1This module, when combined with connection tracking, allows access to 2the connection tracking state for this packet. 3.TP 4[\fB!\fP] \fB\-\-state\fP \fIstate\fP 5Where state is a comma separated list of the connection states to 6match. Possible states are 7.B INVALID 8meaning that the packet could not be identified for some reason which 9includes running out of memory and ICMP errors which don't correspond to any 10known connection, 11.B ESTABLISHED 12meaning that the packet is associated with a connection which has seen 13packets in both directions, 14.B NEW 15meaning that the packet has started a new connection, or otherwise 16associated with a connection which has not seen packets in both 17directions, and 18.B RELATED 19meaning that the packet is starting a new connection, but is 20associated with an existing connection, such as an FTP data transfer, 21or an ICMP error. 22.B UNTRACKED 23meaning that the packet is not tracked at all, which happens if you use 24the NOTRACK target in raw table. 25