I checked the ports and the NIU uses a dynamic one. But I cannot recreate the problem at our lab. In the lab, I can get the GICI port up and the MEW working by simply adding these 3 programs to the exceptions list of the firewall:
opi.exe (Operator workstation)
owsuper.exe (OWS Supervisor)
remoteds.exe
But in our customer site, I have also added them, the GICI port as well as all the other programs DNA uses to the exception list. When the firewall is turned ON, the port goes up and down intermittently.
[08/07/31 09:48:05] I7031 - Message From Client 2416: PBX Update
[08/07/31 09:48:05] I7017 - Message To Client 2416: Message ID=6, Status=1
[08/07/31 09:48:05] S3002 - Established Connection 0xd35ab0 To Directory Database Server
[08/07/31 09:48:05] S3008 - PBX Update Activated: Request From Client 2416
[08/07/31 09:48:05] S3003 - Terminated Connection 0xd35ab0 To Directory Database Server
[08/07/31 09:48:05] S3009 - PBX Update Completed Successfully
[08/07/31 09:48:05] I7017 - Message To Client 2416: Message ID=47, Status=1
[08/07/31 09:48:05] I7293 - PBX Update End Of Event Signal
[08/07/31 09:48:05] I7182 - Message To GICI/CSTA ERICSSON1 Communication Port [DNA-SERVER2]NIU<==>5005: \0x01030\0x0202\0x0D\0x0A
[08/07/31 09:48:10] I7195 - Retransmit Message #1 To GICI/CSTA ERICSSON1 Communication Port [DNA-SERVER2]NIU<==>5005: \0x01030\0x0202\0x0D\0x0A
[08/07/31 09:48:15] W9999 - Port0 does not receive heartbeat event for more than 5 minites. This port will be closed
[08/07/31 09:48:15] F4027 - NIU Connection GICI/CSTA ERICSSON1 On [DNA-SERVER2]NIU<==>5005 With Client [172.20.18.1]NIU<==>9507 Has Been Terminated
[08/07/31 09:48:15] E1194 - Failed To Read From GICI/CSTA ERICSSON1 Communication Port [DNA-SERVER2]NIU<==>5005
[08/07/31 09:48:15] E1076 - Message From GICI/CSTA ERICSSON1 Communication Port [DNA-SERVER2]NIU<==>5005: GICI/CSTA Port is Down
[08/07/31 09:48:15] I7018 - Broadcast To Clients: Message ID=9, Port=[DNA-SERVER2]NIU<==>5005, Status=2, PortID=1
[08/07/31 09:48:16] S3065 - Established TCP/IP Connection GICI/CSTA ERICSSON1 On [DNA-SERVER2]NIU<==>5005 With Client [172.20.18.1]NIU<==>9509
[08/07/31 09:48:16] S3006 - Message From GICI/CSTA ERICSSON1 Communication Port [DNA-SERVER2]NIU<==>5005: GICI/CSTA Port is Up
Only with the firewall turned OFF does it work fine or normally.
[08/07/31 10:45:06] I7354 - Message From Client 2972: Message Query Request; server_name=DNA-SERVER2, received_recID=19
[08/07/31 10:45:06] I7017 - Message To Client 2972: Message ID=97, Status=1
[08/07/31 10:45:20] I7355 - Message From Client 2972: Message Add Request; server_name=DNA-SERVER2, msg_text=test @ 10:45 while firewall is off, cancel_text=, phone=, status=1, when_received=1217472306, oper_msg_recID=0, received_recID=19, options=0, operatorID=city
[08/07/31 10:45:20] I7017 - Message To Client 2972: Message ID=97, Status=1
[08/07/31 10:45:20] I7132 - Local Database Update Event Signal
[08/07/31 10:45:20] I7128 - Broadcast To Clients: Message ID=7, TableID=1, RecordID=19, Update Type=8
[08/07/31 10:45:20] I7296 - Local Database Update End Of Event Signal
[08/07/31 10:45:20] I7182 - Message To GICI/CSTA ERICSSON1 Communication Port [DNA-SERVER2]NIU<==>5005: \0x01008\0x0206688702\0x0D\0x0A
[08/07/31 10:45:20] I9999 - Read data from GICI/CSTA ERICSSON1 Communication Port [DNA-SERVER2]NIU<==>5005 - SUCCESS
[08/07/31 10:45:20] I7194 - Message From GICI/CSTA ERICSSON1 Communication Port [DNA-SERVER2]NIU<==>5005; \0x01008\0x0293\0x0D\0x0A
[08/07/31 10:45:22] I9999 - Read data from GICI/CSTA ERICSSON1 Communication Port [DNA-SERVER2]NIU<==>5005 - SUCCESS
[08/07/31 10:45:22] I7260 - Message From GICI/CSTA ERICSSON1 Communication Port [DNA-SERVER2]NIU<==>5005: \0x01028\0x0298\0x0D\0x0A
[08/07/31 10:45:22] I7182 - Message To GICI/CSTA ERICSSON1 Communication Port [DNA-SERVER2]NIU<==>5005: \0x01028\0x0293\0x0D\0x0A
[08/07/31 10:45:22] I7182 - Message To GICI/CSTA ERICSSON1 Communication Port [DNA-SERVER2]NIU<==>5005: \0x01009\0x0299\0x0D\0x0A
[08/07/31 10:45:22] I9999 - Read data from GICI/CSTA ERICSSON1 Communication Port [DNA-SERVER2]NIU<==>5005 - SUCCESS
[08/07/31 10:45:22] I7194 - Message From GICI/CSTA ERICSSON1 Communication Port [DNA-SERVER2]NIU<==>5005; \0x01009\0x0293\0x0D\0x0A
[08/07/31 10:45:33] I7357 - Message From Client 2972: Message Delete Request; server_name=DNA-SERVER2, recordID=2330, received_recID=19
[08/07/31 10:45:33] I7017 - Message To Client 2972: Message ID=97, Status=1
[08/07/31 10:45:33] I7132 - Local Database Update Event Signal
[08/07/31 10:45:33] I7128 - Broadcast To Clients: Message ID=7, TableID=1, RecordID=19, Update Type=8
[08/07/31 10:45:33] I7296 - Local Database Update End Of Event Signal
[08/07/31 10:45:33] I7182 - Message To GICI/CSTA ERICSSON1 Communication Port [DNA-SERVER2]NIU<==>5005: \0x01010\0x0207688702\0x0D\0x0A
[08/07/31 10:45:33] I9999 - Read data from GICI/CSTA ERICSSON1 Communication Port [DNA-SERVER2]NIU<==>5005 - SUCCESS
[08/07/31 10:45:33] I7194 - Message From GICI/CSTA ERICSSON1 Communication Port [DNA-SERVER2]NIU<==>5005; \0x01010\0x0293\0x0D\0x0A