Blog

AxoSyslog vs syslog-ng, one year on: 17 releases to 5. Compare the 2025–2026 feature additions, FilterX advances, and release cadence of both syslog projects.

How AxoSyslog implements in-application ACK, flow control, memory and disk buffers, batching, and how log-iw-size interacts with batch-lines under the hood

How delivery guarantees, flow control, and buffers behave in security data pipelines across UDP, TCP, HTTP, gRPC, OpenTelemetry Collector, Kafka, and AxoSyslog.

AxoSyslog 4.18-4.22: FilterX enhancements, better ClickHouse and S3 outputs, OTLP keep-alive, and smarter worker autoscaling for log pipelines.

Why switch log transport to OpenTelemetry gRPC? Compare efficiency, reliability, and scale against syslog and HTTP — and when gRPC is the right call.

What's new in AxoSyslog 4.13-4.17: advanced log formatting, smarter parsing, cloud integrations, and performance tuning for reliable pipelines.

Monitor syslog-ng or AxoSyslog with Prometheus using axosyslog-metrics-exporter. Diagnose message drops and pipeline issues quickly.

AxoSyslog: the syslog-ng fork built by its original developers. Secure, supported, binary-compatible log management with enterprise features.

AxoSyslog, our syslog-ng fork, moves to a single clear open source license: GPL-3.0-or-later. What changes for users and contributors.

Activity report of the first year of AxoSyslog, our drop-in syslog-ng fork.

Turn messy firewall logs into clean, SIEM-ready data. FilterX parses FortiGate, Palo Alto, and SonicWall logs and routes them accurately — see how.

Route syslog data to Grafana Loki with AxoSyslog, the drop-in syslog-ng replacement. Dynamic labels, less noise, scalable ingestion — full config inside.

Upgrade syslog-ng to AxoSyslog in minutes with no configuration changes. What the drop-in replacement means and how the migration works.

AxoSyslog 4.10 adds Google Pub/Sub gRPC, Microsoft Sentinel, and Azure Monitor destinations. Key features and configuration examples inside.

AxoSyslog 4.9 adds ClickHouse as a destination: send logs directly to your self-hosted ClickHouse database for efficient storage and analysis.

Six months into AxoSyslog, the binary-compatible syslog-ng fork: development activity, new features, and what's ahead for the project.

AxoSyslog 4.9 highlights: ClickHouse destination, gRPC improvements, new FilterX features, and bug fixes for the AxoSyslog and the syslog-ng projects.

FilterX makes filtering and modifying logs easier and faster, handling nested JSON and OpenTelemetry logs as a syslog-ng filter replacement.

AxoSyslog automatically detects and tags formatting errors in syslog messages, improving data quality and reducing false positives in your SIEM.

Learn how to install AxoSyslog, our syslog-ng™ fork from our repository on RPM-based Linux distributions like RHEL, Fedora, or AlmaLinux.

AxoSyslog 4.8 release with APT repository, gRPC and S3 destination improvements, and the ability to send logs to Elasticsearch data streams

Log tapping samples your pipeline's log flow on demand. Filter by labels and investigate problematic syslog events with just a few clicks.

AxoSyslog is now a real fork of syslog-ng: still open source under the same license, actively maintained with new features from its creators.

syslog-ng 4.7 brings better OpenTelemetry performance, gRPC improvements, new metrics, and features to integrate your telemetry pipeline.

Optimize OTLP throughput and resource usage: our performance tests show how latency and bandwidth relate to compression and multithreading.

The problems of the syslog protocol and how the OpenTelemetry protocol and AxoSyslog ensures seamless and structured data transport across your network.

Ship Kubernetes logs to OpenObserve, the lightweight Elasticsearch alternative, with syslog-ng and the Logging operator. Step-by-step AxoSyslog setup.

Collect logs from the native macOS OSlog or log stream with syslog-ng's new darwin-os sources!

syslog-ng in 2023: new features (OpenTelemetry, Google Pub/Sub, Splunk, Grafana Loki, Amazon S3, OpenObserve drivers), contributions, and other developments

Forward Kubernetes logs to Grafana Loki using syslog-ng and the Logging operator with AxoSyslog. Cloud-native setup, dynamic labels, and full config.

Send logs and telemetry data directly to Google BigQuery with syslog-ng, using gRPC

Logging operator 4.4 brings multi-tenancy with namespace-based routing, outputs like S3, ElasticSearch, Loki, and Splunk for the syslog-ng aggregator, and more

syslog-ng 4.4 comes with new drivers and lots of new metrics to help you manage your cloud-native and on-premise observability supply chain.

Send structured log messages from syslog-ng to Falcon LogScale via its Ingest Structured Data API, and other destinations in parallel.

Documentation updates for AxoSyslog, the cloud-native syslog-ng distribution: OpenTelemetry support, Splunk HEC destination, eBPF support, and new parsers

Receive or send any kinds of OpenTelemetry logs, traces, and metrics with syslog-ng and AxoSyslog 4.3 using OTLP/gRPC

Republishing syslog-ng documentation in a new format, under the AxoSyslog Core name to comply with the syslog-ng Open Source Edition documentation license

How syslog-ng disk buffering protects logs from crashes, network outages, and overload — plus the config to make your syslog architecture resilient.

Get more insights about your logs in Kubernetes using AxoSyslog. Monitor and visualize the metrics of your AxoSyslog Kubernetes deployments.

syslog-ng 4.2 comes with new drivers and lots of new metrics to help you manage your cloud-native and on-premise observability supply chain.

Install syslog-ng using the AxoSyslog Helm charts to send Kubernetes logs into OpenSearch. AxoSyslog is a cloud native syslog-ng distribution by Axoflow.

Version 4.1 with its new metrics system brings syslog-ng closer to the cloud-native ecosystem and the modern observability supply chain.