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All,

? I am trying to connect my D-RATS terminal to my Hotspot (Connected to REF 15C) for testing.? I get an error from D-RATS software, stating, "Unable to Connect 10061, connection refused."

? My setup is this:? D-RATS on a WIN7/64 machine(s).

????????????????????????????? Hotspot is a Moencomm GMSK board on a CentOS 5 ircddbgatway system.? Software is current as of 1 Jan 14.

? When I do a?netstat on my CentOS machine I see see this:

Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address?????????????? Foreign Address???????????? State?????? PID/Program name
tcp??????? 0????? 0 0.0.0.0:20011?????????????? 0.0.0.0:*?????????????????? LISTEN????? 9460/ircddbgatewayd
tcp??????? 0????? 0 0.0.0.0:22????????????????? 0.0.0.0:*?????????????????? LISTEN????? 28764/sshd
udp??????? 0????? 0 0.0.0.0:20001?????????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 0.0.0.0:20002?????????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 0.0.0.0:20003?????????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 0.0.0.0:20004?????????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 0.0.0.0:20005?????????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 0.0.0.0:20006?????????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 0.0.0.0:20007?????????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 127.0.0.1:20010???????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 127.0.0.1:20011???????????? 0.0.0.0:*?????????????????????????????? 9490/gmskrepeaterd
udp??????? 0????? 0 127.0.0.1:30001???????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 127.0.0.1:30002???????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 127.0.0.1:30003???????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 127.0.0.1:30004???????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 127.0.0.1:30005???????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 127.0.0.1:30006???????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 127.0.0.1:30007???????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 0.0.0.0:40000?????????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 0.0.0.0:68????????????????? 0.0.0.0:*?????????????????????????????? 1107/dhclient
udp??????? 0????? 0 127.0.0.1:30051???????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 127.0.0.1:30052???????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 127.0.0.1:30053???????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 127.0.0.1:30054???????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 127.0.0.1:30055???????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 127.0.0.1:30056???????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd
udp??????? 0????? 0 127.0.0.1:30057???????????? 0.0.0.0:*?????????????????????????????? 9460/ircddbgatewayd

But when I sniff the line..?? I get this:

14:12:32.926263 IP (tos 0x0, ttl 128, id 21360, offset 0, flags [DF], proto: TCP (6), length: 52) 192.168.10.1.60711 > 192.168.10.35.20003: S, cksum 0x382f (correct), 858919669:858919669(0) win 8192
14:12:32.926328 IP (tos 0x0, ttl? 64, id 0, offset 0, flags [DF], proto: TCP (6), length: 40) 192.168.10.35.20003 > 192.168.10.1.60711: R, cksum 0x98e8 (correct), 0:0(0) ack 858919670 win 0
14:12:33.425765 IP (tos 0x0, ttl 128, id 21362, offset 0, flags [DF], proto: TCP (6), length: 52) 192.168.10.1.60711 > 192.168.10.35.20003: S, cksum 0x382f (correct), 858919669:858919669(0) win 8192
14:12:33.425810 IP (tos 0x0, ttl? 64, id 0, offset 0, flags [DF], proto: TCP (6), length: 40) 192.168.10.35.20003 > 192.168.10.1.60711: R, cksum 0x98e8 (correct), 0:0(0) ack 1 win 0
14:12:33.925712 IP (tos 0x0, ttl 128, id 21364, offset 0, flags [DF], proto: TCP (6), length: 48) 192.168.10.1.60711 > 192.168.10.35.20003: S, cksum 0x4c38 (correct), 858919669:858919669(0) win 8192
14:12:33.925750 IP (tos 0x0, ttl? 64, id 0, offset 0, flags [DF], proto: TCP (6), length: 40) 192.168.10.35.20003 > 192.168.10.1.60711: R, cksum 0x98e8 (correct), 0:0(0) ack 1 win 0

? Looks like D-RATS is trying to connect to the Hotspot on TCP 20003 and the Hotspot is only listening on UDP 20003.

? Any clues??? Any assistance would be greatly appreciated..

--73 de Doug (N1OBU)