Tag Archives: Test

DNS Test Names & Resource Records

I am testing a lot with my own DNS servers as well as with third-party DNS implementations such as DNS proxies on firewalls, DNSSEC validation on resolvers, etc. While there are a number of free DNS online tools around the Internet I was lacking some DNS test names with certain properties or resource records. Hence I configured a couple of them on my own authoritative DNS servers and its zone weberdns.de.

For example we encountered a bug on the Palo Alto DNS proxy that has not stored the TTL value correctly – hence some test names with different TTL values. Or we had some problems when a single DNS name has more than 15 IPv4/IPv6 addresses – hence some test names with lots of addresses. And many more: Continue reading DNS Test Names & Resource Records

Palo Alto File Blocking: Benefits and Limitations

I tested the file blocking features of the Palo Alto Networks next-generation firewall and was a bit confused why several file types still passed the firewall though I set the policy to “any block”. Therefore, I tested a few scenarios with the file blocking security profile and present my test results here.

Continue reading Palo Alto File Blocking: Benefits and Limitations