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-rw-r--r--contrib/tcpdump/tcp.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/contrib/tcpdump/tcp.h b/contrib/tcpdump/tcp.h
index 414b481..b7eef8f 100644
--- a/contrib/tcpdump/tcp.h
+++ b/contrib/tcpdump/tcp.h
@@ -1,4 +1,4 @@
-/* @(#) $Header: /tcpdump/master/tcpdump/tcp.h,v 1.10 2002/12/11 07:14:11 guy Exp $ (LBL) */
+/* @(#) $Header: /tcpdump/master/tcpdump/tcp.h,v 1.11 2004/03/23 07:15:37 guy Exp $ (LBL) */
/*
* Copyright (c) 1982, 1986, 1993
* The Regents of the University of California. All rights reserved.
@@ -75,6 +75,10 @@ struct tcphdr {
#define TCPOPT_CC 11 /* T/TCP CC options (rfc1644) */
#define TCPOPT_CCNEW 12 /* T/TCP CC options (rfc1644) */
#define TCPOPT_CCECHO 13 /* T/TCP CC options (rfc1644) */
+#define TCPOPT_SIGNATURE 19 /* Keyed MD5 (rfc2385) */
+#define TCPOLEN_SIGNATURE 18
+
+#define TCP_SIGLEN 16 /* length of an option 19 digest */
#define TCPOPT_TSTAMP_HDR \
(TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_TIMESTAMP<<8|TCPOLEN_TIMESTAMP)
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