network: harden against eclipse attacks
network: harden against eclipse attacks

wakiyamap/electrum-mona,vialectrum/vialectrum,wakiyamap/electrum-mona,fujicoin/electrum-fjc,spesmilo/electrum,vialectrum/vialectrum,spesmilo/electrum,pooler/electrum-ltc,fujicoin/electrum-fjc,neocogent/electrum,wakiyamap/electrum-mona,pooler/electrum-ltc,pooler/electrum-ltc,spesmilo/electrum,pooler/electrum-ltc,neocogent/electrum,vialectrum/vialectrum,neocogent/electrum,spesmilo/electrum,wakiyamap/electrum-mona,fujicoin/electrum-fjc