Learn multiple methods to identify which process is listening on specific TCP or UDP ports in Windows using netstat, PowerShell cmdlets, and advanced scripts for effective network troubleshooting.
Learn how to set up secure access to internal resources behind your router using WireGuard, SSH tunnels, reverse proxies, and cloud services. Complete guide for home server.
Complete guide to setting up encrypted SSH tunnel between Russia and Germany servers without root access. Bypass Roskomnadzor blocks and ensure secure traffic transmission.
Learn how to configure FreeRADIUS with linelog to capture and log the inner username from EAP-TTLS/PAP authentication requests instead of only logging the outer 'anonymous' identity. Complete guide with configuration examples.
Step-by-step guide to configuring Mikrotik firewall filter for incoming PPTP and L2TP connections. Learn how to create a bridge and resolve VPN blocking issues.
Enhanced port scanning detection algorithm in C++. Analysis of temporal patterns, TCP flags, and behavioral features for effective network traffic monitoring.
Learn how to configure App Transport Security exceptions in your iOS Info.plist to allow HTTP connections for specific domains like example.com. Complete guide with code examples.
How to properly configure routing on DFL-870 firewall between subnets. Learn the necessary firewall rules to ensure communication between local networks.
Solve WireGuard tunnel connectivity issues between Russia and Belarus. Learn to bypass traffic shaping, fix 10-second disconnects, and maintain stable VPN connections with advanced troubleshooting techniques.
Troubleshooting Wireguard tunnel issues between Russia and Belarus. Causes of traffic shaping and methods to bypass blocking. Practical setup and diagnostics.
Discover the fundamental differences between proxy and reverse proxy servers. Learn about functionality, use cases, implementation, and security considerations for both types of proxies.
Next-Generation Firewall provides effective protection against DDoS attacks at L3/L4 levels through packet filtering, state inspection, and intrusion prevention systems. Learn about Kaspersky NGFW and its capabilities.