diff --git a/net/adc_endpoint.h b/net/adc_endpoint.h
index 835a6a4..42d451e 100644
--- a/net/adc_endpoint.h
+++ b/net/adc_endpoint.h
@@ -60,42 +60,200 @@ public:
     template <traits::adc_input_char_range R>
     AdcEndpointParser(const R& ept)
     {
+        fromRange(ept);
     }
 
-protected:
-    std::string _proto, _host, _path;
-    int port;
-
     template <traits::adc_input_char_range R>
-    bool parse(const R& ept)
+        requires std::ranges::contiguous_range<R>
+    bool fromRange(const R& ept)
     {
+        _isValid = false;
+
         // at least 'ws://a' (proto, proto-host delimiter and at least a single character of hostname)
         if (std::ranges::size(ept) < 6) {
-            return false;
+            return _isValid;
         }
 
-        auto found = std::ranges::search(ept, protoHostDelim);
+        if constexpr (std::is_array_v<std::remove_cvref_t<R>>) {
+            _endpoint = ept;
+        } else {
+            std::ranges::copy(ept, _endpoint);
+        }
+
+        auto found = std::ranges::search(_endpoint, protoHostDelim);
         if (found.empty()) {
-            return false;
+            return _isValid;
         }
 
 
-        bool ok = false;
 
-        std::string_view proto{ept.begin(), found.begin()};
+        _proto = std::string_view{_endpoint.begin(), found.begin()};
         for (auto& valid_proto : validProtoMarks) {
-            ok = proto == valid_proto;
-            if (ok) {
+            _isValid = _proto == valid_proto;
+            if (_isValid) {
                 break;
             }
         }
 
-        if (!ok) {
-            return ok;
+        if (!_isValid) {
+            return _isValid;
         }
 
-        _proto.clear();
-        std::ranges::copy(proto, std::back_inserter(_proto));
+        _isValid = false;
+
+        _host = std::string_view{found.end(), _endpoint.end()};
+        if (_proto == protoMarkLocal) {  // local proto allows only hostname
+            _path = std::string_view();
+            _port = -1;
+        } else {
+            auto f1 = std::ranges::search(_host, hostPortDelim);
+            std::string_view port_sv;
+            if (f1.empty()) {  // no port, but is must be!
+                return _isValid;
+            } else {
+                _host = std::string_view(_host.begin(), f1.begin());
+                // port_sv = std::string_view(f1.end(), _endpoint.end());
+                port_sv = std::string_view(f1.end(), &*_endpoint.end());
+
+                f1 = std::ranges::search(port_sv, portPathDelim);
+                if (f1.empty()) {
+                    _path = std::string_view();
+                } else {
+                    port_sv = std::string_view(port_sv.begin(), f1.begin());
+
+                    _path = std::string_view(f1.end(), &*_endpoint.end());
+                }
+
+                // convert port string to int
+                auto end_ptr = port_sv.data() + port_sv.size();
+
+                auto [ptr, ec] = std::from_chars(port_sv.data(), end_ptr, _port);
+                if (ec != std::errc() || ptr != end_ptr) {
+                    return _isValid;
+                }
+            }
+        }
+
+        _isValid = true;
+
+        return _isValid;
+    }
+
+
+    bool isValid() const
+    {
+        return _isValid;
+    }
+
+    template <traits::adc_view_or_output_char_range R>
+    R proto() const
+    {
+        return part<R>(PROTO_PART);
+    }
+
+    std::string_view proto() const
+    {
+        return proto<std::string_view>();
+    }
+
+    template <traits::adc_view_or_output_char_range R>
+    R host() const
+    {
+        return part<R>(HOST_PART);
+    }
+
+    std::string_view host() const
+    {
+        return host<std::string_view>();
+    }
+
+    int port() const
+    {
+        return _port;
+    }
+
+    template <traits::adc_view_or_output_char_range R>
+    R path() const
+    {
+        return part<R>(PATH_PART);
+    }
+
+    std::string_view path() const
+    {
+        return path<std::string_view>();
+    }
+
+
+    bool isLocal() const
+    {
+        return proto() == protoMarkLocal;
+    }
+
+    bool isTCP() const
+    {
+        return proto() == protoMarkTCP;
+    }
+
+    bool isTLS() const
+    {
+        return proto() == protoMarkTLS;
+    }
+
+    bool isUDP() const
+    {
+        return proto() == protoMarkUDP;
+    }
+
+    bool isWS() const
+    {
+        return proto() == protoMarkWS;
+    }
+
+    bool isWSS() const
+    {
+        return proto() == protoMarkWSS;
+    }
+
+protected:
+    std::string _endpoint;
+    std::string_view _proto, _host, _path;
+    int _port;
+    bool _isValid;
+
+    enum EndpointPart { PROTO_PART, HOST_PART, PATH_PART };
+
+    template <traits::adc_view_or_output_char_range R>
+    R part(EndpointPart what) const
+    {
+        R res;
+
+        if (!_isValid) {
+            return res;
+        }
+
+        auto part = _proto;
+
+        switch (what) {
+            case PROTO_PART:
+                part = _proto;
+                break;
+            case HOST_PART:
+                part = _host;
+                break;
+            case PATH_PART:
+                part = _path;
+                break;
+            default:
+                break;
+        }
+
+        if constexpr (std::ranges::view<R>) {
+            return {part.begin(), part.end()};
+        } else {
+            std::ranges::copy(part, res);
+        }
+
+        return res;
     }
 };
 
