Windows
DNS Management, DHCP Management, Domain Management and IP Security, ISA Server 2000 Management, MS-Exchange 2000, IIS (Internet Information Server), Microsoft Certificate Services, FTP Server, Routing and Remote Access, Group Policy and Software Deployment, Handling Anti Virus Corporate Edition, Print Server (Print Manager Plus), Cabling and Network Management, VPN Server, Firewalls, Salive monitoring tool.
Linux
Samba as PDC and BDC, FTP Server, DNS Management, DHCP Management, NMS Management, NFS Management, Remote Access Server, Radius Server, Tomcat, Web Server (Apache), cPanel Management,
Mail Server (Postfix, Sendmail), OpenWebMail, SquirrelMail, Proxy Server (Squid), IPTables, TCP Wrappers, Tripwire, Snort.
Cisco (CCNA Certified)
Router user interfaces, components and configurations, Basics of IOS versions, naming and software backup, TCP/IP Protocol Suite and IP addressing and subnetting, Interior routing protocols—RIP, IGRP, Routing and Routed Protocols, Switching and VLAN’s configuration, Access Control Lists (ACLs), Network documentation, security and troubleshooting.
CCSP (Cisco Certified Security Professional)
Network Security Policies, Securing the Perimeter, Securing the LAN Devices, Configuring a Cisco IOS Firewall, Securing Networks with Cisco IOS IPS, Building IPSec VPNs, ACS for Windows Server, Cisco IOS Security Features, Layer 2 Security, 802.1x Port-based Authentication, VPNs Using Cisco Pre-Shared Keys, Configuring, Testing, and Verifying IPSec, VPNs Using Certification Authorities, ISAKMP and IPSec, Remote Access Using Cisco Easy VPN, Configuring Cisco Easy VPN Remote, Cisco Router and Security
Device Manager.