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Merge fe66dad8a7 into merged_master (Bitcoin PR bitcoin/bitcoin#24710)

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James Dorfman 2024-07-08 20:21:29 +00:00
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@ -10,7 +10,8 @@ CJDNS is like a distributed, shared VPN with multiple entry points where every
participant can reach any other participant. All participants use addresses from
the `fc00::/8` network (reserved IPv6 range). Installation and configuration is
done outside of Bitcoin Core, similarly to a VPN (either in the host/OS or on
the network router).
the network router). See https://github.com/cjdelisle/cjdns#readme and
https://github.com/hyperboria/docs#hyperboriadocs for more information.
Compared to IPv4/IPv6, CJDNS provides end-to-end encryption and protects nodes
from traffic analysis and filtering.
@ -23,17 +24,37 @@ somewhat centralized. I2P connections have a source address and I2P is slow.
CJDNS is fast but does not hide the sender and the recipient from intermediate
routers.
## Installing CJDNS and connecting to the network
## Installing CJDNS and finding a peer to connect to the network
To install and set up CJDNS, follow the instructions at
https://github.com/cjdelisle/cjdns#cjdns.
https://github.com/cjdelisle/cjdns#how-to-install-cjdns.
Don't skip steps
You need to initiate an outbound connection to a peer on the CJDNS network
before it will work with your Bitcoin Core node. This is described in steps
["2. Find a friend"](https://github.com/cjdelisle/cjdns#2-find-a-friend) and
["3. Connect your node to your friend's
node"](https://github.com/cjdelisle/cjdns#3-connect-your-node-to-your-friends-node).
You need to be connected to the CJDNS network before it will work with your
Bitcoin Core node.
node"](https://github.com/cjdelisle/cjdns#3-connect-your-node-to-your-friends-node)
in the CJDNS documentation.
One quick way to accomplish these two steps is to query for available public
peers on [Hyperboria](https://github.com/hyperboria) by running the following:
```
git clone https://github.com/hyperboria/peers hyperboria-peers
cd hyperboria-peers
./testAvailable.py
```
For each peer, the `./testAvailable.py` script prints the filename of the peer's
credentials followed by the ping result.
Choose one or several peers, copy their credentials from their respective files,
paste them into the relevant IPv4 or IPv6 "connectTo" JSON object in the
`cjdroute.conf` file you created in step ["1. Generate a new configuration
file"](https://github.com/cjdelisle/cjdns#1-generate-a-new-configuration-file),
and save the file.
## Launching CJDNS
Typically, CJDNS might be launched from its directory with
`sudo ./cjdroute < cjdroute.conf` and it sheds permissions after setting up the