Real Port Listening interface

Realport
1

Good Day

I have a digi One SP serial to IP device. I have install the Real Port drivers installed in Windows 10 PC in device-initiated (inbound) mode on port 8771
The Digi One SP device configured as TCP client and set IP address of the Real Port PC host.
But cannot get Digi one to connect, using Putty to test port I cannot connect from another LAN. Can open from the Windows computer itself.
It appear the real port drivers on NOT listening for inbound connecting on all network interfaces
This seems to be confirmed by the netstat output
ctive Connections

Proto Local Address Foreign Address State
TCP 0.0.0.0:135 ZADURD0061:0 LISTENING
TCP 0.0.0.0:445 ZADURD0061:0 LISTENING
TCP 0.0.0.0:1041 ZADURD0061:0 LISTENING
TCP 0.0.0.0:1337 ZADURD0061:0 LISTENING
TCP 0.0.0.0:2179 ZADURD0061:0 LISTENING
TCP 0.0.0.0:2701 ZADURD0061:0 LISTENING
TCP 0.0.0.0:5040 ZADURD0061:0 LISTENING
TCP 0.0.0.0:5985 ZADURD0061:0 LISTENING
TCP 0.0.0.0:6969 ZADURD0061:0 LISTENING
TCP 0.0.0.0:7680 ZADURD0061:0 LISTENING
TCP 0.0.0.0:8081 ZADURD0061:0 LISTENING
TCP 0.0.0.0:8771 ZADURD0061:0 LISTENING
TCP 0.0.0.0:47001 ZADURD0061:0 LISTENING
TCP 0.0.0.0:49664 ZADURD0061:0 LISTENING
TCP 0.0.0.0:49665 ZADURD0061:0 LISTENING
TCP 0.0.0.0:49666 ZADURD0061:0 LISTENING
TCP 0.0.0.0:49667 ZADURD0061:0 LISTENING
TCP 0.0.0.0:60702 ZADURD0061:0 LISTENING
TCP 0.0.0.0:62001 ZADURD0061:0 LISTENING
TCP 10.252.88.138:139 ZADURD0061:0 LISTENING
TCP 10.252.88.138:1098 20.54.36.229:https ESTABLISHED
TCP 10.252.88.138:1114 20.54.36.229:https ESTABLISHED
TCP 10.252.88.138:1138 ec2-18-196-241-73:https ESTABLISHED
TCP 10.252.88.138:1180 ec2-18-158-134-131:https ESTABLISHED
TCP 10.252.88.138:1191 ZA-JNB-ANX-R007:5938 ESTABLISHED
TCP 10.252.88.138:1255 20.50.2.7:https CLOSE_WAIT
TCP 10.252.88.138:15525 mba01s10-in-f10:https ESTABLISHED
TCP 10.252.88.138:15532 eu:https ESTABLISHED
TCP 10.252.88.138:15534 20.42.65.84:https TIME_WAIT
TCP 10.252.88.138:15536 jnb02s11-in-f3:https ESTABLISHED
TCP 10.252.88.138:15543 13.107.136.8:https ESTABLISHED
TCP 10.252.88.138:15544 20.42.65.84:https ESTABLISHED
TCP 10.252.88.138:15549 dedussap0028:https TIME_WAIT
TCP 10.252.88.138:15550 dedussap0028:https TIME_WAIT
TCP 10.252.88.138:15551 usdc1slx2119:8037 SYN_SENT
TCP 10.252.88.138:21490 dedussap0028:10123 ESTABLISHED
TCP 10.252.88.138:24753 GB-LON-ANX-R002:5938 ESTABLISHED
TCP 127.0.0.1:1067 ZADURD0061:0 LISTENING
TCP 127.0.0.1:1088 ZADURD0061:0 LISTENING
TCP 127.0.0.1:1088 ZADURD0061:30030 ESTABLISHED
TCP 127.0.0.1:1094 ZADURD0061:0 LISTENING
TCP 127.0.0.1:1193 ZADURD0061:5939 ESTABLISHED
TCP 127.0.0.1:5939 ZADURD0061:0 LISTENING
TCP 127.0.0.1:5939 ZADURD0061:1193 ESTABLISHED
TCP 127.0.0.1:5939 ZADURD0061:24754 ESTABLISHED
TCP 127.0.0.1:24754 ZADURD0061:5939 ESTABLISHED
TCP 127.0.0.1:24756 ZADURD0061:24757 ESTABLISHED
TCP 127.0.0.1:24757 ZADURD0061:24756 ESTABLISHED
TCP 127.0.0.1:30030 ZADURD0061:1088 ESTABLISHED
TCP 127.0.0.1:37014 ZADURD0061:0 LISTENING
TCP 127.0.0.1:37114 ZADURD0061:0 LISTENING
TCP 172.28.208.1:139 ZADURD0061:0 LISTENING
TCP 192.168.1.110:139 ZADURD0061:0 LISTENING
TCP [::]:135 ZADURD0061:0 LISTENING
TCP [::]:445 ZADURD0061:0 LISTENING
TCP [::]:1041 ZADURD0061:0 LISTENING
TCP [::]:1337 ZADURD0061:0 LISTENING
TCP [::]:2179 ZADURD0061:0 LISTENING
TCP [::]:2701 ZADURD0061:0 LISTENING
TCP [::]:5985 ZADURD0061:0 LISTENING
