50-net-resolv

#!/bin/sh
# see also net-dns feature for actual nameserver control

# purge hasher-provided files potentially disclosing
# build host's network configuration bits
find /var -name resolv.conf -or -name nsswitch.conf -delete

# hasher might have carried host /etc/hosts over, need to overwrite
echo "127.0.0.1	localhost.localdomain localhost" > /etc/hosts
sed -ri "/^(search|nameserver|domain)/d" /etc/resolv.conf