diff --git a/trunk/src/app/srs_app_caster_flv.cpp b/trunk/src/app/srs_app_caster_flv.cpp
index d6f3150f7..7cfaf8253 100644
--- a/trunk/src/app/srs_app_caster_flv.cpp
+++ b/trunk/src/app/srs_app_caster_flv.cpp
@@ -77,12 +77,15 @@ srs_error_t SrsAppCasterFlv::on_tcp_client(srs_netfd_t stfd)
 {
     srs_error_t err = srs_success;
 
-    string ip = srs_get_peer_ip(srs_netfd_fileno(stfd));
+    int fd = srs_netfd_fileno(stfd);
+    string ip = srs_get_peer_ip(fd);
+    int port = srs_get_peer_port(fd);
+
     if (ip.empty() && !_srs_config->empty_ip_ok()) {
         srs_warn("empty ip for fd=%d", srs_netfd_fileno(stfd));
     }
 
-    SrsHttpConn* conn = new SrsDynamicHttpConn(this, stfd, http_mux, ip);
+    SrsHttpConn* conn = new SrsDynamicHttpConn(this, stfd, http_mux, ip, port);
     conns.push_back(conn);
     
     if ((err = conn->start()) != srs_success) {
@@ -138,8 +141,7 @@ srs_error_t SrsAppCasterFlv::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMessa
     return err;
 }
 
-SrsDynamicHttpConn::SrsDynamicHttpConn(IConnectionManager* cm, srs_netfd_t fd, SrsHttpServeMux* m, string cip)
-: SrsHttpConn(cm, fd, m, cip)
+SrsDynamicHttpConn::SrsDynamicHttpConn(IConnectionManager* cm, srs_netfd_t fd, SrsHttpServeMux* m, string cip, int port) : SrsHttpConn(cm, fd, m, cip, port)
 {
     sdk = NULL;
     pprint = SrsPithyPrint::create_caster();
@@ -161,7 +163,7 @@ srs_error_t SrsDynamicHttpConn::proxy(ISrsHttpResponseWriter* w, ISrsHttpMessage
     srs_error_t err = srs_success;
     
     output = o;
-    srs_trace("flv: proxy %s to %s", r->uri().c_str(), output.c_str());
+    srs_trace("flv: proxy %s:%d %s to %s", ip.c_str(), port, r->uri().c_str(), output.c_str());
     
     char* buffer = new char[SRS_HTTP_FLV_STREAM_BUFFER];
     SrsAutoFreeA(char, buffer);
diff --git a/trunk/src/app/srs_app_caster_flv.hpp b/trunk/src/app/srs_app_caster_flv.hpp
index 9a251d32c..ef1587fa5 100644
--- a/trunk/src/app/srs_app_caster_flv.hpp
+++ b/trunk/src/app/srs_app_caster_flv.hpp
@@ -79,7 +79,7 @@ private:
     SrsPithyPrint* pprint;
     SrsSimpleRtmpClient* sdk;
 public:
-    SrsDynamicHttpConn(IConnectionManager* cm, srs_netfd_t fd, SrsHttpServeMux* m, std::string cip);
+    SrsDynamicHttpConn(IConnectionManager* cm, srs_netfd_t fd, SrsHttpServeMux* m, std::string cip, int port);
     virtual ~SrsDynamicHttpConn();
 public:
     virtual srs_error_t on_got_http_message(ISrsHttpMessage* msg);
diff --git a/trunk/src/app/srs_app_conn.cpp b/trunk/src/app/srs_app_conn.cpp
index 53000fe57..d180c7208 100644
--- a/trunk/src/app/srs_app_conn.cpp
+++ b/trunk/src/app/srs_app_conn.cpp
@@ -31,11 +31,12 @@ using namespace std;
 #include <srs_app_utility.hpp>
 #include <srs_kernel_utility.hpp>
 
-SrsConnection::SrsConnection(IConnectionManager* cm, srs_netfd_t c, string cip)
+SrsConnection::SrsConnection(IConnectionManager* cm, srs_netfd_t c, string cip, int cport)
 {
     manager = cm;
     stfd = c;
     ip = cip;
+    port = cport;
     create_time = srsu2ms(srs_get_system_time());
     
     skt = new SrsStSocket();
@@ -205,7 +206,8 @@ string SrsConnection::srs_id()
     return trd->cid();
 }
 