TCP [::]:6969 ZADURD0061:0 LISTENING
TCP [::]:7680 ZADURD0061:0 LISTENING
TCP [::]:8081 ZADURD0061:0 LISTENING
TCP [::]:47001 ZADURD0061:0 LISTENING
TCP [::]:49664 ZADURD0061:0 LISTENING
TCP [::]:49665 ZADURD0061:0 LISTENING
TCP [::]:49666 ZADURD0061:0 LISTENING
TCP [::]:49667 ZADURD0061:0 LISTENING
TCP [::]:60702 ZADURD0061:0 LISTENING
TCP [::]:62001 ZADURD0061:0 LISTENING
TCP [::1]:42050 ZADURD0061:0 LISTENING
TCP [2001:0:1428:8f18:1c34:5910:658a:5794]:15553 [2001:0:284a:364:203d:57e7:658a:5794]:ms-do SYN_SENT
TCP [2001:0:1428:8f18:1c34:5910:658a:5794]:15554 [2001:0:284a:364:18d1:89b7:658a:5794]:ms-do SYN_SENT
UDP 0.0.0.0:53 :
UDP 0.0.0.0:123 :
UDP 0.0.0.0:500 :
UDP 0.0.0.0:3544 :
UDP 0.0.0.0:3702 :
UDP 0.0.0.0:3702 :
UDP 0.0.0.0:3702 :
UDP 0.0.0.0:3702 :
UDP 0.0.0.0:4500 :
UDP 0.0.0.0:5050 :
UDP 0.0.0.0:5353 :
UDP 0.0.0.0:5353 :
UDP 0.0.0.0:5353 :
UDP 0.0.0.0:5353 :
UDP 0.0.0.0:5353 :
UDP 0.0.0.0:5353 :
UDP 0.0.0.0:5353 :
UDP 0.0.0.0:5353 :
UDP 0.0.0.0:5355 :
UDP 0.0.0.0:8082 :
UDP 0.0.0.0:31400 :
UDP 0.0.0.0:53174 :
UDP 0.0.0.0:58460 :
UDP 0.0.0.0:64751 :
UDP 0.0.0.0:64752 :
UDP 10.252.88.138:137 :
UDP 10.252.88.138:138 :
UDP 10.252.88.138:1900 :
UDP 10.252.88.138:2177 :
UDP 10.252.88.138:5353 :
UDP 10.252.88.138:49265 :
UDP 10.252.88.138:50249 :
UDP 10.252.88.138:51125 :
UDP 10.252.88.138:51547 :
UDP 10.252.88.138:54576 :
UDP 10.252.88.138:60401 :
UDP 10.252.88.138:62695 :
UDP 10.252.88.138:65179 :
UDP 127.0.0.1:1900 :
UDP 127.0.0.1:10010 :
UDP 127.0.0.1:49904 :
UDP 127.0.0.1:51126 :
UDP 127.0.0.1:52164 :
UDP 127.0.0.1:52976 :
UDP 127.0.0.1:54930 :
UDP 127.0.0.1:59200 :
UDP 127.0.0.1:59865 :
UDP 127.0.0.1:61681 :
UDP 127.0.0.1:63224 :
UDP 127.0.0.1:63420 :
UDP 127.0.0.1:63961 :
UDP 172.28.208.1:67 :
UDP 172.28.208.1:68 :
UDP 172.28.208.1:137 :
UDP 172.28.208.1:138 :
UDP 172.28.208.1:1900 :
UDP 172.28.208.1:2177 :
UDP 172.28.208.1:5353 :
UDP 172.28.208.1:51127 :
UDP 192.168.1.110:137 :
UDP 192.168.1.110:138 :
UDP 192.168.1.110:1900 :
UDP 192.168.1.110:2177 :
UDP 192.168.1.110:5353 :
UDP 192.168.1.110:51124 :
UDP 192.168.2.110:2177 :
UDP 192.168.2.110:5353 :
UDP 192.168.12.110:2177 :
UDP 192.168.12.110:5353 :
UDP [::]:123 :
UDP [::]:500 :
UDP [::]:3702 :
UDP [::]:3702 :
UDP [::]:3702 :
UDP [::]:3702 :
UDP [::]:4500 :
UDP [::]:5353 :
UDP [::]:5353 :
UDP [::]:5353 :
UDP [::]:5353 :
UDP [::]:5353 :
UDP [::]:5355 :
UDP [::]:8082 :
UDP [::]:53175 :
UDP [::]:64753 :
UDP [::1]:1900 :
UDP [::1]:5353 :
UDP [::1]:51122 :
UDP [fe80::1c34:5910:658a:5794%11]:546 :
UDP [fe80::2262:da4d:476d:3873%17]:1900 :
UDP [fe80::2262:da4d:476d:3873%17]:2177 :
UDP [fe80::2262:da4d:476d:3873%17]:51121 :
UDP [fe80::7bcc:c54e:33b1:9fa9%14]:1900 :
UDP [fe80::7bcc:c54e:33b1:9fa9%14]:2177 :
UDP [fe80::7bcc:c54e:33b1:9fa9%14]:51120 :
UDP [fe80::c184:dfc8:fa2f:3402%28]:1900 :
UDP [fe80::c184:dfc8:fa2f:3402%28]:2177 :
UDP [fe80::c184:dfc8:fa2f:3402%28]:51123 :

2023-06-09 14_57_40-Window
2023-06-09 14_57_40-Window471×550 53.8 KB

2

Unfortunately, TCP client mode works only for the TCP Raw connection. You can`t use it together with the RealPort service on the host.
Device initiated RealPort feature is intended for a device that can go on the internet, like a router with a cellular interface.
RealPort service on your Windows host listens on all IP addresses, as you can see in your output:
TCP 0.0.0.0:8771 ZADURD0061:0 LISTENING