diff --git a/src/main.cpp b/src/main.cpp
new file mode 100644
index 0000000..ffb0e11
--- /dev/null
+++ b/src/main.cpp
@@ -0,0 +1,45 @@
+/*
+// Copyright (c) 2018 Intel Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+*/
+#include "srvcfg_manager.hpp"
+
+std::shared_ptr<boost::asio::deadline_timer> timer = nullptr;
+std::map<std::string, std::shared_ptr<phosphor::service::ServiceConfig>>
+    srvMgrObjects;
+
+static std::map<std::string, std::string> serviceList = {
+    {"netipmid", "phosphor-ipmi-net"}, {"web", "bmcweb"}, {"ssh", "dropbear"}};
+
+int main()
+{
+    // setup connection to dbus
+    boost::asio::io_service io;
+    auto conn = std::make_shared<sdbusplus::asio::connection>(io);
+    timer = std::make_shared<boost::asio::deadline_timer>(io);
+    conn->request_name(phosphor::service::serviceConfigSrvName);
+    auto server = sdbusplus::asio::object_server(conn);
+    for (const auto &service : serviceList)
+    {
+        std::string objPath("/xyz/openbmc_project/control/service/" +
+                            service.first);
+        auto srvCfgObj = std::make_unique<phosphor::service::ServiceConfig>(
+            server, conn, objPath, service.second);
+        srvMgrObjects.emplace(
+            std::make_pair(std::move(service.first), std::move(srvCfgObj)));
+    }
+    io.run();
+
+    return 0;
+}
diff --git a/src/srvcfg_manager.cpp b/src/srvcfg_manager.cpp
new file mode 100644
index 0000000..04d41ca
--- /dev/null
+++ b/src/srvcfg_manager.cpp
@@ -0,0 +1,387 @@
+/*
+// Copyright (c) 2018 Intel Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+*/
+#include <fstream>
+#include <regex>
+#include "srvcfg_manager.hpp"
+
+extern std::shared_ptr<boost::asio::deadline_timer> timer;
+extern std::map<std::string, std::shared_ptr<phosphor::service::ServiceConfig>>
+    srvMgrObjects;
+
+namespace phosphor
+{
+namespace service
+{
+
+static constexpr const char *overrideConfFileName = "override.conf";
+static constexpr const size_t restartTimeout = 15; // seconds
+
+static constexpr const char *systemd1UnitBasePath =
+    "/org/freedesktop/systemd1/unit/";
+static constexpr const char *systemdOverrideUnitBasePath =
+    "/etc/systemd/system/";
+
+void ServiceConfig::syncWithSystemD1Properties()
+{
+    // Read systemd1 socket/service property and load.
+    conn->async_method_call(
+        [this](boost::system::error_code ec,
+               const sdbusplus::message::variant<
+                   std::vector<std::tuple<std::string, std::string>>> &value) {
+            if (ec)
+            {
+                phosphor::logging::log<phosphor::logging::level::ERR>(
+                    "async_method_call error: Failed to get property");
+                return;
+            }
+
+            try
+            {
+                auto listenVal = sdbusplus::message::variant_ns::get<
+                    std::vector<std::tuple<std::string, std::string>>>(value);
+                protocol = std::get<0>(listenVal[0]);
+                std::string port = std::get<1>(listenVal[0]);
+                auto tmp = std::stoul(port.substr(port.find_last_of(":") + 1),
+                                      nullptr, 10);
+                if (tmp > std::numeric_limits<uint16_t>::max())
+                {
+                    throw std::out_of_range("Out of range");
+                }
+                portNum = tmp;
+            }
+            catch (const std::exception &e)
+            {
+                phosphor::logging::log<phosphor::logging::level::ERR>(
+                    "Exception for port number",
+                    phosphor::logging::entry("WHAT=%s", e.what()));
+                return;
+            }
+            conn->async_method_call(
+                [](boost::system::error_code ec) {
+                    if (ec)
+                    {
+                        phosphor::logging::log<phosphor::logging::level::ERR>(
+                            "async_method_call error: Failed to set property");
+                        return;
+                    }
+                },