-string SrsConnection::remote_ip() {
+string SrsConnection::remote_ip()
+{
     return ip;
 }
 
diff --git a/trunk/src/app/srs_app_conn.hpp b/trunk/src/app/srs_app_conn.hpp
index b3be2f266..f4e8371c9 100644
--- a/trunk/src/app/srs_app_conn.hpp
+++ b/trunk/src/app/srs_app_conn.hpp
@@ -50,8 +50,9 @@ protected:
     IConnectionManager* manager;
     // The underlayer st fd handler.
     srs_netfd_t stfd;
-    // The ip of client.
+    // The ip and port of client.
     std::string ip;
+    int port;
     // The underlayer socket.
     SrsStSocket* skt;
     // The connection total kbps.
@@ -64,7 +65,7 @@ protected:
     // for current connection to log self create time and calculate the living time.
     int64_t create_time;
 public:
-    SrsConnection(IConnectionManager* cm, srs_netfd_t c, std::string cip);
+    SrsConnection(IConnectionManager* cm, srs_netfd_t c, std::string cip, int cport);
     virtual ~SrsConnection();
 // Interface ISrsKbpsDelta
 public:
diff --git a/trunk/src/app/srs_app_http_api.cpp b/trunk/src/app/srs_app_http_api.cpp
index 88b7dc235..4d7bc7b3c 100644
--- a/trunk/src/app/srs_app_http_api.cpp
+++ b/trunk/src/app/srs_app_http_api.cpp
@@ -1674,8 +1674,7 @@ srs_error_t SrsGoApiTcmalloc::serve_http(ISrsHttpResponseWriter* w, ISrsHttpMess
 }
 #endif
 
-SrsHttpApi::SrsHttpApi(IConnectionManager* cm, srs_netfd_t fd, SrsHttpServeMux* m, string cip)
-    : SrsConnection(cm, fd, cip)
+SrsHttpApi::SrsHttpApi(IConnectionManager* cm, srs_netfd_t fd, SrsHttpServeMux* m, string cip, int port) : SrsConnection(cm, fd, cip, port)
 {
     mux = m;
     cors = new SrsHttpCorsMux();
@@ -1701,7 +1700,7 @@ srs_error_t SrsHttpApi::do_cycle()
 {
     srs_error_t err = srs_success;
     
-    srs_trace("API server client, ip=%s", ip.c_str());
+    srs_trace("API server client, ip=%s:%d", ip.c_str(), port);
     
     // initialize parser
     if ((err = parser->initialize(HTTP_REQUEST, true)) != srs_success) {
@@ -1717,7 +1716,7 @@ srs_error_t SrsHttpApi::do_cycle()
     if ((err = cors->initialize(mux, crossdomain_enabled)) != srs_success) {
         return srs_error_wrap(err, "init cors");
     }
-    
+
     // process http messages.
     while ((err = trd->pull()) == srs_success) {
         ISrsHttpMessage* req = NULL;
@@ -1773,8 +1772,8 @@ srs_error_t SrsHttpApi::process_request(ISrsHttpResponseWriter* w, ISrsHttpMessa
     SrsHttpMessage* hm = dynamic_cast<SrsHttpMessage*>(r);
     srs_assert(hm);
     
-    srs_trace("HTTP API %s %s, content-length=%" PRId64 ", chunked=%d", r->method_str().c_str(), r->url().c_str(),
-        r->content_length(), hm->is_chunked());
+    srs_trace("HTTP API %s:%d %s %s, content-length=%" PRId64 ", chunked=%d", ip.c_str(), port, r->method_str().c_str(),
+        r->url().c_str(), r->content_length(), hm->is_chunked());
     
