I have a home server running Debian 12 with multiple internet connections:
* eth0: My primary optic fiber connection. * pppX (0-N): USB 4G modem interfaces connected via wvdial. I use wvdial for better control and stability, though I'm open to suggestions.
A C# server I wrote manages these resources to provide a small, experimental proxy service.
How it works:
1. Client Request: A client requests a proxy. 2. Server Action: The server selects an available USB modem, and uses wvdial to establish a connection, creating a new network interface (pppX). The server then configures 3proxy to listen on a specific port and forward traffic to the newly created interface. Generates credentials, and gives the proxy data to the client.
The connection lasts for a set number of hours, then is closed and resources are released.
The Problem:
While this system works, I need to make it more robust and secure. I've considered OpenVPN, but WireGuard isn't suitable due to its UDP-only nature. I need TCP for anonymity.
The Goal:
I want to implement OpenVPN in my existing architecture. The core idea remains the same: using USB modems and wvdial. However, instead of a proxy server, we'll use an OpenVPN server.
Requirements:
1. Dynamic Configuration: The server should generate .ovpn files for each client, revoking them after the connection ends. 2. Dedicated Connections: Each client should have a dedicated connection to a specific USB modem, ensuring that traffic from different clients is not mixed. After the connection is closed and resources are released, the modem should be available for a new client. 3. Configuration Guidance: I need help with the OpenVPN configuration, including file locations, key settings, and routing rules. Consider I don't have advanced knowledge on Linux network management.
I'm not a Linux expert, but I'm eager to learn. I have clients relying on this service, so I need a quicker solution than self-learning.
How I want it to work (I'm open to suggestions of course):
1. A client requests a VPN connection, the server runs wvdial as it currently does. 2. After the interface is up and has internet access, the server must set up a new configuration to allow the current client to connect to the server and redirect their traffic to this newly created interface through a specific port. 3. Then after some hours, or when the client requests it, the server closes the connection, invalidates the .ovpn client file, and closes wvdial.
Just to clarify, wvdial, after linking the modem with the ISP (by running ppp), gives me the information of the new connection. The network details such as IPv4 addresses, interface name, etc., all the data that comes from `/etc/ppp/ip-up`, are available to use for routing or whatever is needed.
Realistic A.I. Art Generation Category: 3D Animation, AI Art Creation, AI Design, AI Development, AI Image Editing, Artificial Intelligence, Digital Art, Illustration, Maya, Visual Arts Budget: $10000 - $20000 USD
24 Jan 2026 11:03 GMT
Processing project -- 2 Category: Algorithm, Data Analysis, Data Management, Data Processing, Data Visualization, MATLAB, Matlab And Mathematica, Pandas, Python, Software Architecture Budget: €8 - €30 EUR
YouTube Page Creation for Vlogs Category: Branding, Content Creation, Digital Marketing, Graphic Design, Social Media Management, Video Editing, Video Production, YouTube Budget: ₹600 - ₹1500 INR
24 Jan 2026 10:53 GMT
Google Maps WhatsApp Marketing Automation Tool Category: API Development, Artificial Intelligence, Automation, Data Scraping, Java, Lead Generation, PHP, Python, Software Architecture, Web Development Budget: $30 - $250 USD
24 Jan 2026 10:51 GMT
Strategi Untung Perusahaan Besar Category: Account Management, B2B Marketing, Business Analysis, Business Consulting, Business Development, Market Research, Sales Management, Sales Promotion Budget: $3000 - $5000 USD
24 Jan 2026 10:49 GMT
Post-Produksi Video Edgy Category: Adobe Premiere Pro, After Effects, Animation, Color Grading, Motion Graphics, Video Editing, Video Services, Visual Effects Budget: $15 - $25 USD
24 Jan 2026 10:48 GMT
Digital Growth for Taxi App Category: Content Marketing, Content Strategy, Digital Marketing, Facebook Marketing, Instagram Marketing, Internet Marketing, Link Building, SEO, Social Media Management, Social Media Marketing Budget: ₹12500 - ₹37500 INR
24 Jan 2026 10:48 GMT
Lead Sourcing Flexible Packaging Users -- 2 Category: Data Collection, Data Entry, Data Management, Excel, Lead Generation, Leads, Market Research, Web Search Budget: ₹3000 - ₹5500 INR
24 Jan 2026 10:46 GMT
Beginner Pilot Training Mentor Category: Aerospace Engineering, Aviation, Instructional Design, Leadership Development, Performance Management, Project Management, Public Speaking, Resumes, Training Development Budget: $250 - $750 USD
24 Jan 2026 10:44 GMT
Customer Ledger & Sales Analysis Category: Business Analysis, Data Analysis, Data Entry, Data Management, Data Processing, Data Visualization, Excel, Excel Macros Budget: ₹750 - ₹1250 INR