+                serviceConfigSrvName, objPath.c_str(),
+                "org.freedesktop.DBus.Properties", "Set", serviceConfigIntfName,
+                "Port", sdbusplus::message::variant<uint16_t>(portNum));
+        },
+        "org.freedesktop.systemd1", sysDSockObjPath.c_str(),
+        "org.freedesktop.DBus.Properties", "Get",
+        "org.freedesktop.systemd1.Socket", "Listen");
+
+    conn->async_method_call(
+        [this](boost::system::error_code ec,
+               const sdbusplus::message::variant<std::string> &pValue) {
+            if (ec)
+            {
+                phosphor::logging::log<phosphor::logging::level::ERR>(
+                    "async_method_call error: Failed to get property");
+                return;
+            }
+
+            channelList.clear();
+            std::istringstream stm(
+                sdbusplus::message::variant_ns::get<std::string>(pValue));
+            std::string token;
+            while (std::getline(stm, token, ','))
+            {
+                channelList.push_back(token);
+            }
+            conn->async_method_call(
+                [](boost::system::error_code ec) {
+                    if (ec)
+                    {
+                        phosphor::logging::log<phosphor::logging::level::ERR>(
+                            "async_method_call error: Failed to set property");
+                        return;
+                    }
+                },
+                serviceConfigSrvName, objPath.c_str(),
+                "org.freedesktop.DBus.Properties", "Set", serviceConfigIntfName,
+                "Channel",
+                sdbusplus::message::variant<std::vector<std::string>>(
+                    channelList));
+        },
+        "org.freedesktop.systemd1", sysDSockObjPath.c_str(),
+        "org.freedesktop.DBus.Properties", "Get",
+        "org.freedesktop.systemd1.Socket", "BindToDevice");
+
+    std::string srvUnitName(sysDUnitName);
+    if (srvUnitName == "dropbear")
+    {
+        srvUnitName.append("@");
+    }
+    srvUnitName.append(".service");
+    conn->async_method_call(
+        [this](boost::system::error_code ec, const std::string &pValue) {
+            if (ec)
+            {
+                phosphor::logging::log<phosphor::logging::level::ERR>(
+                    "async_method_call error: Failed to get property");
+                return;
+            }
+            stateValue = pValue;
+            conn->async_method_call(
+                [](boost::system::error_code ec) {
+                    if (ec)
+                    {
+                        phosphor::logging::log<phosphor::logging::level::ERR>(
+                            "async_method_call error: Failed to set property");
+                        return;
+                    }
+                },
+                serviceConfigSrvName, objPath.c_str(),
+                "org.freedesktop.DBus.Properties", "Set", serviceConfigIntfName,
+                "State", sdbusplus::message::variant<std::string>(stateValue));
+        },
+        "org.freedesktop.systemd1", "/org/freedesktop/systemd1",
+        "org.freedesktop.systemd1.Manager", "GetUnitFileState", srvUnitName);
+
+    return;
+}
+
+ServiceConfig::ServiceConfig(
+    sdbusplus::asio::object_server &srv_,
+    std::shared_ptr<sdbusplus::asio::connection> &conn_, std::string objPath_,
+    std::string unitName) :
+    server(srv_),
+    conn(conn_), objPath(objPath_), sysDUnitName(unitName)
+{
+    std::string socketUnitName(sysDUnitName + ".socket");
+    // .socket systemd service files are handled.
+    // Regular .service only files are ignored.
+    if (!checkSystemdUnitExist(socketUnitName))
+    {
+        phosphor::logging::log<phosphor::logging::level::ERR>(
+            "Unit doesn't exist.",
+            phosphor::logging::entry("UNITNAME=%s", socketUnitName.c_str()));
+        phosphor::logging::elog<
+            sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure>();
+    }
+
+    /// Check override socket directory exist, if not create it.
