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Stunnel configuration example using Telnet: Difference between revisions

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Using these commands update your Ubuntu's package list and also upgrade the existing packages to the latest version:
Using these commands update your Ubuntu's package list and also upgrade the existing packages to the latest version:
''apt-get update''   
 
''apt-get upgrade''   
''apt-get update''   
''apt-get upgrade''   




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Install Stunnel package using the code below:
Install Stunnel package using the code below:
  ''apt-get install stunnel4 -y''
   
''apt-get install stunnel4 -y''




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Stunnel configures itself using a file named '''stunnel.conf''' which by default is located in '''/etc/stunnel'''.
Stunnel configures itself using a file named '''stunnel.conf''' which by default is located in '''/etc/stunnel'''.
Create a '''stunnel.conf''' file in the /etc/stunnel directory.
Create a '''stunnel.conf''' file in the /etc/stunnel directory.
  ''nano /etc/stunnel/stunnel.conf''  
   
''nano /etc/stunnel/stunnel.conf''  


Next, specify a service for use with stunnel. Here, it will work as client so file should look like this:
Next, specify a service for use with stunnel. Here, it will work as client so file should look like this:
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Stunnel uses SSL certificate to secure its connections, which you can easily create using the commands:
Stunnel uses SSL certificate to secure its connections, which you can easily create using the commands:


''openssl genrsa -out key.pem 2048''   
''openssl genrsa -out key.pem 2048''   
''openssl req -new -x509 -key key.pem -out cert.pem -days 1095''
''openssl req -new -x509 -key key.pem -out cert.pem -days 1095''




and then create file stunnel.pem
and then create file stunnel.pem
  ''nano /etc/stunnel/stunnel.pem''
   
''nano /etc/stunnel/stunnel.pem''




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restart the stunnel configuration using the command:   
restart the stunnel configuration using the command:   
  ''/etc/init.d/stunnel4 restart''  
   
''/etc/init.d/stunnel4 restart''