Virtual Private Networks for beginners – Advanced topics

Examine remote access vpn options, from insecure PDP to PPTA, upgrade to ipsec with ike two phases, and clientless ssl or openvpn with browser or client, plus bookmarks for access.

Explain why pptp on a router should be avoided and show enabling server, a username and password, and testing connectivity using a public ip can you see me dot org.

Configure a host-to-net L2TP/IPsec VPN with a new profile, pre-shared key, and 172.16.0.0/24, using VPN access manager and the router’s public IP, then test connectivity.

Configure a vpn server on a NAS device by installing the vpn server package, enabling ipsec vpn, and setting a unique ip range and pre-shared key.

Configure OpenVPN on a router, create a username and password, download a profile, install the OpenVPN client on a Windows 10 test PC, and connect to the VPN.

Set up OpenVPN on a virtual machine with Hyper-V to run a VPN server on Windows Server. Import a downloaded profile and connect from a client, an advanced Linux-based option.

Learn to flash a router with dd-wrt to unlock advanced vpn features. Perform recovery via emergency mode and set up openvpn with manual commands, requiring linux networking knowledge.

learn to configure a brand-new lab router from scratch to run a vpn server, compare openvpn options on a budget tp-link device, and experiment with a test network using vnc.

Configure your first vpn by setting up an openvpn server on a network device, creating test users, assigning unique client ip addresses, and verifying connections via ip checks.

OpenVPN in action explains setting up a VPN server, using certificates, and choosing between home network only or internet routing through the VPN tunnel, including IP camera access scenarios.

Discover how dynamic DNS keeps a VPN server reachable by translating domain names into IP addresses as your public IP changes, using services like No-IP.

Learn how to forward ports on a TP-Link router's virtual service to reach a behind-the-router VNC server, including 5900 and 5800, while noting the security risks and VPN alternatives.

Explore ipsec fundamentals for site-to-site and remote vpn tunnels, covering ike v1/v2, esp vs ah, transport and tunnel modes, and secure key exchange with dh groups and elliptic curves.

Explore ipsec site-to-site vpn configuration on a Cisco router, tune phase one and phase two settings, test various crypto groups, and troubleshoot policy mismatches to keep tunnels up.

Compare public and private IP addresses, explain how your router exposes a public IP for internet access while devices use private addresses on a local network, and introduce port forwarding.

Do not store passwords with simple hashes like MD5 or SHA-512; use salt and slow-by-design password storage protocols to resist dictionary attacks and rainbow tables.

Learn to use remote access tools like Team view to bypass firewalls and connect over VPN, and compare LAN options with RDP and VNC for local networks.

Install CyberGhost VPN, connect to a server, and explore free versus paid options and protocols. Observe how IP addresses change and speeds vary with server choice.

Explore SSL VPN deployment with a Cisco ASA firewall, featuring dual-factor authentication, controlled access via AnyConnect, and customizable per-portal web and VNC options.

Explore ipsec protocols, ike and esp, and phase one and two negotiations for securing site-to-site vpn deployments, with a real-world Cisco example and show crypto ipsec verification.

Identify how IP addresses uniquely identify devices on a network, compare IPv4 and IPv6, and explain subnet masks, default gateways, DHCP, and DNS name resolution.