+    std::experimental::filesystem::path ovrUnitFileDir(
+        systemdOverrideUnitBasePath);
+    ovrUnitFileDir += socketUnitName;
+    ovrUnitFileDir += ".d";
+    if (!std::experimental::filesystem::exists(ovrUnitFileDir))
+    {
+        if (!std::experimental::filesystem::create_directories(ovrUnitFileDir))
+        {
+            phosphor::logging::log<phosphor::logging::level::ERR>(
+                "Unable to create the directory.",
+                phosphor::logging::entry("DIR=%s", ovrUnitFileDir.c_str()));
+            phosphor::logging::elog<sdbusplus::xyz::openbmc_project::Common::
+                                        Error::InternalFailure>();
+        }
+    }
+
+    /* Store require info locally */
+    unitSocketFilePath = std::string(ovrUnitFileDir);
+
+    sysDSockObjPath = systemd1UnitBasePath;
+    sysDSockObjPath.append(
+        std::regex_replace(sysDUnitName, std::regex("-"), "_2d"));
+    sysDSockObjPath.append("_2esocket");
+
+    // Adds interface, object and Properties....
+    registerProperties();
+
+    syncWithSystemD1Properties();
+
+    updatedFlag = 0;
+    return;
+}
+
+void ServiceConfig::applySystemDServiceConfig()
+{
+    phosphor::logging::log<phosphor::logging::level::INFO>(
+        "Applying new settings.",
+        phosphor::logging::entry("OBJPATH=%s", objPath.c_str()));
+    if (updatedFlag & ((1 << static_cast<uint8_t>(UpdatedProp::channel)) |
+                       (1 << static_cast<uint8_t>(UpdatedProp::port))))
+    {
+        // Create override config file and write data.
+        std::string ovrCfgFile{unitSocketFilePath + "/" + overrideConfFileName};
+        std::string tmpFile{ovrCfgFile + "_tmp"};
+        std::ofstream cfgFile(tmpFile, std::ios::out);
+        if (!cfgFile.good())
+        {
+            phosphor::logging::log<phosphor::logging::level::ERR>(
+                "Failed to open override.conf_tmp file");
+            phosphor::logging::elog<sdbusplus::xyz::openbmc_project::Common::
+                                        Error::InternalFailure>();
+        }
+
+        // Write the socket header
+        cfgFile << "[Socket]\n";
+        // Listen
+        cfgFile << "Listen" << protocol << "="
+                << "\n";
+        cfgFile << "Listen" << protocol << "=" << portNum << "\n";
+        // BindToDevice
+        bool firstElement = true;
+        cfgFile << "BindToDevice=";
+        for (const auto &it : channelList)
+        {
+            if (firstElement)
+            {
+                cfgFile << it;
+                firstElement = false;
+            }
+            else
+            {
+                cfgFile << "," << it;
+            }
+        }
+        cfgFile.close();
+
+        if (std::rename(tmpFile.c_str(), ovrCfgFile.c_str()) != 0)
+        {
+            phosphor::logging::log<phosphor::logging::level::ERR>(
+                "Failed to rename tmp file as override.conf");
+            std::remove(tmpFile.c_str());
+            phosphor::logging::elog<sdbusplus::xyz::openbmc_project::Common::
+                                        Error::InternalFailure>();
+        }
+
+        // Systemd forcing explicit socket stop before reload...!
