| .TP |
| \fB--source-port\fR,\fB--sport \fR[\fB!\fR] \fIport\fR[\fB:\fIport\fR] |
| .TP |
| \fB--destination-port\fR,\fB--dport \fR[\fB!\fR] \fIport\fR[\fB:\fIport\fR] |
| .TP |
| \fB--chunk-types\fR [\fB!\fR] \fBall\fR|\fBany\fR|\fBonly \fIchunktype\fR[\fB:\fIflags\fR] [...] |
| The flag letter in upper case indicates that the flag is to match if set, |
| in the lower case indicates to match if unset. |
| |
| 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 |
| |
| chunk type available flags |
| .br |
| DATA U B E u b e |
| .br |
| ABORT T t |
| .br |
| SHUTDOWN_COMPLETE T t |
| |
| (lowercase means flag should be "off", uppercase means "on") |
| .P |
| Examples: |
| |
| iptables -A INPUT -p sctp --dport 80 -j DROP |
| |
| iptables -A INPUT -p sctp --chunk-types any DATA,INIT -j DROP |
| |
| iptables -A INPUT -p sctp --chunk-types any DATA:Be -j ACCEPT |
