FTP is a very insecure protocol because all passwords and all data are transferred in clear text. By using TLS, the whole communication can be encrypted, thus making FTP much more secure. This article explains how to set up ProFTPd with TLS on an Ubuntu 11.04 server.
Read more »How To Set Up SSL Vhosts Under Nginx + SNI Support (Ubuntu 11.04/Debian Squeeze)
http://www.howtoforge.com –
This article explains how you can set up SSL vhosts under nginx on Ubuntu 11.04 and Debian Squeeze so that you can access the vhost over HTTPS (port 443). SSL is short for Secure Sockets Layer and is a cryptographic protocol that provides security for communications over networks by encrypting segments of network connections at the transport layer end-to-end.
Read more »Thunderbird Secure Connections Using Postfix
http://postfixmail.com –
Client configuration can be just as big of problem as the set up for the server. One of the problems is that not all clients, both Linux and Windows, are capable of handling TLS or SMTP AUTH. That is getting better but it is still a problem. One great alternative client is Thunderbird, Icedove if you are on Debian.
Read more »Ubuntu 9.10 Course: Secure The Ubuntu Mail Server
http://beginlinux.com –
This Ubuntu 9.10 Mini-Course will help you set up a secure an Ubuntu 9.10 Server using Postifx, Dovecot and Thunderbird with TLS and SMTP AUTH. The goal of this configuration is to create a secure mail server using encrypted communication to retrieve mail and to send mail through your mail server.
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SquirrelMail and TLS
http://postfixmail.com –
In order to have TLS work with SquirrelMail you need to start the configuration script at /usr/share/squirrelmail/config/conf.pl When the script opens choose “Server Settings” and then edit the IMAP port settings and change them from port 143 to port 993.
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Send comments opposing TLS-authz standard by February 11
http://www.fsf.org –
«...Much of the communication on the Internet happens between computers according to standards that define common languages. If we are going to live in a free world using free software, our software must be allowed to speak these languages.
Read more »GnuTLS 2.6.3
http://article.gmane.org –
"We are proud to announce a new stable GnuTLS release: Version 2.6.3. GnuTLS is a modern C library that implement the standard network
security protocol Transport Layer Security (TLS), for use by network
applications. GnuTLS is developed for GNU/Linux, but works on many
Unix-like systems..."
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GNU TLS preferred instead of OpenSSL
http://planet.gnu.org –
"Today I finally decided to work out this element of our task list. We are happy that now MyServer can be distributed under the GPLv3 terms license without any exception. Previously we were using OpenSSL for the HTTPS protocol, it was giving us some licensing troubles as we needed to add an exception to the original GPLv3 license..."
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GnuTLS 2.0.4
http://groups.google.com –
"This is a minor bug fix release. GnuTLS is a modern C library that implement the standard network security protocol Transport Layer Security (TLS), for use by network
applications. GnuTLS is developed for GNU/Linux, but works on many Unix-like systems..."
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