SSL 3 is dead, killed by the POODLE attack

Caranya ubah konfigurasi SSL webserver

SSLProtocol all -SSLv2 -SSLv3


Let’s Encrypt SSL Certificate di Webserver NGINX (Ubuntu & Debian)

apt-get -y install git
cd /usr/local/
git clone
git clone
cd /usr/local/certbot/
./certbot-auto certonly –agree-tos –rsa-key-size 4096 –renew-by-default -m –webroot -w /var/www/ -d –renew-by-default


– Congratulations! Your certificate and chain have been saved at
/etc/letsencrypt/live/ Your cert
will expire on 2016-10-20. To obtain a new or tweaked version of
this certificate in the future, simply run certbot-auto again. To
non-interactively renew *all* of your certificates, run
“certbot-auto renew”
– If you lose your account credentials, you can recover through
e-mails sent to
– Your account credentials have been saved in your Certbot
configuration directory at /etc/letsencrypt. You should make a
secure backup of this folder now. This configuration directory will
also contain certificates and private keys obtained by Certbot so
making regular backups of this folder is ideal.
– If you like Certbot, please consider supporting our work by:

Donating to ISRG / Let’s Encrypt:
Donating to EFF:


Konfigurasi di Webserver NGINX

vi /etc/nginx/sites-available/default

ssl on;
ssl_certificate /etc/letsencrypt/live/;
ssl_certificate_key /etc/letsencrypt/live/;
ssl_session_timeout 5m;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
ssl_prefer_server_ciphers on;
ssl_dhparam /etc/nginx/ssl/dhparams.pem;

mkdir /etc/nginx/ssl
cd /etc/nginx/ssl
openssl dhparam -out dhparams.pem 2048
/etc/init.d/nginx restart

Kemudian testing SSL di

Error apache2 SSL23_GET_SERVER_HELLO

Jika terdapat error pada apache2 pada HTTPS port 443

error:140770FC:SSL routines:SSL23_GET_SERVER_HELLO:unknown protocol

atau error seperti ini




Ubah konfigurasi /etc/apache2/sites-available/default

<VirtualHost *>
DocumentRoot /var/www/

menjadi seperti dibawah

<VirtualHost *:80>
DocumentRoot /var/www/

Error SSL-Explorer

Jika terdapat error

Unable to compile class for JSP


1 error


java -version

rm sslexplorer-1.0.0_RC17/sslexplorer/lib/tools.jar

cp /usr/lib/jvm/java-6-sun- sslexplorer-1.0.0_RC17/sslexplorer/lib/.


Tinggal pointing browser ke http://server:28080/ lakukan install