| Henrik Nordstrom | c279413 | 2004-01-22 15:04:24 +0000 | [diff] [blame] | 1 | This allows you to match the ECN bits of the IPv4 and TCP header. ECN is the Explicit Congestion Notification mechanism as specified in RFC3168 |
| 2 | .TP |
| Jan Engelhardt | fea74bf | 2009-01-12 04:53:18 +0100 | [diff] [blame] | 3 | [\fB!\fP] \fB\-\-ecn\-tcp\-cwr\fP |
| Henrik Nordstrom | c279413 | 2004-01-22 15:04:24 +0000 | [diff] [blame] | 4 | This matches if the TCP ECN CWR (Congestion Window Received) bit is set. |
| 5 | .TP |
| Jan Engelhardt | fea74bf | 2009-01-12 04:53:18 +0100 | [diff] [blame] | 6 | [\fB!\fP] \fB\-\-ecn\-tcp\-ece\fP |
| Henrik Nordstrom | c279413 | 2004-01-22 15:04:24 +0000 | [diff] [blame] | 7 | This matches if the TCP ECN ECE (ECN Echo) bit is set. |
| 8 | .TP |
| Jan Engelhardt | fea74bf | 2009-01-12 04:53:18 +0100 | [diff] [blame] | 9 | [\fB!\fP] \fB\-\-ecn\-ip\-ect\fP \fInum\fP |
| Henrik Nordstrom | c279413 | 2004-01-22 15:04:24 +0000 | [diff] [blame] | 10 | This matches a particular IPv4 ECT (ECN-Capable Transport). You have to specify |
| 11 | a number between `0' and `3'. |