libxt_sctp.man revision 27a98c71b37c8b7ecd9c72d9a275640f32973e0d 
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] [...]
7The flag letter in upper case indicates that the flag is to match if set,
8in the lower case indicates to match if unset.
9
10Chunk 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
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12chunk type            available flags      
13.br
14DATA                  U B E u b e         
15.br
16ABORT                 T t                 
17.br
18SHUTDOWN_COMPLETE     T t                 
19
20(lowercase means flag should be "off", uppercase means "on")
21.P
22Examples:
23
24iptables -A INPUT -p sctp --dport 80 -j DROP
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26iptables -A INPUT -p sctp --chunk-types any DATA,INIT -j DROP
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28iptables -A INPUT -p sctp --chunk-types any DATA:Be -j ACCEPT
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