Querying libiptc HOWTO

Leonardo Balliache

leonardo@opalsoft.net

Version 0.1 - April 30, 2002

Table of Contents

1. Legal Notice

2. Translations

3. Disclaimer

4. Credits

5. Objectives

6. What is libiptc?

7. How did I obtain this knowledge?

8. Previous knowledge and system requirements

9. Installing iptables + libiptc

10. How to create your program(s)

11. Functions to query libiptc

11.1. iptc_init

11.2. iptc_strerror

11.3. iptc_first_chain

11.4. iptc_next_chain

11.5. iptc_is_chain

11.6. iptc_builtin

11.7. iptc_first_rule

11.8. iptc_next_rule

11.9. iptc_get_target

11.10. iptc_get_policy

11.11. iptc_read_counter

12. Functions to modify firewalling rules and statistics

12.1. iptc_commit

12.2. iptc_insert_entry

12.3. iptc_replace_entry

12.4. iptc_append_entry

12.5. iptc_delete_num_entry

12.6. iptc_flush_entries

12.7. iptc_zero_entries

12.8. iptc_create_chain

12.9. iptc_delete_chain

12.10. iptc_rename_chain

12.11. iptc_set_policy

12.12. iptc_zero_counter

12.13. iptc_set_counter

13. Bandwidth meter

14. Controlling flows

15. Some interesting links

16. About the author