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Experience and practice

Here I will describe some of my professional experience, technologies I use and other information worth mentioning (somewhere).

System administration

The main part of my work is related to server support and maintenance.

  • Windows based servers
    • Active directory and group policies
    • Exchange
    • Network Policy Server
    • System Center Configuration Manager
    • Intenet Information Services
    • Hyper-V
  • Linux based servers
    • Apache, Nginx
    • Haproxy
    • MariaDB, MySQL, MongoDB, Elasticsearch
    • Postfix, Dovecot, Spamassassin
    • Samba
    • iptables traffic management

Network administration

Not a small part of my time is spent with network administration.

  • Management of network firewalls and traffic filters
  • Management of L2 and L3 switches and routers
  • Wireless transmission and local area networks
  • Access control - RADIUS, 802.1x, LDAP

IT security

  • Virtual private networks (VPN)
  • Protecting workstations, servers and services
  • Web Application Firewalls
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