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+---
+title: Introduction
+nav_order: 0
+---
+
+# Introduction
+
+slipstream is a novel DNS tunnel leveraging the QUIC protocol under the hood.
+
+DNS tunneling is a technique that allows for data to be transmitted over DNS queries and responses.
+Such a tunnel can be set up in any network with access to a DNS resolver, even when the client does not have direct access to the internet.
+DNS tunneling enables attackers to exfiltrate data, establish Command and Control communication, or bypass network restrictions.
+Unfortunately, the DNS protocol is quite limited, with a maximum message size, the use of a request-response model, and employed rate-limiting by resolvers.
+To overcome these limitations, tools such as Iodine, or OzymanDNS design custom reliable protocols on top of DNS to allow for streaming continuous data over the tunnel.
+However, they are often limited, with throughput often not exceeding several hundred kilobytes per second.
+By carefully implementing QUIC compatibility layers, we're able to leverage QUIC's reliability guarantees and introduce a high-performance DNS tunnel.
+
+## Quick start
+
+Follow the [installation](/installation/) and [usage instruction](/usage/) guides.
+
+## Benchmarks
+
+In our [benchmark](/benchmark/), we show that slipstream achieves a 10-fold time decrease in exfiltrating a 10 MB file, while using up to 15% less queries.
+For downloading files into the restricted network, slipstream uses up to 37% less queries.
+Using QUIC congestion control, it accurately determines the query rate of the used DNS resolver.
+Finally, QUIC multipath allows slipstream to combine the bandwidth of multiple resolvers to largely improve its performance, even when those resolvers have different round-trip times, loss rates, or rate limits.