Zimbra memcached may face the “memcrashd” attack on port 11211. By default, memcached listens on a server IP address that is accessible on the network and via the internet if there is no firewall. If your Zimbra memcache servers are behind a firewall, we recommend blocking access on port 11211 from the Internet to Zimbra […]
Archive | Security & Privacy
Personal Email Security — More Important than Ever!
Do you access your email via Wi-Fi? Most of us do. You probably also use WPA2 as the safety protocol for your Wi-Fi network(s) because it’s the industry standard. We all think that reading and sending email via Wi-Fi is generally safe and secure, but the recent KRACK attacks will give you something new to think […]
Email’s Open Source Renaissance – It’s Time to Expect More
Do you think that email is fading as a communication tool? Think again! Contrary to popular opinion, email is not only still relevant—it’s growing. This whitepaper describes how email providers need to step up and close a yawning innovation gap to meet these demanding consumer expectations: Enterprise-strength privacy and security Cutting-edge functionality All delivered via […]
ClamAV v0.97 included in ZCS 8.0.6 and below tags all messages as **UNCHECKED**
Hello Everyone. If you are using ZCS 8.0.6 and prior: starting 22 October 2016, anti-virus definitions will no longer update, and your ClamAV instance will stop working entirely. ClamAV EOL source: http://blog.clamav.net/2016/05/clamav-097-engine-end-of-life.html This is a real risk for all outdated ZCS versions, and as a visual symptom, all your messages are being tagged as **UNCHECKED**. […]
Did You Know? Zimbra Desktop Security Features!
By Gayle Billat on August 3, 2016 in Uncategorized, Product News, Did You Know, Education, PowerTips – Users, Security & Privacy, Zimbra Desktop, Zimbra Training
Did you know that the latest version of Zimbra Desktop, v 7.2.8, has two new security features? – Password Lock – Two-Factor Authentication Now your Zimbra data is even safer! Password Lock To enable the Password Lock feature in Zimbra Desktop: 1. Click the Preferences tab. 2. Click General. 3. Scroll down to the Password […]
Did You Know? Zimbra Two-Factor Authentication!
By Gayle Billat on July 27, 2016 in Uncategorized, Product News, Did You Know, Education, PowerTips – Users, Security & Privacy, Zimbra Training, Zimbra Web Client
Did you know that Zimbra 8.7 (now available!) has two-factor authentication (2FA) available? If you don’t know what 2FA is, it is an extra layer of security for your email account. With 2FA enabled, to log into your Zimbra account, you need your password and a code generated by your smartphone. Enabling 2FA is easy, […]