+        std::string socketUnitName(sysDUnitName + ".socket");
+        systemdUnitAction(conn, socketUnitName, sysdActionStopUnit);
+
+        std::string srvUnitName(sysDUnitName + ".service");
+        systemdUnitAction(conn, srvUnitName, sysdActionStopUnit);
+
+        // Perform daemon reload to read new settings
+        systemdDaemonReload(conn);
+
+        // Restart the unit
+        systemdUnitAction(conn, socketUnitName, sysdActionStartUnit);
+        systemdUnitAction(conn, srvUnitName, sysdActionStartUnit);
+    }
+
+    if (updatedFlag & (1 << static_cast<uint8_t>(UpdatedProp::state)))
+    {
+        if ((stateValue == "enabled") || (stateValue == "disabled"))
+        {
+            systemdUnitFileStateChange(conn, sysDUnitName, stateValue);
+        }
+    }
+
+    // Reset the flag
+    updatedFlag = 0;
+
+    // All done. Lets reload the properties which are applied on systemd1.
+    // TODO: We need to capture the service restart signal and reload data
+    // inside the signal handler. So that we can update the service properties
+    // modified, outside of this service as well.
+    syncWithSystemD1Properties();
+
+    return;
+}
+
+void ServiceConfig::startServiceRestartTimer()
+{
+    timer->expires_from_now(boost::posix_time::seconds(restartTimeout));
+    timer->async_wait([this](const boost::system::error_code &ec) {
+        if (ec == boost::asio::error::operation_aborted)
+        {
+            // Timer reset.
+            return;
+        }
+        else if (ec)
+        {
+            phosphor::logging::log<phosphor::logging::level::ERR>(
+                "async wait error.");
+            return;
+        }
+        for (auto &srvMgrObj : srvMgrObjects)
+        {
+            auto &srvObj = srvMgrObj.second;
+            if (srvObj->updatedFlag)
+            {
+                srvObj->applySystemDServiceConfig();
+            }
+        }
+    });
+}
+
+void ServiceConfig::registerProperties()
+{
+    std::shared_ptr<sdbusplus::asio::dbus_interface> iface =
+        server.add_interface(objPath, serviceConfigIntfName);
+
+    iface->register_property(
+        "Port", portNum, [this](const uint16_t &req, uint16_t &res) {
+            phosphor::logging::log<phosphor::logging::level::ERR>(
+                " Inside register_property");
+            if (req == res)
+            {
+                return 1;
+            }
+            portNum = req;
+            updatedFlag |= (1 << static_cast<uint8_t>(UpdatedProp::port));
+            startServiceRestartTimer();
+            res = req;
+            return 1;
+        });
+
+    iface->register_property(
+        "Channel", channelList,
+        [this](const std::vector<std::string> &req,
+               std::vector<std::string> &res) {
+            if (req == res)
+            {
+                return 1;
+            }
+            channelList.clear();
+            std::copy(req.begin(), req.end(), back_inserter(channelList));
+
+            updatedFlag |= (1 << static_cast<uint8_t>(UpdatedProp::channel));
+            startServiceRestartTimer();
+            res = req;
+            return 1;
+        });
+
+    iface->register_property(
+        "State", stateValue, [this](const std::string &req, std::string &res) {
+            if (req == res)
+            {
+                return 1;
+            }
+            if ((req != "enabled") && (req != "disabled") && (req != "static"))
+            {
+                phosphor::logging::log<phosphor::logging::level::ERR>(
+                    "Invalid value specified");
+                return -EINVAL;
+            }
+            stateValue = req;
+            updatedFlag |= (1 << static_cast<uint8_t>(UpdatedProp::state));
+            startServiceRestartTimer();
+            res = req;
+            return 1;
+        });
+
+    iface->initialize();
+    return;
+}
+
+} // namespace service
+} // namespace phosphor
diff --git a/src/utils.cpp b/src/utils.cpp
new file mode 100644
index 0000000..07239e2
--- /dev/null
+++ b/src/utils.cpp
@@ -0,0 +1,143 @@
+/*
+// Copyright (c) 2018 Intel Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+*/
+#include "utils.hpp"
+
+void systemdDaemonReload(
+    const std::shared_ptr<sdbusplus::asio::connection> &conn)
+{
+    try
+    {
+        conn->async_method_call(
+            [](boost::system::error_code ec) {
+                if (ec)
+                {
