Nettech Cloud https://validator.w3.org/feed/docs/rss2.html Secure network design Understanding Network Building Course Introduction Enterprise Network Implementation & Live Troubleshooting Home Users in VLAN 20 Cannot Access the Internet, While Other Departments Are Working Normally Social Media Applications are Blocked, Yet Some Users Can Still Access Them Some websites are working normally while others are not opening at all Split Tunnel Enabled, Yet Internet Stops Working Website Loads Partially and then freezes Internet Browsing is Extremely Slow for HQ user Remote VPN Connected but Corporate Web Apps can not be accessed Remote VPN Users Can Access some corporate Resources but not others Remote VPN Users Lose Internet Connectivity After Connecting to Corporate Network VPN Peer Reachable but Tunnel Never Establishes Production Server at HQ Site Inaccessible from Branch Office Branch to HQ Communication Failure Despite Active VPN Tunnel Branch Users Unable to Access HQ Resources Over VPN Users Unable to Access Application Through Firewall Users Can Reach Internal Resources but Cannot Access Internet Monitoring and Root cause Correlation Understanding Digital certificate and TLS Handshake Application Slowness And WAN Issues Session table and App related issues Firewalls Packet Flow Routing and Packet Path Analysis Switching and Layer 2 Segmentation TCP Header and Behavior IP Header Deep Dive OSI and Pcaket Life Cycles Introduction to Wireshark End of Phase 1 (Building Enterprise Network) Remote Access VPN configuration IPSec site to site VPN Configuration Understanding IPsec S2S and Remote Access VPN VPN Concepts Branch Firewall Configuration Adding Devices into LibreNMS WAF (FortiWEB) Protection Policy Verification and Troubleshooting Building the Application Delivery Path Understanding Load Balancer (ADC) Verification and Troubleshooting Configuring Internal Firewall (FortiGate) Verification and Troubleshooting Understanding and configuring Palo Alto firewall Understanding Routing and Configuring Internet Router Adding switch into LibreNMS and configuing SPAN Installing NTOPNG Installing LibreNMS