     // use cors server mux to serve http request, which will proxy to mux.
     if ((err = cors->serve_http(w, r)) != srs_success) {
diff --git a/trunk/src/app/srs_app_http_api.hpp b/trunk/src/app/srs_app_http_api.hpp
index cef05cf2a..e71a9a682 100644
--- a/trunk/src/app/srs_app_http_api.hpp
+++ b/trunk/src/app/srs_app_http_api.hpp
@@ -261,7 +261,7 @@ private:
     SrsHttpCorsMux* cors;
     SrsHttpServeMux* mux;
 public:
-    SrsHttpApi(IConnectionManager* cm, srs_netfd_t fd, SrsHttpServeMux* m, std::string cip);
+    SrsHttpApi(IConnectionManager* cm, srs_netfd_t fd, SrsHttpServeMux* m, std::string cip, int port);
     virtual ~SrsHttpApi();
 // Interface ISrsKbpsDelta
 public:
diff --git a/trunk/src/app/srs_app_http_conn.cpp b/trunk/src/app/srs_app_http_conn.cpp
index 8f9429cbc..05c2ea89b 100644
--- a/trunk/src/app/srs_app_http_conn.cpp
+++ b/trunk/src/app/srs_app_http_conn.cpp
@@ -59,7 +59,7 @@ using namespace std;
 #include <srs_app_utility.hpp>
 #include <srs_app_st.hpp>
 
-SrsHttpConn::SrsHttpConn(IConnectionManager* cm, srs_netfd_t fd, ISrsHttpServeMux* m, string cip) : SrsConnection(cm, fd, cip)
+SrsHttpConn::SrsHttpConn(IConnectionManager* cm, srs_netfd_t fd, ISrsHttpServeMux* m, string cip, int port) : SrsConnection(cm, fd, cip, port)
 {
     parser = new SrsHttpParser();
     cors = new SrsHttpCorsMux();
@@ -102,7 +102,7 @@ srs_error_t SrsHttpConn::do_cycle()
     // process http messages.
     for (int req_id = 0; (err = trd->pull()) == srs_success; req_id++) {
         // Try to receive a message from http.
-        srs_trace("HTTP client ip=%s, request=%d, to=%dms", ip.c_str(), req_id, srsu2ms(SRS_HTTP_RECV_TIMEOUT));
+        srs_trace("HTTP client ip=%s:%d, request=%d, to=%dms", ip.c_str(), port, req_id, srsu2ms(SRS_HTTP_RECV_TIMEOUT));
 
         // get a http message
         ISrsHttpMessage* req = NULL;
@@ -154,8 +154,8 @@ srs_error_t SrsHttpConn::process_request(ISrsHttpResponseWriter* w, ISrsHttpMess
 {
     srs_error_t err = srs_success;
     
-    srs_trace("HTTP %s %s, content-length=%" PRId64 "",
-        r->method_str().c_str(), r->url().c_str(), r->content_length());
+    srs_trace("HTTP %s:%d %s %s, content-length=%" PRId64 "",
+        ip.c_str(), port, r->method_str().c_str(), r->url().c_str(), r->content_length());
     
     // use cors server mux to serve http request, which will proxy to http_remux.
     if ((err = cors->serve_http(w, r)) != srs_success) {
@@ -184,8 +184,7 @@ srs_error_t SrsHttpConn::on_reload_http_stream_crossdomain()
     return err;
 }
 
-SrsResponseOnlyHttpConn::SrsResponseOnlyHttpConn(IConnectionManager* cm, srs_netfd_t fd, ISrsHttpServeMux* m, string cip)
-: SrsHttpConn(cm, fd, m, cip)
+SrsResponseOnlyHttpConn::SrsResponseOnlyHttpConn(IConnectionManager* cm, srs_netfd_t fd, ISrsHttpServeMux* m, string cip, int port) : SrsHttpConn(cm, fd, m, cip, port)
 {
 }
 
diff --git a/trunk/src/app/srs_app_http_conn.hpp b/trunk/src/app/srs_app_http_conn.hpp
index 7529cfc5b..21c754bdd 100644
--- a/trunk/src/app/srs_app_http_conn.hpp
+++ b/trunk/src/app/srs_app_http_conn.hpp
@@ -63,7 +63,7 @@ protected:
     ISrsHttpServeMux* http_mux;
     SrsHttpCorsMux* cors;
 public:
-    SrsHttpConn(IConnectionManager* cm, srs_netfd_t fd, ISrsHttpServeMux* m, std::string cip);
+    SrsHttpConn(IConnectionManager* cm, srs_netfd_t fd, ISrsHttpServeMux* m, std::string cip, int port);
     virtual ~SrsHttpConn();
 // Interface ISrsKbpsDelta
 public:
@@ -90,7 +90,7 @@ public:
 class SrsResponseOnlyHttpConn : public SrsHttpConn
 {
 public:
-    SrsResponseOnlyHttpConn(IConnectionManager* cm, srs_netfd_t fd, ISrsHttpServeMux* m, std::string cip);
+    SrsResponseOnlyHttpConn(IConnectionManager* cm, srs_netfd_t fd, ISrsHttpServeMux* m, std::string cip, int port);
     virtual ~SrsResponseOnlyHttpConn();
 public:
     // Directly read a HTTP request message.
diff --git a/trunk/src/app/srs_app_rtmp_conn.cpp b/trunk/src/app/srs_app_rtmp_conn.cpp
index bf3c7f7d8..d46ed99db 100644
--- a/trunk/src/app/srs_app_rtmp_conn.cpp
+++ b/trunk/src/app/srs_app_rtmp_conn.cpp
@@ -104,7 +104,7 @@ SrsClientInfo::~SrsClientInfo()
     srs_freep(res);
 }
 
