. Security and ICMP
        • 3.3.3.2. Smurf Attacks
        • 3.3.3.3. Ping of Death
        • 3.3.3.4. Other problems
      • 3.3.4. Alternatives to ping
        • 3.3.4.1. fping
        • 3.3.4.2. echoping
        • 3.3.4.3. arping
        • 3.3.4.4. Other programs
    • 3.4. Microsoft Windows
  • 4. Path Characteristics
    • 4.1. Path Discovery with traceroute
      • 4.1.1. Options
      • 4.1.2. Complications with traceroute
    • 4.2. Path Performance
      • 4.2.1. Performance Measurements
      • 4.2.2. Bandwidth Measurements
        • 4.2.2.1. ping revisited
        • 4.2.2.2. pathchar
        • 4.2.2.3. bing
        • 4.2.2.4. Packet pair software
      • 4.2.3. Throughput Measurements
        • 4.2.3.1. ttcp
        • 4.2.3.2. netperf
        • 4.2.3.3. iperf
        • 4.2.3.4. Other related tools
      • 4.2.4. Traffic Measurements with netstat
    • 4.3. Microsoft Windows
  • 5. Packet Capture
    • 5.1. Traffic Capture Tools
    • 5.2. Access to Traffic
    • 5.3. Capturing Data
    • 5.4. tcpdump
      • 5.4.1. Using tcpdump
      • 5.4.2. tcpdump Options
        • 5.4.2.1. Controlling program behavior
        • 5.4.2.2. Controlling how information is displayed
        • 5.4.2.3. Controlling whats displayed
        • 5.4.2.4. Filtering
          • 5.4.2.4.1. Address filtering.
          • 5.4.2.4.2. Protocol and port filtering.
          • 5.4.2.4.3. Packet characteristics.
          • 5.4.2.4.4. Compound filters.
    • 5.5. Analysis Tools
      • 5.5.1. sanitize
      • 5.5.2. tcpdpriv
      • 5.5.3. tcpflow
      • 5.5.4. tcp-reduce
      • 5.5.5. tcpshow
      • 5.5.6. tcpslice
      • 5.5.7. tcptrace
      • 5.5.8. trafshow
      • 5.5.9. xplot
      • 5.5.10. Other Packet Capture Programs
    • 5.6. Packet Analyzers
      • 5.6.1. ethereal
        • 5.6.1.1. Using ethereal
        • 5.6.1.2. Display filters
    • 5.7. Dark Side of Packet Capture
      • 5.7.1. Switch Security
      • 5.7.2. Protecting Yourself
    • 5.8. Microsoft Windows
  • 6. Device Discovery and Mapping
    • 6.1. Troubleshooting Versus Management
      • 6.1.1. Characteristics of Management Software
      • 6.1.2. Discovery and Mapping Tools
      • 6.1.3. Selecting a Product
    • 6.2. Device Discovery
      • 6.2.1. IP Address Management
      • 6.2.2. nmap
      • 6.2.3. arpwatch
    • 6.3. Device Identification
      • 6.3.1. Stack Fingerprinting
      • 6.3.2. queso
      • 6.3.3. nmap Revisited
    • 6.4. Scripts
      • 6.4.1. Tcl/Tk and scotty
    • 6.5. Mapping or Diagramming
      • 6.5.1. tkined
        • 6.5.1.1. Drawing maps with tkined
        • 6.5.1.2. Autodiscovery with tkined
    • 6.6. Politics and Security
    • 6.7. Microsoft Windows
      • 6.7.1. Cyberkit
      • 6.7.2. Other Tools for Windows
  • 7. Device Monitoring with SNMP
    • 7.1. Overview of SNMP
    • 7.2. SNMP-Based Management Tools
      • 7.2.1. NET SNMP (UCD SNMP)
        • 7.2.1.1. snmpget
        • 7.2.1.2. Configuration and options
        • 7.2.1.3. snmpgetnext, snmpwalk, and snmptable
        • 7.2.1.4. snmpset
        • 7.2.1.5. snmptranslate
        • 7.2.1.6. snmpnetstat
        • 7.2.1.7. snmpstatus
        • 7.2.1.8. Agents and traps
      • 7.2.2. scotty
      • 7.2.3. tkined