diff --git a/net/adc_netserver.h b/net/adc_netserver.h
index 48232f4..a138463 100644
--- a/net/adc_netserver.h
+++ b/net/adc_netserver.h
@@ -184,15 +184,17 @@ public:
 
     // start accepting remote connections, create and start given network session
     // It must be assumed that this is asynchronous operation!!!
-    template <interfaces::adc_netsession_c SessionT, typename... AccCtorArgTs>
+    template <interfaces::adc_netsession_c SessionT, typename... AcceptorCtorArgTs>
     void start(const typename SessionT::netsession_ident_t& id,
                const typename SessionT::netsession_ctx_t& sess_ctx,
-               AccCtorArgTs&&... ctor_args)
+               AcceptorCtorArgTs&&... ctor_args)
     {
-        auto acceptor =
-            std::make_shared<typename SessionT::netservice_t::acceptor_t>(std::forward<AccCtorArgTs>(ctor_args)...);
+        if (!_isListening<SessionT>[this]) {
+            auto acceptor = std::make_shared<typename SessionT::netservice_t::acceptor_t>(
+                std::forward<AcceptorCtorArgTs>(ctor_args)...);
 
-        doAccept<SessionT>(acceptor, id, sess_ctx);
+            doAccept<SessionT>(acceptor, id, sess_ctx);
+        }
     };
 
 
@@ -218,7 +220,7 @@ protected:
     server_ident_t _serverIdent;
 
     template <typename SessionT, typename AT, typename IDT, typename CTXT>
-    void doAccept(std::shared_ptr<AT> acceptor, const IDT& id, CTXT& sess_ctx)
+    void doAccept(std::shared_ptr<AT> acceptor, const IDT& id, const CTXT& sess_ctx)
     {
         acceptor.asyncAccept([acceptor, &id, &sess_ctx, this](auto ec, typename SessionT::netservice_t srv) mutable {
             if (!ec) {
diff --git a/tests/adc_netmsg_test.cpp b/tests/adc_netmsg_test.cpp
index cb54fcd..3512a6e 100644
--- a/tests/adc_netmsg_test.cpp
+++ b/tests/adc_netmsg_test.cpp
@@ -83,6 +83,13 @@ TEST_CASE("[ADC NET MESSAGE]")
 
     std::cout << "EPT: [" << ept.endpoint() << "]\n";
 
+    AdcEndpointParser prs(ee);
+    std::cout << "PROTO: [" << prs.proto() << "]\n";
+    std::cout << "HOST: [" << prs.host() << "]\n";
+    std::cout << "PORT: [" << prs.port() << "]\n";
+    std::cout << "PATH: [" << prs.path() << "]\n";
+    std::cout << std::boolalpha << "IS TLS: " << prs.isTLS() << "\n";
+    std::cout << std::boolalpha << "IS UDP: " << prs.isUDP() << "\n";
 
     std::cout << "\n\n";
     std::string bs;