dns-sniffer witching DNS requests on interface via pcap lib and logging theme in Elasticsearch

• -i - Listening on interface ("eth0")
• -e - Hostname of Elastic service ("127.0.0.1")
• -u - Elastic username ("logstash")
• -p - Elastic password ("logastash")
• -s - Elastic index name ("dns_index")
• -t - Elastic document type ("syslog")
• -x - Set destination network ("0.0.0.0/0")
• -v - Show dumped requests in console ("false")