You should be redirected automatically to target URL: https://repo.ito.gov.ir/kubernetes/yum/repos/kubernetes-el7-aarch64/Packages/5c06d6f68f2a995ae9b1121a4d62ed56fd20c0d268f9c8ad664efc87baf41495-kubectl-1.17.5-0.aarch64.rpm. If not click the link.