-SrsRtmpConn::SrsRtmpConn(SrsServer* svr, srs_netfd_t c, string cip) : SrsConnection(svr, c, cip)
+SrsRtmpConn::SrsRtmpConn(SrsServer* svr, srs_netfd_t c, string cip, int port) : SrsConnection(svr, c, cip, port)
 {
     server = svr;
     
@@ -151,7 +151,7 @@ srs_error_t SrsRtmpConn::do_cycle()
 {
     srs_error_t err = srs_success;
     
-    srs_trace("RTMP client ip=%s, fd=%d", ip.c_str(), srs_netfd_fileno(stfd));
+    srs_trace("RTMP client ip=%s:%d, fd=%d", ip.c_str(), port, srs_netfd_fileno(stfd));
     
     rtmp->set_recv_timeout(SRS_CONSTS_RTMP_TIMEOUT);
     rtmp->set_send_timeout(SRS_CONSTS_RTMP_TIMEOUT);
diff --git a/trunk/src/app/srs_app_rtmp_conn.hpp b/trunk/src/app/srs_app_rtmp_conn.hpp
index c58111f04..4e96d474d 100644
--- a/trunk/src/app/srs_app_rtmp_conn.hpp
+++ b/trunk/src/app/srs_app_rtmp_conn.hpp
@@ -117,7 +117,7 @@ private:
     // About the rtmp client.
     SrsClientInfo* info;
 public:
-    SrsRtmpConn(SrsServer* svr, srs_netfd_t c, std::string cip);
+    SrsRtmpConn(SrsServer* svr, srs_netfd_t c, std::string cip, int port);
     virtual ~SrsRtmpConn();
 public:
     virtual void dispose();
diff --git a/trunk/src/app/srs_app_rtsp.cpp b/trunk/src/app/srs_app_rtsp.cpp
index d4764b259..330968c2f 100644
--- a/trunk/src/app/srs_app_rtsp.cpp
+++ b/trunk/src/app/srs_app_rtsp.cpp
@@ -253,11 +253,14 @@ srs_error_t SrsRtspConn::do_cycle()
     srs_error_t err = srs_success;
     
     // retrieve ip of client.
-    std::string ip = srs_get_peer_ip(srs_netfd_fileno(stfd));
+    int fd = srs_netfd_fileno(stfd);
+    std::string ip = srs_get_peer_ip(fd);
+    int port = srs_get_peer_port(fd);
+
     if (ip.empty() && !_srs_config->empty_ip_ok()) {
         srs_warn("empty ip for fd=%d", srs_netfd_fileno(stfd));
     }
-    srs_trace("rtsp: serve %s", ip.c_str());
+    srs_trace("rtsp: serve %s:%d", ip.c_str(), port);
     
     // consume all rtsp messages.
     while (true) {
diff --git a/trunk/src/app/srs_app_server.cpp b/trunk/src/app/srs_app_server.cpp
index e164b4c5a..b21d2cd24 100644
--- a/trunk/src/app/srs_app_server.cpp
+++ b/trunk/src/app/srs_app_server.cpp
@@ -1526,6 +1526,7 @@ srs_error_t SrsServer::fd2conn(SrsListenerType type, srs_netfd_t stfd, SrsConnec
     
     int fd = srs_netfd_fileno(stfd);
     string ip = srs_get_peer_ip(fd);
+    int port = srs_get_peer_port(fd);
     
