1 This module matches IPv6 extension headers and/or upper layer header.
3 .BR "--header " "[!] \fIheader\fP[,\fIheader\fP...]"
4 Matches the packet which EXACTLY includes all specified headers. The headers
5 encapsulated with ESP header are out of scope.
9 (Hop-by-Hop Options header),
11 (Destination Options header),
17 (Authentication header),
19 (Encapsulating Security Payload header),
21 (No Next header) which matches 59 in the 'Next Header field' of IPv6 header or any IPv6 extension headers, or
23 which matches any upper layer protocol header. A protocol name from /etc/protocols and numeric value also allowed. The number 255 is equivalent to
27 Matches if the packet includes all specified headers with