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Andreasson Oskar

Книга "Iptables Tutorial 1.2.2"

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  1. Iptables Tutorial 1.2.2
    1. Dedications
    2. About the author
    3. How to read
    4. Prerequisites
    5. Conventions used in this document
    6. Chapter 1. Introduction
      1. Why this document was written
      2. How it was written
      3. Terms used in this document
      4. What's next?
    7. Chapter 2. TCP/IP repetition
      1. TCP/IP Layers
      2. IP characteristics
      3. IP headers
      4. TCP characteristics
      5. TCP headers
      6. UDP characteristics
      7. UDP headers
      8. ICMP characteristics
      9. ICMP headers
        1. ICMP Echo Request/Reply
        2. ICMP Destination Unreachable
        3. Source Quench
        4. Redirect
        5. TTL equals 0
        6. Parameter problem
        7. Timestamp request/reply
        8. Information request/reply
      10. SCTP Characteristics
        1. Initialization and association
        2. Data sending and control session
        3. Shutdown and abort
      11. SCTP Headers
        1. SCTP Generic header format
        2. SCTP Common and generic headers
        3. SCTP ABORT chunk
        4. SCTP COOKIE ACK chunk
        5. SCTP COOKIE ECHO chunk
        6. SCTP DATA chunk
        7. SCTP ERROR chunk
        8. SCTP HEARTBEAT chunk
        9. SCTP HEARTBEAT ACK chunk
        10. SCTP INIT chunk
        11. SCTP INIT ACK chunk
        12. SCTP SACK chunk
        13. SCTP SHUTDOWN chunk
        14. SCTP SHUTDOWN ACK chunk
        15. SCTP SHUTDOWN COMPLETE chunk
      12. TCP/IP destination driven routing
      13. What's next?
    8. Chapter 3. IP filtering introduction
      1. What is an IP filter
      2. IP filtering terms and expressions
      3. How to plan an IP filter
      4. What's next?
    9. Chapter 4. Network Address Translation Introduction
      1. What NAT is used for and basic terms and expressions
      2. Caveats using NAT
      3. Example NAT machine in theory
        1. What is needed to build a NAT machine
        2. Placement of NAT machines
        3. How to place proxies
        4. The final stage of our NAT machine
      4. What's next?
    10. Chapter 5. Preparations
      1. Where to get iptables
      2. Kernel setup
      3. User-land setup
        1. Compiling the user-land applications
        2. Installation on Red Hat 7.1
      4. What's next?
    11. Chapter 6. Traversing of tables and chains
      1. General
      2. Mangle table
      3. Nat table
      4. Raw table
      5. Filter table
      6. User specified chains
      7. What's next?
    12. Chapter 7. The state machine
      1. Introduction
      2. The conntrack entries
      3. User-land states
      4. TCP connections
      5. UDP connections
      6. ICMP connections
      7. Default connections
      8. Untracked connections and the raw table
      9. Complex protocols and connection tracking
      10. What's next?
    13. Chapter 8. Saving and restoring large rule-sets
      1. Speed considerations
      2. Drawbacks with restore
      3. iptables-save
      4. iptables-restore
      5. What's next?
    14. Chapter 9. How a rule is built
      1. Basics of the iptables command
      2. Tables
      3. Commands
      4. What's next?
    15. Chapter 10. Iptables matches
      1. Generic matches
      2. Implicit matches
        1. TCP matches
        2. UDP matches
        3. ICMP matches
        4. SCTP matches
      3. Explicit matches
        1. Addrtype match
        2. AH/ESP match
        3. Comment match
        4. Connmark match
        5. Conntrack match
        6. Dscp match
        7. Ecn match
        8. Hashlimit match
        9. Helper match
        10. IP range match
        11. Length match
        12. Limit match
        13. Mac match
        14. Mark match
        15. Multiport match
        16. Owner match
        17. Packet type match
        18. Realm match
        19. Recent match
        20. State match
        21. Tcpmss match
        22. Tos match
        23. Ttl match
        24. Unclean match
      4. What's next?
    16. Chapter 11. Iptables targets and jumps
