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3DP-MANAGER

A utility for automatically generating inbounds for the 3x-ui panel, creating unified subscriptions, managing multiple 3x-ui nodes, and configuring relay forwarding from intermediate servers to origin servers. Since version 2.0.0, the project has a graphical interface and simple user-facing settings.

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Description

The main goal of the utility is to make your traffic look less uniform. 3DP-MANAGER generates a set of connections at a configured interval with different parameters:

• protocols: vless, vmess, shadowsocks, hysteria2, trojan;
• ports: fixed 443, 8443, plus random ports from 10000-60000;
• transport: tcp, websocket, grpc, xhttp;
• SNI values are taken from the domain whitelist or set manually;
• node, relay server, port, and flag can be configured separately for each inbound.

All connections are combined into one subscription with a static URL. 3DP-MANAGER works with the 3x-ui panel through its public API and does not directly interfere with the panel internals.

The secondary goal is connection stability: the client receives several connection options and can choose any of them. One subscription can contain inbounds from different nodes, relay servers, and your own external links as custom connections.

Additionally, 3DP-MANAGER can be used in a cascading setup. The forwarding service configures subscription and traffic forwarding to the selected node.

Recommendations:

• Use HTTPS for subscriptions (domain + SSL certificate).
• Set the generation interval to at least 10 minutes; for stability, once per day (1440 minutes) is recommended.
• Configure the client to refresh more frequently, for example every hour, so it stays synchronized with the server.

Features

• Generates diverse connections for one or more subscriptions
• Creates a unified subscription with a static URL
• Manages multiple 3x-ui nodes
• Supports node authentication by login/password or token
• Automatically detects node IP, country, and flag from the panel URL
• Lets you choose node, relay server, flag, SNI, and port per inbound
• Supports a fixed port or random
• Supports custom connections: add a ready-made external link to a subscription
• Allows separate fullchain.pem and privkey.pem paths for Hysteria2 UDP
• Supports a custom domain whitelist
• Optional automatic relay forwarding setup
• Installs the Web UI over HTTP or HTTPS: Let's Encrypt, self-signed, or custom certificates

Requirements

• Ubuntu 20.04 or newer, Debian 12.11 or newer
• 3x-ui panel v2.8.4 or newer
• Root access on the server
• Docker and Docker Compose; if missing, the installer will try to install them automatically
• Domain + SSL certificate (optional)

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Installation

The 3x-ui control panel must already be installed. You can install it with: bash <(curl -Ls https://raw.githubusercontent.com/mhsanaei/3x-ui/master/install.sh)

Install the project on the server:

bash <(curl -fsSL https://raw.githubusercontent.com/denpiligrim/3dp-manager/main/install.sh)

During installation, the script will:

• check the OS, root access, Docker, and Docker Compose;
• create a 2 GB swap file if RAM is low and swap is missing;
• ask which Web UI access mode to use:
• HTTPS via Let's Encrypt;
• HTTPS with a self-signed certificate;
• HTTPS with your own certificates;
• HTTP without encryption;
• generate a random Web UI port;
• generate the administrator login and password;
• deploy the postgres, backend, and frontend containers.

After installation, the terminal will show the URL, login, and password. Change the password immediately in the 3DP-MANAGER settings.

^{Short description: runs the interactive installer, prepares the environment, and deploys the project containers.}

Update

Update to the latest version:

bash <(curl -fsSL https://raw.githubusercontent.com/denpiligrim/3dp-manager/main/update.sh)

^{Short description: pulls the latest changes, applies compatible configuration fixes, updates containers, and restarts the service.}

Removal

Remove the service completely:

bash <(curl -fsSL https://raw.githubusercontent.com/denpiligrim/3dp-manager/main/delete.sh)

^{Short description: removes containers and configuration files, restoring the system to the pre-install state.}

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First Login

The administrator login and password are printed at the end of installation. To view them again:

grep -E "ADMIN_LOGIN|ADMIN_PASSWORD" /opt/3dp-manager/docker-compose.yml | sed 's/^[ \t]*//; s/^- //'

The Web UI is available at the address shown by the installer, for example:

• https://example.com:PORT for HTTPS;
• http://SERVER_IP:PORT for HTTP.

If ufw is active, the installer opens the working inbound port ranges: 443, 8443, and 10000-60000 for TCP/UDP.

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Nodes

The Nodes section lets you connect one or more 3x-ui panels.

For each node, you specify:

• name;
• 3x-ui panel URL;
• node IP;
• flag/country;
• authentication type: password or token;
• whether this node is the main node.

After you enter the URL, the application tries to detect the node IP and country automatically. The flag is used in connection names inside the subscription so clients can distinguish servers more easily.

[!NOTE] The main node is used as the default value for subscriptions, inbounds, and relay servers.

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Subscriptions

The Subscriptions section manages static subscription URLs and inbound composition.

For each inbound, you can configure:

• connection type;
• node;
• relay server;
• flag;
• port: a concrete number from 1-65535 or random;
• SNI: a concrete domain or random;
• a ready-made external link for the custom type.

For hysteria2-udp, you can specify separate certificate and key paths:

• certificateFile, for example /root/cert/example.com/fullchain.pem;
• keyFile, for example /root/cert/example.com/privkey.pem.

If port or SNI is set to random, the value will be selected during rotation from the available range or domain whitelist.

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Install Forwarding Service

[!WARNING] The forwarding service runs on an intermediate server

The forwarding service proxies incoming ports from an intermediate server to the selected node. In the Web UI, these servers are configured in Relay servers and can be linked to a specific node.

A relay server can be added by IP or domain. If a domain is provided, the backend will try to resolve its IP automatically.

For manual forwarding installation on the intermediate server, replace IP_ADDRESS with the origin node IP:

sudo ORIGIN_IP="IP_ADDRESS" bash -c "$(curl -sSL https://raw.githubusercontent.com/denpiligrim/3dp-manager/main/forwarding_install.sh)"

^{Short description: adds forwarding rules.}

Remove Forwarding

bash <(curl -fsSL https://raw.githubusercontent.com/denpiligrim/3dp-manager/main/forwarding_delete.sh)

^{Short description: removes forwarding rules. After removal, reload the firewall with ufw reload and reboot the system with reboot for changes to take effect.}

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Collect Domains From Multi-Subscriptions

The utility extracts domains from subscriptions and builds a whitelist for the generator.

node get_domains.js

^{Short description: add a multi-subscription link to the script and run the command. The output will be a domain list. Node.js is required.}

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Notes And Current Limitations

• The shared domain list may not work with all providers, so it is recommended to prepare and use your own whitelist.

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Contributing

Contributions are welcome! Simple contributor workflow:

1. Fork the repository on GitHub.
2. Create a branch with a meaningful name, for example feature/add-README or fix/whitelist-load.
3. Make changes and add a short description in the commit.
4. Run local checks if available.
5. Push the branch to your fork and create a Pull Request to the main repository.

^{Tips: describe your changes in the PR, include the goal and test steps. If the changes are large, split them into small commits.}

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Discussion

• Telegram: @denpiligrim_web
• Issues section in this repository