Posts Tagged “TLS”

Recently while working on a CentOS Linux server I downgraded Ruby version 1.8.7 p302 to Ruby version 1.8.6 p399 because of a project that was built for Ruby 1.8.6. The server is a development CentOS Linux server with numerous other projects already operational on it and so downgrading Ruby caused a couple issues one of which was with Redmine project management software. The issue was with sending email notifications for things such as file uploads, added issues, issue updates, etc. Below I describe the error in more detail, the reason for the error, and how to resolve the error sending email notifications.

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Follow the below instructions to have your Redmine application send email using TLS through Gmail. As long as you have a Gmail account you will be able to send mail through smtp.gmail.com.

  1. Install TLS: First install TLS for the Redmine project. Login to the server with the user that runs Redmine and issue the below command from the Redmine project root directory to install TLS.
    ./script/plugin install http://svn.douglasfshearer.com/rails/plugins/action_mailer_optional_tls
    
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Use lftp for Linux command line FTP with explicit TLS/SSL. I was still having trouble though with lftp and implicit TLS/SSL. Below is the command to use lftp to connect to an FTP server that requires an explicit TLS/SSL.

Command:
lftp -du user,password ftp.example.com

 

You should see the below after connecting. Type ls to see if you get a directory listing and everything has worked.
lftp user@ftp.example.com:~> ls

Thats pretty much it. I will post in the future about lftp and implicit TLS/SSL connections.

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