Curl (56) received http code 407 from proxy after connect July 8, 2019 16 32 64 128 Curl (56) received http code 407 from proxy after connect linux Curl (56) received http code 407 from proxy after connect redhat Curl (56) received http code 407 from proxy after connect windows Curl error 56 received http code 407 from proxy after connect Curl (56) received http code 407