FAQ¶
- FAQ: some general topics often asked
- What is the difference between the main_queue and a queue with a ruleset tied to an input?
- FAQ: Encrypting MySQL Traffic with ommysql Plugin
- FAQ: Troubleshooting UDP Packet Loss
- Q1: I see packet loss in my OS statistics for
imudp
. What are the potential causes, troubleshooting steps, and probable fixes? - Q2: How can I definitively check if the OS kernel is dropping UDP packets due to full receive buffers?
- Q3: Why does
tcpdump
show traffic as “ip-proto-17” without a port number? - Q4: My OS stats show “packets to unknown port”. How do I find out which port is being used?
- Q5: How does rsyslog set the UDP receive buffer? Does it use
SO_RCVBUFFORCE
?
- Q1: I see packet loss in my OS statistics for
- Common Configuration Mistakes and Misunderstandings
Support: rsyslog Assistant | GitHub Discussions | GitHub Issues: rsyslog source project
Contributing: Source & docs: rsyslog source project
© 2008–2025 Rainer Gerhards and others. Licensed under the Apache License 2.0.