Tag Archives: DNS

More fun with DNS packet captures

Following my last post on DNS query port usage, here are some more interesting DNS graphs. The following graphs are based on a packet capture taken from the network interface of a recursive DNS server. This DNS server is one … Continue reading

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DNS query UDP source port graphs

Recently Dan Kaminsky announced a new DNS vulnerability. This isn’t a vulnerability in a particular DNS implementation but a problem with the DNS protocol itself. You can find information from CERT here. The exact details of the vulnerability were kept … Continue reading

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