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networking

Network connectivity and port forwarding

NetworkingHow to Setup RDP via SSH Tunnel VPS Raspberry Pi

Step-by-step guide to set up RDP access to home PC (192.168.0.20:3389) through VPS proxy (200.1.1.1) using SSH tunnel on Raspberry Pi. Fix iptables, AllowTcpForwarding, GatewayPorts, and verify forwarding.

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NetworkingBest Twisted-Pair Cable Testers with TDR (under 10,000 RUB)

Budget twisted-pair cable testers under 10,000 RUB with wiremap, TDR distance readings, and clip-on RJ45 remotes. Recommended: 5Bites LY-CT010, Noyafa NF-8108.

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NetworkingFix MikroTik /25 Subnet Routing Ping Issue Between Sites

Troubleshoot MikroTik routing issue with ISP /25 subnet: can't ping between public IPs despite external access working. Enable proxy ARP, check ARP tables, routes, and firewall for MikroTik ping fixes.

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NetworkingFix 3proxy HTTPS CONNECT Timeout on Ubuntu 24.04

TCP connects but HTTPS times out? Troubleshoot 3proxy logs, firewall, outbound connections. Complete guide for Ubuntu 24.04.

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ProgrammingFix boost asio async_compose void error

Fix the 'deduced type void for err is incomplete' error with boost::asio::async_compose. Complete guide with examples and best practices.

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NetworkingFix Windows 10 LTSC 21H2 WiFi Issues After Network Switching

Solve Windows 10 LTSC 21H2 WiFi connectivity problems when switching networks. Learn driver fixes, network resets, and power management solutions without rebooting.

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ProgrammingPython urllib TimeoutError vs URLError Differences

Learn the key differences between TimeoutError and URLError exceptions in Python's urllib.request.urlopen. Understand why TimeoutError occurs after specified timeout while URLError happens closer to threshold.

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ProgrammingFix TFTP Server Dynamic XML Configuration for IP Phones

Learn how to fix TFTP server implementation in Node.js to serve dynamically generated XML configuration files for IP phones instead of logging 'file not found' errors.

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NetworkingVLESS Blocking on Russian Mobile (MTS): Why It Fails

Diagnose VLESS blocking on Russian mobile networks. Find why a VLESS tunnel works on Wi-Fi but fails on mobile, how carriers detect it, and practical fixes.

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NetworkingOpenWrt in Proxmox on Raspberry Pi 4 - Internet Access

Run OpenWrt in Proxmox on Raspberry Pi 4 and share the Pi's Wi-Fi with a LAN PC. VM import, bridge setup, NAT/masquerade, DHCP and troubleshooting tips.

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