Category: Security

The Certification Authority Authorization (CAA)

The Certification Authority Authorization (CAA) DNS Resource Record allows a DNS domain name holder to specify one or more Certification Authorities (CAs) authorized to issue certificates for that domain. How to check a domain's CAA record which is identified by a type257 DNS record: $ dig +short -t TYPE257

good.html malicious content or what?

I have observed a file named good.html in one of my wordpress web sites which has the following content. <head> <meta http-equiv="refresh" content="1;URL=" /> </head> I guess this file has been uploaded maliciously in order to make the web server visit the address in the code, or maybe to make...