![](https://live-infoblox-blog.pantheonsite.io/wp-content/uploads/raining-101.jpg)
![](https://live-infoblox-blog.pantheonsite.io/wp-content/uploads/PRD__supporting_diagrams.png)
![](https://live-infoblox-blog.pantheonsite.io/wp-content/uploads/threat-protection-rules.png)
![](https://live-infoblox-blog.pantheonsite.io/wp-content/uploads/DNS-tunneling.png)
Tunnel Tool
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Record Types Used
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Resources to learn more
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DNS2TCP
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KEY, TXT
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DNScat-P
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A, CNAME
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Iodine Protocol v5.00
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NULL
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Iodine Protocol v5.02
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A, CNAME, MX, NULL, SRV, TXT
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OzymanDNS
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A, TXT
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SplitBrain
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A, TXT
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TCP-Over-DNS
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CNAME, TXT
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YourFreedom
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NULL
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