dnsreflector dnsreflector daemon listens for DNS queries on a local UDP port and answers with records pointing back to localhost.
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DNS queries dns daemon DNS queries network listener dnsreflector

dnsreflector Description

dnsreflector daemon listens for DNS queries on a local UDP port and answers with records pointing back to localhost. dnsreflector daemon listens for DNS queries on a local UDP port and answers with records pointing back to localhost. Combined with OpenBSD's packet filter pf(4) this works as a bandwidth efficient spamtrap.dnsreflector was written and tested with OpenBSD. If you are interested in running dnsreflector on another platform, please contact me .PF Setup table < spamd > persist rdr inet proto udp from < spamd > to any port 53 -> 127.0.0.1 port 53000 Usage dnsreflector -d Run as daemon in the background -a address Bind to this address (default: 127.0.0.1) -p port Bind to this port (default: 53000) Linux: On popular demand I made a diff to compile dnsreflector with Linux (tested on SuSE). You will need a facility to redirect DNS queries coming from blacklisted hosts to dnsreflector. I don't know how to do this with Linux netfilter, but if you do, please tell me.

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