Local network deployment: Unable to publish from machine A to B (on local network) using webrtc test tool

[hd51515]

Configuration:
AntMedia server enterprise edition running on 192.168.20.173.
Able to publish from the same machine using ./run.sh -f test.mp4 -m publisher -n 2 -r true -s 192.168.20.173
(dashboard update shows 2 streams)
unable to publish another machine on the same network with 192.168.20.167. I made sure both machines can ping each other

here is the log from machine with ip 192.168.20.167
Duration: 00:02:26.41, start: 0.000000, bitrate: 876 kb/s
Stream #0:00x1: Video: h264 (Constrained Baseline) (avc1 / 0x31637661), yuv420p(progressive), 640x360 [SAR 1:1 DAR 16:9], 777 kb/s, 25 fps, 25 tbr, 12800 tbn (default)
Metadata:
handler_name : VideoHandler
vendor_id : [0][0][0][0]
Stream #0:10x2: Audio: opus (Opus / 0x7375704F), 48000 Hz, stereo, fltp, 90 kb/s (default)
Metadata:
handler_name : SoundHandler
vendor_id : [0][0][0][0]
17:33:13.156 [pool-3-thread-1] INFO org.webrtc.Logging - Tag:NativeLibrary - Message:Loading native library: jingle_peerconnection_so
17:33:13.159 [pool-3-thread-1] INFO org.webrtc.Logging - Tag:NativeLibrary - Message:Loading library: jingle_peerconnection_so
17:33:13.160 [pool-3-thread-1] INFO org.webrtc.Logging - Tag:PeerConnectionFactory - Message:PeerConnectionFactory was initialized without an injected Loggable. Any existing Loggable will be deleted.
17:33:13.164 [pool-3-thread-1] INFO org.webrtc.Logging - Tag:JavaAudioDeviceModule - Message:createAudioDeviceModule
17:33:13.164 [pool-3-thread-1] INFO org.webrtc.Logging - Tag:JavaAudioDeviceModule - Message:HW NS will not be used.
17:33:13.164 [pool-3-thread-1] INFO org.webrtc.Logging - Tag:JavaAudioDeviceModule - Message:HW AEC will not be used.
17:33:13.173 [pool-3-thread-1] INFO io.antmedia.webrtctest.WebRTCManager - Creating peerconnection hascode:2040130418 time:1683840793173
17:33:13.175 [network_thread - 213349] INFO io.antmedia.webrtctest.WebRTCManager - onRenegotiationNeeded for stream Id myStream-0
17:33:13.176 [network_thread - 213349] INFO io.antmedia.webrtctest.WebRTCManager - onRenegotiationNeeded for stream Id myStream-0
Leaving main method
7:33:23.171 [pool-2-thread-1] INFO io.antmedia.webrtctest.StatManager - stats : Number of Clients:0 Active Connections:0 Dropped Connections:0 Received Min frame period:2147483647ms, Max frame period: -2147483648ms, Mean frame period:0ms, cpu load: %-1 time: 1683840803 hash: 1645005737
17:33:23.171 [pool-2-thread-1] INFO io.antmedia.webrtctest.StatManager - Seems all streams are stopped and breaking the stats loop hash: 1645005737
17:33:33.172 [pool-2-thread-1] INFO io.antmedia.webrtctest.StatManager - stats : Number of Clients:0 Active Connections:0 Dropped Connections:0 Received Min frame period:2147483647ms, Max frame period: -2147483648ms, Mean frame period:0ms, cpu load: %-1 time: 1683840813 hash: 1645005737
17:33:33.172 [pool-2-thread-1] INFO io.antmedia.webrtctest.StatManager - Seems all streams are stopped and breaking the stats loop hash: 1645005737
17:33:43.172 [pool-2-thread-1] INFO io.antmedia.webrtctest.StatManager - stats : Number of Clients:0 Active Connections:0 Dropped Connections:0 Received Min frame period:2147483647ms, Max frame period: -2147483648ms, Mean frame period:0ms, cpu load: %-1 time: 1683840823 hash: 1645005737
17:33:43.173 [pool-2-thread-1] INFO io.antmedia.webrtctest.StatManager - Seems all streams are stopped and breaking the stats loop hash: 1645005737
17:33:53.174 [pool-2-thread-1] INFO io.antmedia.webrtctest.StatManager - stats : Number of Clients:0 Active Connections:0 Dropped Connections:0 Received Min frame period:2147483647ms, Max frame period: -2147483648ms, Mean frame period:0ms, cpu load: %-1 time: 1683840833 hash: 1645005737
17:33:53.174 [pool-2-thread-1] INFO io.antmedia.webrtctest.StatManager - Seems all streams are stopped and breaking the stats loop hash: 1645005737
17:34:03.174 [pool-2-thread-1] INFO io.antmedia.webrtctest.StatManager - stats : Number of Clients:0 Active Connections:0 Dropped Connections:0 Received Min frame period:2147483647ms, Max frame period: -214748

[hd51515]

resolved after disabling ufw firewall on machine A (sudo disable dfw)