| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | This module, when combined with connection tracking, allows access to |
| 2 | the connection tracking state for this packet. |
| 3 | .TP |
| 4 | [\fB!\fP] \fB\-\-state\fP \fIstate\fP |
| 5 | Where state is a comma separated list of the connection states to |
| 6 | match. Possible states are |
| 7 | .B INVALID |
| 8 | meaning that the packet could not be identified for some reason which |
| 9 | includes running out of memory and ICMP errors which don't correspond to any |
| 10 | known connection, |
| 11 | .B ESTABLISHED |
| 12 | meaning that the packet is associated with a connection which has seen |
| 13 | packets in both directions, |
| 14 | .B NEW |
| 15 | meaning that the packet has started a new connection, or otherwise |
| 16 | associated with a connection which has not seen packets in both |
| 17 | directions, and |
| 18 | .B RELATED |
| 19 | meaning that the packet is starting a new connection, but is |
| 20 | associated with an existing connection, such as an FTP data transfer, |
| 21 | or an ICMP error. |