| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | .TP |
| 2 | [\fB!\fP] \fB\-\-source\-port\fP,\fB\-\-sport\fP \fIport\fP[\fB:\fP\fIport\fP] |
| 3 | .TP |
| 4 | [\fB!\fP] \fB\-\-destination\-port\fP,\fB\-\-dport\fP \fIport\fP[\fB:\fP\fIport\fP] |
| 5 | .TP |
| 6 | [\fB!\fP] \fB\-\-chunk\-types\fP {\fBall\fP|\fBany\fP|\fBonly\fP} \fIchunktype\fP[\fB:\fP\fIflags\fP] [...] |
| 7 | The flag letter in upper case indicates that the flag is to match if set, |
| 8 | in the lower case indicates to match if unset. |
| 9 | |
| 10 | Chunk types: DATA INIT INIT_ACK SACK HEARTBEAT HEARTBEAT_ACK ABORT SHUTDOWN SHUTDOWN_ACK ERROR COOKIE_ECHO COOKIE_ACK ECN_ECNE ECN_CWR SHUTDOWN_COMPLETE ASCONF ASCONF_ACK |
| 11 | |
| 12 | chunk type available flags |
| 13 | .br |
| 14 | DATA U B E u b e |
| 15 | .br |
| 16 | ABORT T t |
| 17 | .br |
| 18 | SHUTDOWN_COMPLETE T t |
| 19 | |
| 20 | (lowercase means flag should be "off", uppercase means "on") |
| 21 | .P |
| 22 | Examples: |
| 23 | |
| 24 | iptables \-A INPUT \-p sctp \-\-dport 80 \-j DROP |
| 25 | |
| 26 | iptables \-A INPUT \-p sctp \-\-chunk\-types any DATA,INIT \-j DROP |
| 27 | |
| 28 | iptables \-A INPUT \-p sctp \-\-chunk\-types any DATA:Be \-j ACCEPT |