Kategoriarkiv: Kryptering

How to make courier SSL certificates.

See http://milliwaysconsulting.net/support/systems/courier-ssl.html for original version. We use courier imap for imap and pop connectivity. After a standard install you have to use ‘mkimapdcert’ and ‘mkpop3dcert’ to generate the SSL certificates. This will cause clients (such as outlook) to present the … Læs resten

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Opportunistic Encryption with FreeS/WAN

Use FreeS/WAN and DNS TXT records to automatically create encrypted connections between machines. One particularly cool feature supported by FreeS/WAN [Hack #67] is opportunistic encryption with other hosts running FreeS/WAN. This allows FreeS/WAN to transparently encrypt traffic between all hosts … Læs resten

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Set UP TLS-enabled SMTP (encryption)

Protect your users’ in-transit email from eavesdroppers. If you have set up encrypted POP and IMAP services [Hack #47], your users’ incoming email is protected from others once it reaches your servers, but what about their outgoing email? You can … Læs resten

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Distribute your CA to clients

Be sure all of your clients trust your new Certificate Authority. Once you have created a Certificate Authority (CA) [Hack #45], any certificates that are signed by your CA will be trusted by any program that trusts your CA. To … Læs resten

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Create your own certificate authority

Sign your own certificates to use in securing your network. SSL certificates are usually thought of as being used for secure communications over the HTTP protocol. However, they are also useful in providing both a means for authentication and a … Læs resten

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