Internet Architecture Board The open IAB meeting was devoted to two topics: a presentation of the progress of the ISO liaison and a report on the IAB Workshop on Security in the Internet Architecture. Christian Huitema presented the progress of the liaison discussion with ISO. A dedicated mailing list, i2i@sophia.inria.fr, was established in December 93; 80 participants have joined and approximately 100 messages have been exchanged. Consensus has almost been reached on the form of the liaison: mutual recognition of standards, information on work programs, information sharing, and collaborative efforts. On this basis, ISO/IEC JTC1 has approved the establishment of a category A liaison between IETF/IAB/ISOC and the subcommittee JTC1/SC6. Other committees are supposed to follow-on later. The project of ``Memorandum of Understanding'' was presented and discussed during the meeting. The results of the IAB Workshop on Security in the Internet Architecture were presented by the leaders of the retreat's working groups: Christian Huitema, Steve Crocker and Dave Clark, who presented the reflections on authentication strategies, firewalls, and the linkage between high-level authentication and low-level identification of flows to fight denial of service attacks.