About me
About 10+ years I work as system administrator at a company that provides IT-Services.
My knowledge and services
Clouds
- Amazon;
- Microsoft Azure;
Security
- VPN - LT2P, PPTP, Site-to-Site, SSL, OpenVPN ;
- Firewall - IPS/IDS;
- DoS/DDoS;
- Application and access control;
- Antivirus solutions;
- VAPT, Pen Testing;
Email
- Postfix, EXIM
- Exchange
- SPF, DKIM, PTR, Email Gateway, AntiSpamming;
Networking
- L2/L3 switching, VLANs, Access control, Link aggregation, high availability;
- Routing - Load balancing;
- DNS Managment
VOIP
- SIP/H323, IAX;
- Truks , Call Routing;
- VOIP Media Services;
- SIP Proxy;
Monitoring
- Nagios
- Cacti
Storage
- SAN;
- Backup solutions;
- Data Recovery;
- Gluster;
- NAS;
Technologies
- Virtualization;
- High availability;
- Cloud computing;
OS
- Windows;
- Mac;
- Linux;
Vendors
- Microsoft, RedHat, Vmware, Cisco, HP, Lenovo, Dell, Veeam, Symantec, SonicWall, Kespersky, ZyWall;