     // for some keep alive application, for example, the keepalived,
     // will send some tcp packet which we cann't got the ip,
@@ -1537,13 +1538,12 @@ srs_error_t SrsServer::fd2conn(SrsListenerType type, srs_netfd_t stfd, SrsConnec
     // check connection limitation.
     int max_connections = _srs_config->get_max_connections();
     if (handler && (err = handler->on_accept_client(max_connections, (int)conns.size())) != srs_success) {
-        return srs_error_wrap(err, "drop client fd=%d, max=%d, cur=%d for err: %s",
-            fd, max_connections, (int)conns.size(), srs_error_desc(err).c_str());
+        return srs_error_wrap(err, "drop client fd=%d, ip=%s:%d, max=%d, cur=%d for err: %s",
+            fd, ip.c_str(), port, max_connections, (int)conns.size(), srs_error_desc(err).c_str());
     }
     if ((int)conns.size() >= max_connections) {
-        return srs_error_new(ERROR_EXCEED_CONNECTIONS,
-            "drop fd=%d, max=%d, cur=%d for exceed connection limits",
-            fd, max_connections, (int)conns.size());
+        return srs_error_new(ERROR_EXCEED_CONNECTIONS, "drop fd=%d, ip=%s:%d, max=%d, cur=%d for exceed connection limits",
+            fd, ip.c_str(), port, max_connections, (int)conns.size());
     }
     
     // avoid fd leak when fork.
@@ -1560,13 +1560,13 @@ srs_error_t SrsServer::fd2conn(SrsListenerType type, srs_netfd_t stfd, SrsConnec
     }
     
     if (type == SrsListenerRtmpStream) {
-        *pconn = new SrsRtmpConn(this, stfd, ip);
+        *pconn = new SrsRtmpConn(this, stfd, ip, port);
     } else if (type == SrsListenerHttpApi) {
-        *pconn = new SrsHttpApi(this, stfd, http_api_mux, ip);
+        *pconn = new SrsHttpApi(this, stfd, http_api_mux, ip, port);
     } else if (type == SrsListenerHttpStream) {
-        *pconn = new SrsResponseOnlyHttpConn(this, stfd, http_server, ip);
+        *pconn = new SrsResponseOnlyHttpConn(this, stfd, http_server, ip, port);
     } else {
-        srs_warn("close for no service handler. fd=%d, ip=%s", fd, ip.c_str());
+        srs_warn("close for no service handler. fd=%d, ip=%s:%d", fd, ip.c_str(), port);
         srs_close_stfd(stfd);
         return err;
     }
diff --git a/trunk/src/app/srs_app_utility.cpp b/trunk/src/app/srs_app_utility.cpp
index dfb845b91..da186efb3 100644
--- a/trunk/src/app/srs_app_utility.cpp
+++ b/trunk/src/app/srs_app_utility.cpp
@@ -1143,6 +1143,28 @@ string srs_get_peer_ip(int fd)
     return std::string(saddr);
 }
 
+int srs_get_peer_port(int fd)
+{
+    // discovery client information
+    sockaddr_storage addr;
+    socklen_t addrlen = sizeof(addr);
+    if (getpeername(fd, (sockaddr*)&addr, &addrlen) == -1) {
+        return 0;
+    }
+
+    int port = 0;
+    switch(addr.ss_family) {
+        case AF_INET:
+            port = ntohs(((sockaddr_in*)&addr)->sin_port);
+         break;
+        case AF_INET6:
+            port = ntohs(((sockaddr_in6*)&addr)->sin6_port);
+         break;
+    }
+
+    return port;
+}
+
 bool srs_is_boolean(string str)
 {
     return str == "true" || str == "false";
diff --git a/trunk/src/app/srs_app_utility.hpp b/trunk/src/app/srs_app_utility.hpp
index 8618c3798..a4a73ef54 100644
--- a/trunk/src/app/srs_app_utility.hpp
+++ b/trunk/src/app/srs_app_utility.hpp
@@ -640,6 +640,7 @@ extern std::string srs_get_local_ip(int fd);
 extern int srs_get_local_port(int fd);
 // Where peer ip is the client public ip which connected to server.
 extern std::string srs_get_peer_ip(int fd);
+extern int srs_get_peer_port(int fd);
 
 // Whether string is boolean
 //      is_bool("true") == true