libxt_TRACE.man 528 B

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  1. This target marks packets so that the kernel will log every rule which match
  2. the packets as those traverse the tables, chains, rules.
  3. .PP
  4. A logging backend, such as ip(6)t_LOG or nfnetlink_log, must be loaded for this
  5. to be visible.
  6. The packets are logged with the string prefix:
  7. "TRACE: tablename:chainname:type:rulenum " where type can be "rule" for
  8. plain rule, "return" for implicit rule at the end of a user defined chain
  9. and "policy" for the policy of the built in chains.
  10. .br
  11. It can only be used in the
  12. .BR raw
  13. table.