Archive | Partners

Optimizing Zimbra security and TLS settings via a script (updated May 2024)

A partner has requested a script to implement the Security tips and TLS settings documented at https://wiki.zimbra.com/wiki/Cipher_suites and https://wiki.zimbra.com/wiki/Secopstips . At Zimbra we love scripts! This article shows a script that configures Zimbra with strong TLS and security settings. Prerequisites You have set up a correct hostname and DNS, to check, run the following as […]

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Did you know? Zimbra HTTP Strict Transport Security (HSTS)

The HTTP Strict-Transport-Security response header (often abbreviated as HSTS) informs browsers that the site should only be accessed using HTTPS, and that any future attempts to access it using HTTP should automatically be converted to HTTPS. What does HSTS do for improving security? You have HSTS configured on Zimbra and have configured a correct TLS […]

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