Energy Logserver Blog

Vulnerability Scanner integration

Vulnerabilities are common problem in IT community. Some are serious, other – not so much. Most important is to know if any vulnerabilities are present in our systems, how critical they are and how they can be fixed. There are tools that can help you do get that information, called vulnerability scanners. Vulnerability scanners check […]

DNS logstash filter is slow

Issue description   I've used the DNS filter on the logstash, but i can clearly see that the indexing speed has decreased by adding resolve. Does it have to be so slow? Logstash config from documentation: filter {   dns {     reverse => [ "source_host", "field_with_address" ]     resolve => [ "field_with_fqdn" ]     action => "replace"   } […]