Encryption | Log forwarding | syslog
Syslog forwarding over TLS: getting the operational layer right
Plaintext syslog crossing a network boundary in 2026 is a finding waiting to happen. The IETF defined encrypted syslog years ago in RFC 5425: TCP/6514, mutual TLS where the trust model needs it. What still trips teams up is rarely the protocol itself — it’s certificate lifecycle, framing mismatches, and forwarders that fall over when the collector blinks. Here’s the short version: which standards matter, where teams break the framing, and the four operational habits that decide whether the pipeline holds up.