04-network.md

04 Network

Network

• bc getpeerinfo | egrep 'subver|inbound'
• bc addnode
• bc setban
  • https://0bin.net/paste/ZFEAihJLl8AQRaBx#M8xZGuMyYKZWhjfNLOX4pQsraQys2IedFPr60rB3rJi

Setting Network Limits

• check bandwidth usage
  • vnstat -d
• bd ... -listen=0
• bd ... -maxconnections=20
• bd ... -maxuploadtarget=500
• bd ... -blocksonly

Tor

• https://github.com/bitcoin/bitcoin/blob/master/doc/tor.md
• install tor
• run behind Tor proxy
  • bd ... -proxy=127.0.0.1:9050

Run a bitcoin hidden service

• add to torrc

HiddenServiceDir /var/lib/tor/bitcoin-service/
HiddenServicePort 8333 127.0.0.1:8333

• ONION=cat /var/lib/tor/bitcoin-service/hostname

• bd ... -proxy=127.0.0.1:9050

• bd ... -listen=1

  • listen despite proxy

• bd ... -listenonion=0

  • no ephemeral HS

• bd ... -externalip=$ONION

• bd ... -bind=127.0.0.1

  • otherwise still allowing non-Tor

• bc getnetworkinfo

Ephemeral Hidden services

• configure tor control port