Homepage of Janos Mohacsi

Home page in reconstruction

Earlier work at Technical University of Budapest, Hungary

• Assistant Lecturer at Technical University of Budapest, Faculty of Electrical Engineering and Informatics, Department of Control Engineering and Information Technology  (Classes taught: computer-networks, system integration, software technology, software quality and management - including software testing, laboratory works: programming 1,2, 3, network programming) 
  
• Center of Information Technology of Technical University of Budapest: Network and system administrator (Linux, FreeBSD, Solaris, True64 Unix systems), Oracle 7 database administration and tuning, Teaching UNIX (Tru64Unix, Linux, AIX) systema and network administration, participation of the development of the curriculum of the E-business academy.
  
• Scientific management of IPv6 deployment project in Hungary

Earlier consulting engineering works for

• Telematika Rt.
• Magyar Államvasutak Rt,
• OMFB,
• Security overview of TVK Rt.
• IT Security overview of Paksi Atomerőmű Rt.

Earlier work at DANTE, Cabridge, United Kingdom

• GEANT multicast
• link
• IPv6
  • IPv6 monitoring and testing
  • IPv6 reachability and tunnel testing
  • IPv6 router testing
  • IPv6 firewalls
  • Participation in the GTPv6 working group of TF-NGN
  • IPv6 programming
  • Old IPv6 application and port database
  • IPv6 network management
  • 6NET project
  • 6NET backbone: Design and planning, Routing, DNS
  • Link
  • Initiating the GEANT IPv6 deployment

Current work at NIIF/HUNGARNET, Budapest, Hungary

• NIIF IPv6 project: project management
• NIIF CSIRT project: project management
• Participating in 6NET project
• Participating GN2 project
• Participating HBONE project
• Security officer of NIIF CA
• Participating in the NIIF Videoconference project
  
• Working in v6ops working group

Freetime activity

• contributing to FreeBSD project - mostly ports

Teaching at BUTE Budapest, Hungary

My projects

Perl modules

Hungarian FreeBSD ports files

• Magyarországi irányítószámok/ZIP codes in Hungary
• Magyarországi telefon körzetszámok/ Phone codes in Hungary

Other downloads - not my projects!- but maintained FreeBSD ports

• CyberCalendar_1.8.2.tar.gz

Presentations

• lots earlier
• IPv6 firewalls on Athens TF-NGN (15th October 2001)
• IIR IP multicast conference on London (22th January 2002)
• lots later

Some Publications

• J. Mohácsi, I. Szeberényi: Design and implementation of TCP/IP-Profibus gateway, MicroCAD'94 international conference, 1994, In Hungarian
• Mohácsi: Formal description techniques for protocol description, departmental report, BME Folyamatszabályozási Tanszék, 1995, In Hungarian
• S. Czobor, D. Dezső, J. Mohácsi, J. Harangozó: The LoToS protocol specification language, study-aid for students, BME Folyamatszabályozási Tanszék, 1995, In Hungarian
• I.Kiss, L. Katona, P. Halász, J. Mohácsi, J. Harangozó, B. Várkonyi: Computer Networks, laboratory guide, BME Folyamatszabályozási Tanszék, 1995, In Hungarian
• J. Mohácsi, I. Szeberényi: A Unixware operációs rendszer szolgáltatásai, BME Mérnöktovábbképző Intézet Workshop, 1995, In Hungarian
• J. Mohácsi, A. Schaff: Equivalence Semantics, CRIN Rapport Scientifique,CRIN 96-R-064, 1996, In English
• J. Mohácsi: Protokollok Ekvivalenciájának vizsgálata, Advances In Engineering Conference, 1996 May, BME, In Hungarian
• J. Mohácsi: Protokollok Ekvivalenciája, External session of Hungarian Academy of Science, 1996 June, BME, In Hungarian
• J. Mohácsi, J. Harangozó: Modelling System Interconnections with Equivalences, October, Dapsys'96 Conference, Miskolc, Hungary, In English
• J. Mohácsi, J. Harangozó: Using Equivalences for Modelling System Interconnections, Januar, WMC'97 Conference, Phoenix, Arizona USA, In English
• J. Mohácsi: Taxonomy of heterogeneous network interconnection, Advances In Engineering Conference, 1997 May, BME, In English
• J. Mohácsi, Sz. Szigeti, T. Máray: Az IPv6 hálózati protokoll, Networkshop'97, 1997 May, Keszthely, In Hungarian
• J.Mohácsi, Sz. Szigeti, T. Máray: Az IPv6 hálózati protokoll, Infopen magazin, 1997,Sept, In Hungarian
• J. Mohácsi, Sz. Szigeti: Testing IPv6 implementations, Networkshop'98, 1998 May, Győr, In Hungarian
• J.Mohácsi, Sz. Szigeti: Testing IPv6 implementations, TERENA Networking conference, 1998, Oct, Dresden. In English
• J. Mohácsi, Sz. Szigeti, T. Máray: IPv6 and the QoS architecture, Networkshop'99, 1999, April, Nyíregyháza, In Hungarian
• Hanák Dávid, Testing Internet protocol Security architecture in IPv6 environment, TDK dolgozat, szakmai irányitás: Mohácsi János és Szigeti Szabolcs
• Mohácsi, J.; Szigeti Sz.: TIPSTER6 kísérleti IPv6 hálózat, Networkshop'2001 konferencia, Győr, 2001.
• J.Mohácsi: „IPv6 firewalling”, TF-NGN workshop, Athens, 2001
• J. Mohácsi: GÉANT Multicast Service, IIR –conference on Multicast services, London, 2002,
• J. Mohácsi: Various reports and deliverables on 6NET FP5 EC projects, contributor, editor, since 2002-
• Mohácsi, J.; Kovács A.;: Mikor lesz IPv6 szolgáltatás?, Networkshop’2003 konferencia, Pécs, 2003.
• Mohácsi, J.; Németh E.;: Az NIIF CSIRT projekt, Networkshop’ 2003 konferencia, Pécs, 2003.
• J.Mohácsi: „NIIF IPv6 projekt: az európai és nemzetközi tapasztalatok tükrében”, Networkshop 2004, Győr, 2004
• J. Mohácsi: „IPv6 security: from point of view of firewalls”, 2004, Terena Networking Conference 2004, Rhodes, 2004

IETF work

• Best Current Practice for Filtering ICMPv6 Messages in Firewalls v0
• Best Current Practice for Filtering ICMPv6 Messages in Firewalls v1
• Recommmendations for Filtering ICMPv6 Messages in Firewalls v1
• Recommmendations for Filtering ICMPv6 Messages in Firewalls v2