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diff --git a/src/bin/netconf/unix_control_socket.h b/src/bin/netconf/unix_control_socket.h
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+++ b/src/bin/netconf/unix_control_socket.h
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+// Copyright (C) 2018-2021 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+/// @file unix_control_socket.h
+/// Contains declarations for UNIX control socket communication.
+
+#ifndef UNIX_CONTROL_SOCKET_H
+#define UNIX_CONTROL_SOCKET_H
+
+#include <netconf/control_socket.h>
+
+namespace isc {
+namespace netconf {
+
+/// @brief Class for control socket communication over UNIX socket.
+///
+/// This class is the derived class for control socket communication
+/// over UNIX sockets.
+/// This class implements config-get, config-test and config-set.
+class UnixControlSocket : public ControlSocketBase {
+public:
+
+    /// @brief Constructor.
+    ///
+    /// @param ctrl_sock The control socket configuration.
+    UnixControlSocket(CfgControlSocketPtr ctrl_sock);
+
+    /// @brief Destructor (does nothing).
+    virtual ~UnixControlSocket() = default;
+
+    /// @brief Get configuration.
+    ///
+    /// Call config-get over the control socket.
+    ///
+    /// @param service The target service (ignored).
+    /// @return The JSON element answer of config-get.
+    /// @throw ControlSocketError when a communication error occurs.
+    virtual data::ConstElementPtr configGet(const std::string& service);
+
+    /// @brief Test configuration.
+    ///
+    /// Call config-test over the control socket.
+    ///
+    /// @param service The target service (ignored).
+    /// @param config The configuration to test.
+    /// @return The JSON element answer of config-test.
+    /// @throw ControlSocketError when a communication error occurs.
+    virtual data::ConstElementPtr configTest(data::ConstElementPtr config,
+                                             const std::string& service);
+
+    /// @brief Set configuration.
+    ///
+    /// Call config-set over the control socket.
+    ///
+    /// @param config The configuration to set.
+    /// @param service The target service (ignored).
+    /// @return The JSON element answer of config-set.
+    /// @throw ControlSocketError when a communication error occurs.
+    virtual data::ConstElementPtr configSet(data::ConstElementPtr config,
+                                            const std::string& service);
+
+private:
+    /// @brief Perform the actual communication.
+    ///
+    /// @note This method is synchronous, i.e. it blocks until it finishes
+    /// and returns.
+    ///
+    /// @param command The command to send.
+    /// @return The answer.
+    data::ConstElementPtr sendCommand(data::ConstElementPtr command);
+};
+
+/// @brief Type definition for the pointer to the @c UnixControlSocket.
+typedef boost::shared_ptr<UnixControlSocket> UnixControlSocketPtr;
+
+/// @brief Factory template specialization for unix control sockets.
+///
+/// @param ctrl_sock The control socket configuration.
+/// @return A pointer to a unix control socket communication object.
+template <> ControlSocketBasePtr
+createControlSocket<CfgControlSocket::Type::UNIX>(CfgControlSocketPtr ctrl_sock);
+
+} // namespace netconf
+} // namespace isc
+
+#endif // UNIX_CONTROL_SOCKET_H