Symlex VPN | VPN Fundamentals

VPN Ports and Protocols Made Simple: Complete Guide for 2026

Md Rashid Arif
12 月 2, 2025
17 minutes 读
VPN Fundamentals

When your VPN suddenly stops working, the culprit is usually port blocking. While most VPN users focus on server locations and encryption, the port your connection uses determines whether it succeeds or fails entirely. VPN ports are the digital doorways that allow encrypted traffic to pass through network firewalls. Port 443...

WireGuard vs OpenVPN vs IKEv2 – Complete Guide

Md Rashid Arif
11 月 27, 2025
18 minutes 读
VPN Fundamentals

TL;DR Gamers and streamers should use WireGuard 4x faster speeds (800+ Mbps) and 74% lower latency than competitors Business users and privacy advocates should use OpenVPNMaximum security with 20+ years of audits and proven firewall bypass Mobile users and travelers should use IKEv2Built-in device support and seamless network switching between WiFi/cellular...

What is PPTP? Why It’s Obsolete and Modern Alternatives (2026)

Md Rashid Arif
11 月 24, 2025
11分钟读
VPN Fundamentals

Point-to-Point Tunneling Protocol (PPTP) is an obsolete method for implementing virtual private networks that uses a TCP control channel and Generic Routing Encapsulation tunnel to encapsulate PPP packets. This networking protocol was developed by Microsoft and other technology companies in the mid-1990s to create secure remote connections over the internet....

VPN vs Proxy vs Smart DNS: Complete 2026 Comparison Guide

Md Rashid Arif
11 月 23, 2025
13 minutes 读
VPN Fundamentals

VPN vs proxy vs smart DNS are your main three options for online security. VPNs encrypt your entire internet connection for maximum security, proxies simply mask your IP address without encryption, while Smart DNS only reroutes location-detection queries to unblock streaming content at full speed. TL;DR ✅ VPN encrypts all...