      1. ACCEPT target
      2. CLASSIFY target
      3. CLUSTERIP target
      4. CONNMARK target
      5. CONNSECMARK target
      6. DNAT target
      7. DROP target
      8. DSCP target
      9. ECN target
      10. LOG target options
      11. MARK target
      12. MASQUERADE target
      13. MIRROR target
      14. NETMAP target
      15. NFQUEUE target
      16. NOTRACK target
      17. QUEUE target
      18. REDIRECT target
      19. REJECT target
      20. RETURN target
      21. SAME target
      22. SECMARK target
      23. SNAT target
      24. TCPMSS target
      25. TOS target
      26. TTL target
      27. ULOG target
      28. What's next?
    17. Chapter 12. Debugging your scripts
      1. Debugging, a necessity
      2. Bash debugging tips
      3. System tools used for debugging
      4. Iptables debugging
      5. Other debugging tools
        1. Nmap
        2. Nessus
      6. What's next?
    18. Chapter 13. rc.firewall file
      1. example rc.firewall
      2. explanation of rc.firewall
        1. Configuration options
        2. Initial loading of extra modules
        3. proc set up
        4. Displacement of rules to different chains
        5. Setting up default policies
        6. Setting up user specified chains in the filter table
        7. INPUT chain
        8. FORWARD chain
        9. OUTPUT chain
        10. PREROUTING chain of the nat table
        11. Starting SNAT and the POSTROUTING chain
      3. What's next?
    19. Chapter 14. Example scripts
      1. rc.firewall.txt script structure
        1. The structure
      2. rc.firewall.txt
      3. rc.DMZ.firewall.txt
      4. rc.DHCP.firewall.txt
      5. rc.UTIN.firewall.txt
      6. rc.test-iptables.txt
      7. rc.flush-iptables.txt
      8. Limit-match.txt
      9. Pid-owner.txt
      10. Recent-match.txt
      11. Sid-owner.txt
      12. Ttl-inc.txt
      13. Iptables-save ruleset
      14. What's next?
    20. Chapter 15. Graphical User Interfaces for Iptables/netfilter
      1. fwbuilder
      2. Turtle Firewall Project
      3. Integrated Secure Communications System
      4. IPMenu
      5. Easy Firewall Generator
      6. What's next?
    21. Chapter 16. Commercial products based on Linux, iptables and netfilter
      1. Ingate Firewall 1200
      2. What's next?
    22. Appendix A. Detailed explanations of special commands
      1. Listing your active rule-set
      2. Updating and flushing your tables
    23. Appendix B. Common problems and questions
      1. Problems loading modules
      2. State NEW packets but no SYN bit set
      3. SYN/ACK and NEW packets
      4. Internet Service Providers who use assigned IP addresses
      5. Letting DHCP requests through iptables
      6. mIRC DCC problems
    24. Appendix C. ICMP types
    25. Appendix D. TCP options
    26. Appendix E. Other resources and links
    27. Appendix F. Acknowledgments
    28. Appendix G. History
    29. Appendix H. GNU Free Documentation License
      1. 0. PREAMBLE
      2. 1. APPLICABILITY AND DEFINITIONS
      3. 2. VERBATIM COPYING
      4. 3. COPYING IN QUANTITY
      5. 4. MODIFICATIONS
      6. 5. COMBINING DOCUMENTS
      7. 6. COLLECTIONS OF DOCUMENTS
      8. 7. AGGREGATION WITH INDEPENDENT WORKS
      9. 8. TRANSLATION
      10. 9. TERMINATION
      11. 10. FUTURE REVISIONS OF THIS LICENSE
      12. How to use this License for your documents
    30. Appendix I. GNU General Public License
      1. 0. Preamble
      2. 1. TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
      3. 2. How to Apply These Terms to Your New Programs
    31. Appendix J. Example scripts code-base
      1. Example rc.firewall script
      2. Example rc.DMZ.firewall script
      3. Example rc.UTIN.firewall script
      4. Example rc.DHCP.firewall script
      5. Example rc.flush-iptables script
      6. Example rc.test-iptables script
    32. Index
      1. Symbols
      2. A
      3. B
      4. C
      5. D
      6. E
      7. F
      8. G
      9. H
      10. I
      11. J
      12. K
      13. L
      14. M
      15. N
      16. O
      17. P
      18. Q
      19. R
      20. S
      21. T
      22. U
      23. V
      24. W
      25. X