Server Maintenance
We maintain systems with Linux and several types of BSD Unix. We have prepared uniform system of maintenance which guarantee quick response time on security patch require. We have also standardized server maintenance plan to eliminate human factor mistakes.
Email and Groupware
Greylisting and blacklisting, antispam filters (global or user-defined), antivirus, support of GroupDAV, CalDAV, iCalendar for calendars, contacts sharing, IMAPv4 (SSL), POP3(SSL), authentication for relaying, ...
Webhosting servers
Web interface for hosting maintenance (control panel), disk quotas, individual setting for each web project FTP access (STARTTLS or implicit SSL), blocation and limitation internet robots invasion, ...
Streaming servers
Systems for video/audio streaming for online broadcasting, video and audio transcoding, recording and backuping the video output from IP cameras
Firewalls and Security Gateways
Highly customized firewalls based on iptables (Linux) or pf (BSD), embedded and distributed firewalls (i.e. Shorewall), IDS and NIDS tools (intruder prevention and detection), ...
VPN servers
VPN gateways (IPSec or OpenVPN implementation) gateway-gateway or gateway-client, installation on client computers
Proxy servery and reverse proxy servers
Servers with virtualization and paravirtualization support
Virtualization on VMWARE Server or VMWARE ESXi, VirtualBox, paravirtualization on XEN, Vserver, chroot () nebo jail (BSD), ...
Database servers
Database PostgreSQL and MySQL, databases tuning
Clustering, load balancing and performance
Protocol VRRP, Heartbeat application for high-availability of services Slony for PostgreSQL database replication, web server load-balancing
Bakcup servers
Systems for remote backupof all types operating systems (Linux, BSD Unix, Mac OS, MS Windows), incremental, differential backup, possibility to set up individual retence period, ...
FileServers
Samba server with support of disk quotas, extended access rights to shairing folders, authentication against Kerberos, LDAP, AD or other database machine, travel profiles for Windows, ...
Futher NFS, AFS, FTP or sFTP
