Former member of the Automation Systems Group, Institute of Computer Engineering

General areas of interests:

• Unix System Management (Solaris, Linux, Apollo DomainOS, Security, Networkprogramming, C-, Shell-, Perl-Programming)
• Security issues (Unix, TCP/IP, operating systems in general)
• Mailsoftware (especially Sendmail, Amavis, Milter-Greylist)
• USENET News Management
• Security (Operating Systems, E-Mail, Tunneling, Public Key Systems)
• Programming Languages (C, C++, Perl, various shell script dialects, Forth, Assembler)
• Web-Design (Web-Server-Management, CGI-Programming using Shell- and Perl-Scripts)
• Embedded Systems (pSOS+, RT/Embedded Linux, 8-bit based systems (SBC) and micro controller)

Responsibility areas:

• E-mail services
  • Mail router and bastion server management
    • anti-spam measures (TU members only)
      
    • Mail-Aliases/Forwarding (@tuwien.ac.at, @student.tuwien.ac.at, @alumni.tuwien.ac.at, @it.tuwien.ac.at, @zid.tuwien.ac.at)
    • Central Spam/UCE flagging
    • Central virus protection
    • Anti-spamming/Anti-relaying
    • Virtual mail domains and mail aliases handling
    • Mail routing, forwarding/blocking
    • Other postmaster issues (abuse handling, server reachablility, mail processing)
  • Support for mailing lists (Sympa)
  • Support for upTUdate services
    • Account management (AD passwords)
    • Autoconfiguration
    • High availibility proxy
    • Basic network routing
    • Mail encryption- and signing - Secure Gateway (S/MIME, GPG, End-2-end encryption)
  • Support for student's e-mail services
  • Certificate handling
  
  
  
• TUwebsiteHosting management (formerly known as info service)
  
  • Plesk-Managed Info-Server info-pm.tuwien.ac.at
    • Wordpress hosting for TU Wien pages
  • Legacy Info-Server info.tuwien.ac.at
    • User and account management (SSH access, filesystem quotas, password)
    • Web-Content (URL setup/deletion, Links in case of emergency)
  
  
  
• Security consulting
  
  • Certificate approval (Sectigo)
  • Incident handling:
    • Phishing, scam, spam report processing
    • E-mail virus report processing
    • Account abuse and locking (upTUdate)
    • User tracking for copyright issues, abuse and attack handling
  • Consulting for e-mail-based services
  
  
  
• Consulting and small administrative duties
  for
  • Ticketsystem Assyst e-mail processing and filtering, mailrouting, HA-proxy
  • Repostitory management (TU.it wide)
  • TISS mass mail sending environment (special orders)
  • Mailrouting <-> TISS Synchronisation
  • TUcard reader/writer server environment, account approval
  • TUchat administration and HA-proxy environment
  • KMS HA-proxy and access environment
  
  
  

Current Projects:

• Outgoing Mailrelay renewal.
  
  
• Incoming Mailrelay renewal.
  
  
• Software maintainance and development participation:
  • SRS socketmap daemon (Perl)
  • Miltrassassin sendmail milter
  • Milter-Greylist sendmail milter
  
  
  

Old Projects:

• Maintaining the WWW based interface for Department Courses and Examination Registration Software Package. (german only)
  This system has been developed in cooperation with the ICT Department (H. Pangratz) which provides the "Kartei" package and the former maintainer of the Web interface, the Institut für Technische Informatik, VLSIE-Entwurf Abteilung.
  See also the support area (german).