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diff --git a/htp/htp_connection_private.h b/htp/htp_connection_private.h
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+/***************************************************************************
+ * Copyright (c) 2009-2010 Open Information Security Foundation
+ * Copyright (c) 2010-2013 Qualys, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+
+ * - Neither the name of the Qualys, Inc. nor the names of its
+ *   contributors may be used to endorse or promote products derived from
+ *   this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ ***************************************************************************/
+
+/**
+ * @file
+ * @author Ivan Ristic <ivanr@webkreator.com>
+ */
+
+#ifndef HTP_CONNECTION_H
+#define	HTP_CONNECTION_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+/**
+ * Creates a new connection structure.
+ * 
+ * @return A new connection structure on success, NULL on memory allocation failure.
+ */
+htp_conn_t *htp_conn_create(void);
+
+/**
+ * Closes the connection.
+ *
+ * @param[in] conn
+ * @param[in] timestamp
+ */
+void htp_conn_close(htp_conn_t *conn, const htp_time_t *timestamp);
+
+/**
+ * Destroys a connection, as well as all the transactions it contains. It is
+ * not possible to destroy a connection structure yet leave any of its
+ * transactions intact. This is because transactions need its connection and
+ * connection structures hold little data anyway. The opposite is true, though
+ * it is possible to delete a transaction but leave its connection alive.
+ *
+ * @param[in] conn
+ */
+void htp_conn_destroy(htp_conn_t *conn);
+
+/**
+ * Opens a connection. This function will essentially only store the provided data
+ * for future reference. The timestamp parameter is optional.
+ * 
+ * @param[in] conn
+ * @param[in] remote_addr
+ * @param[in] remote_port
+ * @param[in] local_addr
+ * @param[in] local_port
+ * @param[in] timestamp
+ * @return
+ */
+htp_status_t htp_conn_open(htp_conn_t *conn, const char *remote_addr, int remote_port,
+    const char *local_addr, int local_port, const htp_time_t *timestamp);
+
+/**
+ * Removes the given transaction structure, which makes it possible to
+ * safely destroy it. It is safe to destroy transactions in this way
+ * because the index of the transactions (in a connection) is preserved.
+ *
+ * @param[in] conn
+ * @param[in] tx
+ * @return HTP_OK if transaction was removed (replaced with NULL) or HTP_ERROR if it wasn't found.
+ */
+htp_status_t htp_conn_remove_tx(htp_conn_t *conn, const htp_tx_t *tx);
+
+/**
+ * Keeps track of inbound packets and data.
+ *
+ * @param[in] conn
+ * @param[in] len
+ * @param[in] timestamp
+ */
+void htp_conn_track_inbound_data(htp_conn_t *conn, size_t len, const htp_time_t *timestamp);
+
+/**
+ * Keeps track of outbound packets and data.
+ * 
+ * @param[in] conn
+ * @param[in] len
+ * @param[in] timestamp
+ */
+void htp_conn_track_outbound_data(htp_conn_t *conn, size_t len, const htp_time_t *timestamp);
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif	/* HTP_CONNECTION_H */
+