In this video, Chaim Krause discusses DNS-based authentication of named entities and using self-signed x.509 certificates that are bound to a DNSSEC record instead of a certification authority.
- [Instructor] DANE, DNS-based authentication…of named entities.…This is the latest attempt…in cutting down the amount of spoofed emails.…Tack that's being taken here…is to make it easier to produce your own…x.509 certificates by stating in your DNS records…using DNSSEC so that certificate authorities…don't have to be involved.…Certificate authorities have served us well,…but we've also seen several security incidents…where people are able to make certificates…that have been spoofed…by getting access to root certificates.…
So, this makes it easier to work with…self-signed certificates,…and then you get all the benefits…that come with a certificate.…Information can be found in RFC 6698.…There really isn't a good…single source of information on this,…so what I've done is provided you…with the information to the email archives…of the working group, which is still active.…It's probably the best source for information on this topic.…What does it look like?…It allows an email server…to generate its own x.509 certificate,…
- Reviewing the components of email delivery
- Sending mail with Postfix internally and externally
- Configuring TLS, SASL, and an email client
- Installing database tools
- Creating virtual domains, users, and aliases
- Exploring greylisting with Postgrey
- Installing and configuring spam tools
- Reviewing DNS-based protection against spammers
Skill Level Intermediate
Linux: Multitasking at the Command Linewith Scott Simpson39m 1s Intermediate
Linux: Desktops and Remote Accesswith Grant McWilliams1h 44m Intermediate
1. Basic Setup
2. Going Beyond Basic Services
3. Agent-Based Protection Against Spammers
4. DNS-Based Protection Against Spammers
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