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Jun 18, 2024 · Information Security

Common Types of VPN and Their Characteristics

This article explains VPN technology and outlines four common VPN types—IPSec, SSL/TLS, PPTP, and L2TP/IPSec—detailing their modes, advantages, and security considerations for remote access and site‑to‑site networking, and also compares ease of deployment versus security risks, helping readers choose the appropriate solution for their network environment.

IPSecL2TPPPTP

0 likes · 4 min read

Common Types of VPN and Their Characteristics

AI Cyberspace

May 29, 2023 · Information Security

Mastering IPSec: Deep Dive into Protocols, NAT‑Traversal, and StrongSwan Configuration

This comprehensive guide explains the IPSec security suite—including AH, ESP, and SA protocols—covers encapsulation modes, NAT‑Traversal, MTU fragmentation issues, VPN deployment scenarios, Virtual Tunnel Interfaces, and provides step‑by‑step StrongSwan configuration and testing procedures.

IPSecStrongSwanVPN

0 likes · 58 min read

Mastering IPSec: Deep Dive into Protocols, NAT‑Traversal, and StrongSwan Configuration

JD Cloud Developers

Dec 15, 2022 · Operations

Why Does My VPN Hang on MySQL SHOW DATABASES? Uncovering MTU Misconfigurations

This article explains how an improperly configured MTU in a VPN environment caused MySQL SHOW DATABASES commands to hang, details the troubleshooting steps taken, and presents three practical solutions to resolve the MTU‑related packet loss.

IPSecMTUTCP

0 likes · 8 min read

Why Does My VPN Hang on MySQL SHOW DATABASES? Uncovering MTU Misconfigurations

Practical DevOps Architecture

Jul 25, 2019 · Information Security

Configuring an IPSec VPN Between Huawei and Cisco Routers Using Virtual Tunnel Interfaces

This guide explains the security risks of transparent Internet data transmission, introduces IPSec's authentication, encryption, integrity, and anti‑replay features, and provides step‑by‑step Huawei and Cisco router configurations—including interface setup, IKE proposals, IPSec profiles, and verification commands—to securely connect branch and headquarters networks via a VPN.

CiscoHuaweiIPSec

0 likes · 13 min read

Configuring an IPSec VPN Between Huawei and Cisco Routers Using Virtual Tunnel Interfaces

Practical DevOps Architecture

Nov 21, 2018 · Information Security

Configuring an IPSec Site‑to‑Site VPN Between Headquarters and Branch NAT Devices

This guide demonstrates how to configure routers, firewalls, NAT, and IPSec policies to establish a site‑to‑site VPN between a headquarters and branch office when both use NAT devices, enabling mutual access and internet connectivity.

IPSecNATNetwork Configuration

0 likes · 11 min read

Configuring an IPSec Site‑to‑Site VPN Between Headquarters and Branch NAT Devices

UCloud Tech

Aug 16, 2017 · Cloud Computing

How to Set Up StrongSwan IPSec VPN for Hybrid Cloud Connectivity on UCloud

This guide walks you through installing StrongSwan on a CentOS client, configuring IPSec tunnels, and creating a UCloud IPSec VPN gateway to achieve secure hybrid‑cloud network connectivity using VPN.

IPSecLinuxStrongSwan

0 likes · 6 min read

How to Set Up StrongSwan IPSec VPN for Hybrid Cloud Connectivity on UCloud

ITPUB

Nov 9, 2016 · Operations

How to Resolve Synology DDNS Failures with Dual‑PPPoE and IPSec VPN on vSRX

This guide explains why Synology DSM DDNS stops working when an IPSec VPN default route is active, and provides step‑by‑step commands to add a pp0.0 nexthop and static routes for DDNS‑related subnets so the service remains reliable under both VPN and non‑VPN conditions.

DDNSIPSecPPPoE

0 likes · 6 min read

How to Resolve Synology DDNS Failures with Dual‑PPPoE and IPSec VPN on vSRX