Moshik I.

-- Linux / Unix (Installation, setup, maintenance, administration) -- Apache, nginx, lighttpd, tomcat, etc -- Sendmail, Communigate, Postfix, Domino, Exchange -- MySql, Postgresql, Sybase -- Squid, sams -- Samba -- NAT, iptables, ipchains, GRE, route etc -- OpenVPN -- Script languages (bash, perl, python, ruby) -- Organization of antivirus and spam protection, including through Spamassasin -- Organization of data backup systems -- Windows Servers (server administration and domain Windows 2003/2008) -- AD -- DNS -- DHCP -- Group Policy Management -- WSH -- WSUS -- VPN -- WINS -- MS Exchange 2000/2003 -- ISA server -- Terminal server Security BackTrack, MetaSploit Framework, NMap, Nessus, OpenVAS, Xspider, Aircrack, etc