diff --git a/plugins/publish/publish_node.cpp b/plugins/publish/publish_node.cpp
index d88a754..b5a39e2 100644
--- a/plugins/publish/publish_node.cpp
+++ b/plugins/publish/publish_node.cpp
@@ -37,6 +37,7 @@ inline int Align16(int v) { return (v + 15) & ~15; }
 
 struct OutputConfig {
     std::string proto = "rtsp";  // rtsp | hls
+    std::string host = "127.0.0.1"; // rtsp server host to publish to
     int port = 8554;
     std::string path = "/live/stream";  // rtsp: url path; hls: dir or m3u8 path
     int segment_sec = 2;
@@ -252,9 +253,10 @@ private:
 
     std::string BuildUrl(const OutputConfig& cfg) const {
         if (proto_ == "hls") return cfg.path;
+        std::string host = cfg.host.empty() ? "127.0.0.1" : cfg.host;
         std::string path = cfg.path;
         if (path.empty() || path[0] != '/') path = "/" + path;
-        return "rtsp://0.0.0.0:" + std::to_string(cfg.port) + path;
+        return "rtsp://" + host + ":" + std::to_string(cfg.port) + path;
     }
 
     OutputConfig cfg_;
@@ -602,6 +604,7 @@ public:
                 if (!o.IsObject()) continue;
                 OutputConfig cfg;
                 cfg.proto = o.ValueOr<std::string>("proto", cfg.proto);
+                cfg.host = o.ValueOr<std::string>("host", cfg.host);
                 cfg.port = o.ValueOr<int>("port", cfg.port);
                 cfg.path = o.ValueOr<std::string>("path", cfg.path);
                 cfg.segment_sec = o.ValueOr<int>("segment_sec", cfg.segment_sec);