        • 7.2.3.1. ICMP monitoring
        • 7.2.3.2. SNMP traps
        • 7.2.3.3. Examining MIBs
        • 7.2.3.4. Monitoring SNMP objects
        • 7.2.3.5. Other commands
        • 7.2.3.6. Caveats
    • 7.3. Non-SNMP Approaches
    • 7.4. Microsoft Windows
      • 7.4.1. Windows SNMP Setup
      • 7.4.2. SNMP Tools
      • 7.4.3. Other Options
  • 8. Performance Measurement Tools
    • 8.1. What, When, and Where
    • 8.2. Host-Monitoring Tools
    • 8.3. Point-Monitoring Tools
      • 8.3.1. ntop
        • 8.3.1.1. Interactive mode
        • 8.3.1.2. Web mode
    • 8.4. Network-Monitoring Tools
      • 8.4.1. mrtg
        • 8.4.1.1. mrtg configuration file
      • 8.4.2. rrd and the Future of mrtg
      • 8.4.3. cricket
    • 8.5. RMON
    • 8.6. Microsoft Windows
      • 8.6.1. ntop, mrtg, and cricket on Windows
      • 8.6.2. getif revisited
  • 9. Testing Connectivity Protocols
    • 9.1. Packet Injection Tools
      • 9.1.1. Custom Packets Generators
        • 9.1.1.1. hping
        • 9.1.1.2. nemesis
        • 9.1.1.3. Other tools
      • 9.1.2. Load Generators
        • 9.1.2.1. spray
        • 9.1.2.2. MGEN
    • 9.2. Network Emulators and Simulators
      • 9.2.1. NISTNet
      • 9.2.2. ns and nam
    • 9.3. Microsoft Windows
  • 10. Application-Level Tools
    • 10.1. Application-Protocols Tools
      • 10.1.1. Email
      • 10.1.2. HTTP
      • 10.1.3. FTP and TFTP
      • 10.1.4. Name Services
        • 10.1.4.1. nslookup and dig
        • 10.1.4.2. doc, dnswalk, and lamers
        • 10.1.4.3. Other tools
        • 10.1.4.4. NIS and NIS+
      • 10.1.5. Routing
      • 10.1.6. NFS
    • 10.2. Microsoft Windows
  • 11. Miscellaneous Tools
    • 11.1. Communications Tools
      • 11.1.1. Automating Documentation
      • 11.1.2. vnc
      • 11.1.3. ssh
    • 11.2. Log Files and Auditing
      • 11.2.1. syslog
        • 11.2.1.1. Configuring syslog
        • 11.2.1.2. Remote logging
      • 11.2.2. Log File Management
      • 11.2.3. Other Approaches to Logging
        • 11.2.3.1. tcpwrappers
    • 11.3. NTP
    • 11.4. Security Tools
      • 11.4.1. tripwire
    • 11.5. Microsoft Windows
  • 12. Troubleshooting Strategies
    • 12.1. Generic Troubleshooting
    • 12.2. Task-Specific Troubleshooting
      • 12.2.1. Installation Testing
        • 12.2.1.1. Firewall testing
      • 12.2.2. Performance Analysis and Monitoring
        • 12.2.2.1. General steps
        • 12.2.2.2. Bottleneck analysis
        • 12.2.2.3. Capacity planning
  • A. Software Sources
    • A.1. Installing Software
      • A.1.1. Generic Installs
      • A.1.2. Solaris Packages
      • A.1.3. Red Hat Package Manager
      • A.1.4. FreeBSD Ports
    • A.2. Generic Sources
    • A.3. Licenses
    • A.4. Sources for Tools
  • B. Resources and References
    • B.1. Sources of Information
    • B.2. References by Topic
      • B.2.1. System Management
      • B.2.2. TCP/IP
      • B.2.3. Specific Protocols
      • B.2.4. Performance
      • B.2.5. Troubleshooting
      • B.2.6. Wiring
      • B.2.7. Security
      • B.2.8. Scripting
      • B.2.9. Microsoft Windows
    • B.3. References
  • Index
  • Colophon
  • SPECIAL OFFER: Upgrade this ebook with OReilly

pokaż cały spis treści

ukryj recenzje