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+ Information about ports required for i2p (inbound and outbound) + i2prouter (java) works with Bitcoin Core, so previous note is incorrect. Changed it with relevant information.
39 lines
2.0 KiB
Markdown
39 lines
2.0 KiB
Markdown
# Chapter 15: Using i2p
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The Invisible Internet Project (I2P) is a fully encrypted private network layer. It uses a distributed [network database](https://geti2p.net/en/docs/how/network-database) and encrypted unidirectional tunnels between your and your peers.
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Basic differences between Tor and i2p:
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| | Tor | i2p |
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| :--- | :---: | ---: |
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| Routing | [Onion](https://www.onion-router.net/) | [Garlic](https://geti2p.net/en/docs/how/garlic-routing) |
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| Network Database | Trusted [Directory Servers](https://blog.torproject.org/possible-upcoming-attempts-disable-tor-network) | [Distributed network database](https://geti2p.net/en/docs/how/network-database) |
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| Relay | **Two-way** encrypted connections between each Relay | **One-way** connections between every server in its tunnels |
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| Hidden services | Slow | Fast |
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Comparison in detail: https://geti2p.net/en/comparison/tor
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Ports required by i2p:
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1. Outbound (Internet facing): a random port between 9000 and 31000 is selected however its better if all ports are open and it doesn't affect your security. You can check firewall status using `sudo ufw status verbose` which shouldn't deny outgoing by default.
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2. Inbound (Internet facing): Optional
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Local ports: https://geti2p.net/en/faq#ports
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It is not installed by [Bitcoin Standup](https://github.com/BlockchainCommons/Bitcoin-Standup-Scripts) right now as i2p support was recently added in Bitcoin core. However, you can try it manually by following the steps mentioned in [Section One](15_1_i2p_service.md).
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## Objectives for This Chapter
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After working through this chapter, a developer will be able to:
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* Run Bitcoin Core as an I2P (Invisible Internet Project) service
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Supporting objectives include the ability to:
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* Understand the i2p Network
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* Learn difference between Tor and i2p
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## Table of Contents
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* [Section One: Bitcoin Core as an I2P (Invisible Internet Project) service](15_1_i2p_service.md) |