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    Copyright
    Preface
    Ch. 1. System Snapshots with Tripwire
    Ch. 2. Firewalls with iptables and ipchains
    Ch. 3. Network Access Control
    Ch. 4. Authentication Techniques and Infrastructures
    Ch. 5. Authorization Controls
    Ch. 6. Protecting Outgoing Network Connections
    Ch. 7. Protecting Files
    Ch. 8. Protecting Email
    Ch. 9. Testing and Monitoring
    Recipe 9.1. Testing Login Passwords (John the Ripper)
    Recipe 9.2. Testing Login Passwords (CrackLib)
    Recipe 9.3. Finding Accounts with No Password
    Recipe 9.4. Finding Superuser Accounts
    Recipe 9.5. Checking for Suspicious Account Use
    Recipe 9.6. Checking for Suspicious Account Use, Multiple Systems
    Recipe 9.7. Testing Your Search Path
    Recipe 9.8. Searching Filesystems Effectively
    Recipe 9.9. Finding setuid (or setgid) Programs
    Recipe 9.10. Securing Device Special Files
    Recipe 9.11. Finding Writable Files
    Recipe 9.12. Looking for Rootkits
    Recipe 9.13. Testing for Open Ports
    Recipe 9.14. Examining Local Network Activities
    Recipe 9.15. Tracing Processes
    Recipe 9.16. Observing Network Traffic
    Recipe 9.17. Observing Network Traffic (GUI)
    Recipe 9.18. Searching for Strings in Network Traffic
    Recipe 9.19. Detecting Insecure Network Protocols
    Recipe 9.20. Getting Started with Snort
    Recipe 9.21. Packet Sniffing with Snort
    Recipe 9.22. Detecting Intrusions with Snort
    Recipe 9.23. Decoding Snort Alert Messages
    Recipe 9.24. Logging with Snort
    Recipe 9.25. Partitioning Snort Logs Into Separate Files
    Recipe 9.26. Upgrading and Tuning Snort's Ruleset
    Recipe 9.27. Directing System Messages to Log Files (syslog)
    Recipe 9.28. Testing a syslog Configuration
    Recipe 9.29. Logging Remotely
    Recipe 9.30. Rotating Log Files
    Recipe 9.31. Sending Messages to the System Logger
    Recipe 9.32. Writing Log Entries via Shell Scripts
    Recipe 9.33. Writing Log Entries via Perl
    Recipe 9.34. Writing Log Entries via C
    Recipe 9.35. Combining Log Files
    Recipe 9.36. Summarizing Your Logs with logwatch
    Recipe 9.37. Defining a logwatch Filter
    Recipe 9.38. Monitoring All Executed Commands
    Recipe 9.39. Displaying All Executed Commands
    Recipe 9.40. Parsing the Process Accounting Log
    Recipe 9.41. Recovering from a Hack
    Recipe 9.42. Filing an Incident Report
    Colophon
    Index
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    Chapter 9. Testing and Monitoring > Finding Writable Files

    Recipe 9.11. Finding Writable Files

    9.11.1. Problem

    You want to locate world-writable files and directories on your machine.

    9.11.2. Solution

    To find world-writable files:


      

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