yum update yum install wget tar make gcc perl pcre-devel zlib-devel wget https://www.openssl.org/source/openssl-1.1.1l.tar.gz tar zxvf openssl-1.1.1l.tar.gz cd openssl-1.1.1l ./config --prefix=/usr --openssldir=/etc/ssl --libdir=lib no-shared zlib-dynamic make make install export LD_LIBRARY_PATH=/usr/local/lib:/usr/local/lib64 echo “export LD_LIBRARY_PATH=/usr/local/lib:/usr/local/lib64” >> ~/.bashrc openssl version 就可以看到已经升级为OpenSSL 1.1.1了

openssl version -a cp /etc/pki/tls/cert.pem /usr/local/openssl/

OPENSSLDIR: “/etc/ssl” ENGINESDIR: “/usr/lib/engines-1.1”

报错信息：The SSL connection could not be established, see inner exception.

看起来是SSL的问题，查了下资料和服务器安装了 OpenSSL 有关，直接拷贝一份证书过去，问题即可解决，执行以下linux命令即可：

cp /etc/pki/tls/cert.pem /usr/local/openssl/ 然后重启你的.net core应用即可。

https://blog.csdn.net/BADAO_LIUMANG_QIZHI/article/details/117136503

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