i have problem in building server in source cod.
2019-06-18 12:11:23 INFO: [d27cab42: teltonika > 66.181.161.70] HEX: 00
2019-06-18 12:11:23 INFO: [d27cab42] disconnected
2019-06-18 12:11:32 INFO: [861a4995] connected
2019-06-18 12:11:33 INFO: [861a4995: teltonika < 66.181.161.70] HEX: 000f333532303933303839363034353634
2019-06-18 12:11:33 WARN: Unknown device - 352093089604564 (66.181.161.70)
2019-06-18 12:11:33 INFO: [861a4995: teltonika > 66.181.161.70] HEX: 00
2019-06-18 12:12:13 INFO: [861a4995] disconnected
Hello i have question about link Localhost. How to change please describe
Thank you