400 Bad Request:The plain HTTP request was sent to HTTPS port
解决方法:
1、分析nginx站点ssl证书部署规则,原本的规则如下
server {
listen 443;
server_name blog.tag.gg;
charset UTF-8;
ssl on;
ssl_certificate /ssl/blog.tag.gg.pem;
ssl_certificate_key /ssl/blog.tag.gg.key;
ssl_session_timeout 5m;
ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE:ECDH:AES:HIGH:!NULL:!aNULL:!MD5:!ADH:!RC4;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
分析上面规则看有启用“ ssl on;”监听设置规则为“ listen 443;”
2、将“ ssl on;”注释掉,将 listen 443;”修改为 “listen 443 ssl;”
修改后的规则如下:
server {
listen 443 ssl;
server_name blog.tag.gg;
charset UTF-8;
#ssl on;
ssl_certificate /ssl/blog.tag.gg.pem;
ssl_certificate_key /ssl/blog.tag.gg.key;
ssl_session_timeout 5m;
ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE:ECDH:AES:HIGH:!NULL:!aNULL:!MD5:!ADH:!RC4;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
修改后记得重载nginx服务使其生效。
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试了上述的方法还是不行,最后检查看看在nginx/vhost目录下有没有别的 xxxhost.conf,真发现一个xxxhost.conf文件里面的可能还是有ssl on在干扰,删除后 nginx -s reload,终于可以了

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