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Ehsan Hosseini is a Network Security Engineer with more than 13 years building and defending enterprise networks, from LAN/WAN and data centre switching through to next-generation firewalls, identity-based access control, and security monitoring.
His hands-on stack covers Cisco Nexus and IOS, Cisco ISE for network access control, F5 LTM and ASM, and FortiGate, Cisco FTD/ASA, and Juniper SRX firewalls. On the visibility side he's built Splunk SIEM deployments for real-time traffic monitoring and incident response, plus Zabbix, SolarWinds, and PRTG. He's also rolled out open-source security tooling including PrivacyIDEA (MFA) and JumpServer (PAM).
Project work includes a multi-area OSPF redesign for a national railway network and routing optimisation across a national utility backbone.
Ehsan has taught networking and security since 2020, covering CCNA, Network+, Security+, CCNP Enterprise (ENCOR and ENARSI), SCOR, SNCF, CEH, and PWK. His classes follow the same pattern every time: build the topology, break it, fix it together.
This FortiGate course is live, instructor-led, and runs over 16 weeks. You'll configure real FortiGate firewalls in unlimited lab time, and finish ready for the...
The FCP_FWB_AD-7.4 credential proves you can deploy, configure, and run FortiWeb as a web application firewall in production. Not theory. Real server policies, signature tuning,...