nginx ssl handshake failed

nginx와 tomcat 웹/앱을 서비스하고있습니다

최근 크롬브라우저, 안드로이드 웹뷰에서

크롬: "서버에서 잘못된 응답을 전송했습니다", 

웹뷰: "웹페이지를 사용할 수 없음" 

둘다 SSL_PROTOCOL_ERROR 가 나타납니다.

에러내용: 

/var/log/nginx/error.log

---------------------

SSL_do_handshake() failed (SSL: error:14094085:SSL routines:SSL3_READ_BYTES:ccs received early) while SSL handshaking, client: 64.41.200.107, server: 0.0.0.0:443

SSL_read() failed (SSL: error:1408F092:SSL routines:SSL3_GET_RECORD:data length too long) while waiting for request, client: 64.41.200.107, server: 0.0.0.0:443

---------------------

nginx.conf

---------------------

server {

        listen       443 ssl;

        server_name  domain;

        ssl on;

        ssl_certificate       /etc/nginx/ssl/cert.pem;

        ssl_certificate_key   /etc/nginx/ssl/cert.pem;

        ssl_password_file     /etc/nginx/ssl/cert.pass;

        client_max_body_size 20M;

        client_body_buffer_size 10M;

        ssl_session_timeout  30m;

        ssl_protocols TLSv1.2;

        ssl_ciphers HIGH:!aNULL:!MD5:!RC4;

        ssl_prefer_server_ciphers   on;

        location / {

                proxy_pass http://domain:port/;

                proxy_max_temp_file_size 0;

                proxy_buffering off;

        }

        error_page 403 404 500 502 503 504 /50x.html;

        location = /50x.html {

                root /home/project/tomcat/;

                internal;

        }

}

server {

        listen 80;

        server_name domain;

        root /home/project/tomcat/www/;

        client_max_body_size 20M;

        client_body_buffer_size 10M;

        location / {

                proxy_pass http://domain:port/;

        }

        error_page 403 404 500 502 503 504 /50x.html;

        location = /50x.html {

                root /home/project/tomcat/;

                internal;

        }

        return 301 https://domain;

}

---------------------

추가정보

OS: CentOS release 6.6

nginx -v: nginx/1.10.2

SSL: Sectigo RSA Domain Validation Secure Server CA