Log messages generated by Cisco devices look like syslog messages at first glance, but on a closer inspection you will see that there are many smaller differences. By default, syslog-ng treats all incoming messages as syslog messages, however, Cisco …

Signal Messenger is becoming the instant messaging platform of choice for privacy-minded individuals, including many sysadmins. No wonder that some of them would like to see alerts from syslog-ng in this IM platform. Below, you can learn about an ini…

If you want to test drive syslog-ng or just want to learn something new, I recommend you checking out the BLACK ESK project. By running a single script, you can set up a containerized test environment, complete with Elasticsearch, Kibana and a syslog…

Recently Prometheus became one of the most used open source monitoring solutions. Quite a few people asked if a syslog-ng exporter is available. It is not part of syslog-ng, but there are numerous implementations available on GitHub. Now that Prometh…

Dear syslog-ng users, This is the 83rd issue of syslog-ng Insider, a monthly newsletter that brings you syslog-ng-related news. NEWS Simplifying CA handling in syslog-ng TLS connections When talking to users about the TLS-encrypted message transfer,…

The http() destination is quickly becoming one of the most often used destinations within syslog-ng. You might already be using it even if you are not aware of it. Quite a few syslog-ng destination drivers are actually just configuration snippets in …

When talking to users about the TLS-encrypted message transfer, almost everyone immediately complains about configuring a certificate authority (CA) in syslog-ng. You needed to create a hash and create a symbolic link to the CA file based on the hash…

Dear syslog-ng users, This is the 82nd issue of syslog-ng Insider, a monthly newsletter that brings you syslog-ng-related news. NEWS Syslog-ng on the edge After many years of pushing all computing from on-site to the cloud or huge data centers, t…

No, SELinux is not the cause of all permission troubles on Linux. For example, syslog-ng makes use of the capabilities system on Linux to drop as many privileges as possible, as early as possible. But it might cause problems in some corner cases, as …

Event logging is a central source of information both for IT security and operations, but different teams use different tools to collect and analyze log messages. The same log message is often collected by multiple applications. Having each team usin…

Version 3.27 of syslog-ng has brought many smaller, but useful features to us. The new Sumo Logic destination was already covered in an earlier blog. You can now also check exactly where a message arrived on a network source (IP address, port and pro…

Dear syslog-ng users, This is the 81st issue of syslog-ng Insider, a monthly newsletter that brings you syslog-ng-related news. NEWS Version 3.27 of syslog-ng released Version 3.27.1 of syslog-ng is now available, adding many smaller features to …