diff --git a/go.mod b/go.mod
index 60d3f89e..29dc1cda 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.15
 require (
 	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 // indirect
 	github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d // indirect
-	github.com/aler9/gortsplib v0.0.0-20210530105246-d07e93f2453e
+	github.com/aler9/gortsplib v0.0.0-20210603214139-363871d65898
 	github.com/asticode/go-astits v0.0.0-00010101000000-000000000000
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/fsnotify/fsnotify v1.4.9
diff --git a/go.sum b/go.sum
index 7485b5fc..a7882e5f 100644
--- a/go.sum
+++ b/go.sum
@@ -4,8 +4,8 @@ github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d h1:UQZhZ2O0vMHr2c
 github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d/go.mod h1:rBZYJk541a8SKzHPHnH3zbiI+7dagKZ0cgpgrD7Fyho=
 github.com/aler9/go-astits v0.0.0-20210423195926-582b09ed7c04 h1:CXgQLsU4uxWAmsXNOjGLbj0A+0IlRcpZpMgI13fmVwo=
 github.com/aler9/go-astits v0.0.0-20210423195926-582b09ed7c04/go.mod h1:DkOWmBNQpnr9mv24KfZjq4JawCFX1FCqjLVGvO0DygQ=
-github.com/aler9/gortsplib v0.0.0-20210530105246-d07e93f2453e h1:RlEDgRKJHw0Z07FfsUnuZiqk2lwFwxONXlmiSQCjJrU=
-github.com/aler9/gortsplib v0.0.0-20210530105246-d07e93f2453e/go.mod h1:zVCg+TQX445hh1pC5QgAuuBvvXZMWLY1XYz626dGFqY=
+github.com/aler9/gortsplib v0.0.0-20210603214139-363871d65898 h1:Qw3xa+fdWVF0eHhZ/ntET1q24y5uynLFIllYAWbkeTU=
+github.com/aler9/gortsplib v0.0.0-20210603214139-363871d65898/go.mod h1:zVCg+TQX445hh1pC5QgAuuBvvXZMWLY1XYz626dGFqY=
 github.com/aler9/rtmp v0.0.0-20210403095203-3be4a5535927 h1:95mXJ5fUCYpBRdSOnLAQAdJHHKxxxJrVCiaqDi965YQ=
 github.com/aler9/rtmp v0.0.0-20210403095203-3be4a5535927/go.mod h1:vzuE21rowz+lT1NGsWbreIvYulgBpCGnQyeTyFblUHc=
 github.com/asticode/go-astikit v0.20.0 h1:+7N+J4E4lWx2QOkRdOf6DafWJMv6O4RRfgClwQokrH8=
diff --git a/internal/conf/path.go b/internal/conf/path.go
index 78a73671..024d1998 100644
--- a/internal/conf/path.go
+++ b/internal/conf/path.go
@@ -72,6 +72,7 @@ type PathConf struct {
 	Source                     string                    `yaml:"source"`
 	SourceProtocol             string                    `yaml:"sourceProtocol"`
 	SourceProtocolParsed       *gortsplib.StreamProtocol `yaml:"-" json:"-"`
+	SourceAnyPortEnable        bool                      `yaml:"sourceAnyPortEnable"`
 	SourceFingerprint          string                    `yaml:"sourceFingerprint" json:"sourceFingerprint"`
 	SourceOnDemand             bool                      `yaml:"sourceOnDemand"`
 	SourceOnDemandStartTimeout time.Duration             `yaml:"sourceOnDemandStartTimeout"`
diff --git a/internal/path/path.go b/internal/path/path.go
index ce4125d8..0adbbe71 100644
--- a/internal/path/path.go
+++ b/internal/path/path.go
@@ -329,6 +329,7 @@ func (pa *Path) startExternalSource() {
 			pa.ctx,
 			pa.conf.Source,
 			pa.conf.SourceProtocolParsed,
+			pa.conf.SourceAnyPortEnable,
 			pa.conf.SourceFingerprint,
 			pa.readTimeout,
 			pa.writeTimeout,
diff --git a/internal/rtspsource/source.go b/internal/rtspsource/source.go
index 8484e6e0..b312d41d 100644
--- a/internal/rtspsource/source.go
+++ b/internal/rtspsource/source.go
@@ -34,6 +34,7 @@ type Parent interface {
 type Source struct {
 	ur              string
 	proto           *gortsplib.StreamProtocol
+	anyPortEnable   bool
 	fingerprint     string
 	readTimeout     time.Duration
 	writeTimeout    time.Duration
@@ -52,6 +53,7 @@ func New(
 	ctxParent context.Context,
 	ur string,
 	proto *gortsplib.StreamProtocol,
+	anyPortEnable bool,
 	fingerprint string,
 	readTimeout time.Duration,
 	writeTimeout time.Duration,
@@ -65,6 +67,7 @@ func New(
 	s := &Source{
 		ur:              ur,
 		proto:           proto,
+		anyPortEnable:   anyPortEnable,
 		fingerprint:     fingerprint,
 		readTimeout:     readTimeout,
 		writeTimeout:    writeTimeout,
@@ -153,6 +156,7 @@ func (s *Source) runInner() bool {
 		WriteTimeout:    s.writeTimeout,
 		ReadBufferCount: s.readBufferCount,
 		ReadBufferSize:  s.readBufferSize,
+		AnyPortEnable:   s.anyPortEnable,
 		OnRequest: func(req *base.Request) {
 			s.log(logger.Debug, "c->s %v", req)
 		},
diff --git a/rtsp-simple-server.yml b/rtsp-simple-server.yml
index 6796851c..bed3e5c8 100644
--- a/rtsp-simple-server.yml
+++ b/rtsp-simple-server.yml
@@ -119,6 +119,11 @@ paths:
     # the tcp protocol can help to overcome the error "no UDP packets received recently".
     sourceProtocol: automatic
 
+    # if the source is an RTSP or RTSPS URL, this allows to support cameras that
+    # don't provide server ports. This is a security issue and must be enabled only
+    # when interacting with old cameras that require it.
+    sourceAnyPortEnable: no
+
     # if the source is an RTSPS URL, the fingerprint of the certificate of the source
     # must be provided in order to prevent man-in-the-middle attacks.
     # it can be obtained from the source by running: