Error in TCP non-blocking connect() 111 - Connection refused. Host hgdownload.soe.ucsc.edu IP 128.114.119.163 port 443. netConnect() failed Couldn't open https://hgdownload.soe.ucsc.edu/hubs/GCF/000/523/455/GCF_000523455.1/GCF_000523455.1.chromAlias.bb