+                    phosphor::logging::log<phosphor::logging::level::ERR>(
+                        "async error: Failed to do systemd reload.");
+                    return;
+                }
+            },
+            "org.freedesktop.systemd1", "/org/freedesktop/systemd1",
+            "org.freedesktop.systemd1.Manager", "Reload");
+    }
+    catch (const sdbusplus::exception::SdBusError &e)
+    {
+        phosphor::logging::log<phosphor::logging::level::ERR>(
+            "daemon-reload operation failed.");
+        phosphor::logging::elog<
+            sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure>();
+    }
+
+    return;
+}
+
+void systemdUnitAction(const std::shared_ptr<sdbusplus::asio::connection> &conn,
+                       const std::string &unitName,
+                       const std::string &actionMethod)
+{
+    try
+    {
+        conn->async_method_call(
+            [](boost::system::error_code ec,
+               const sdbusplus::message::object_path &res) {
+                if (ec)
+                {
+                    phosphor::logging::log<phosphor::logging::level::ERR>(
+                        "async error: Failed to do systemd action");
+                    return;
+                }
+            },
+            "org.freedesktop.systemd1", "/org/freedesktop/systemd1",
+            "org.freedesktop.systemd1.Manager", actionMethod, unitName,
+            "replace");
+    }
+    catch (const sdbusplus::exception::SdBusError &e)
+    {
+        phosphor::logging::log<phosphor::logging::level::ERR>(
+            "Systemd operation failed.",
+            phosphor::logging::entry("ACTION=%s", actionMethod.c_str()));
+        phosphor::logging::elog<
+            sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure>();
+    }
+
+    return;
+}
+
+void systemdUnitFileStateChange(
+    const std::shared_ptr<sdbusplus::asio::connection> &conn,
+    const std::string &unitName, const std::string &unitState)
+{
+    try
+    {
+        // For now, we support two states(enabled & disabled). we can extend
+        // to other states (enable-runtime, mask, link etc..) if needed.
+        std::vector<std::string> unitFiles = {unitName};
+        if (unitState == "enabled")
+        {
+            conn->async_method_call(
+                [](boost::system::error_code ec) {
+                    if (ec)
+                    {
+                        phosphor::logging::log<phosphor::logging::level::ERR>(
+                            "async error: Failed to do systemd reload.");
+                        return;
+                    }
+                },
+                "org.freedesktop.systemd1", "/org/freedesktop/systemd1",
+                "org.freedesktop.systemd1.Manager", "EnableUnitFiles",
+                unitFiles, false, false);
+        }
+        else if (unitState == "disabled")
+        {
+            conn->async_method_call(
+                [](boost::system::error_code ec) {
+                    if (ec)
+                    {
+                        phosphor::logging::log<phosphor::logging::level::ERR>(
+                            "async error: Failed to do systemd reload.");
+                        return;
+                    }
+                },
+                "org.freedesktop.systemd1", "/org/freedesktop/systemd1",
+                "org.freedesktop.systemd1.Manager", "DisableUnitFiles",
+                unitFiles, false);
+        }
+        else
+        {
+            // Not supported unit State
+            phosphor::logging::log<phosphor::logging::level::ERR>(
+                "invalid Unit state",
+                phosphor::logging::entry("STATE=%s", unitState.c_str()));
+            phosphor::logging::elog<sdbusplus::xyz::openbmc_project::Common::
+                                        Error::InternalFailure>();
+        }
+    }
+    catch (const sdbusplus::exception::SdBusError &e)
+    {
+        phosphor::logging::log<phosphor::logging::level::ERR>(
+            "Systemd state change operation failed.");
+        phosphor::logging::elog<
+            sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure>();
+    }
+
+    return;
+}
+
+bool checkSystemdUnitExist(const std::string &unitName)
+{
+    std::experimental::filesystem::path unitFilePath(
+        std::string("/lib/systemd/system/") + unitName);
+    return std::experimental::filesystem::exists(unitFilePath);
+}