iQuery protocol explainer
Decode F5 BIG-IP DNS iqdump output and /var/log/gtm iQuery messages, or explain the iQuery architecture (mesh, port 4353, SSL trust, iqdump, gtmd, big3d). Runs locally.
NetworkingRuns locally in your browser. Nothing you paste leaves this page.
Notes
- Pick a topic to explain, or paste iqdump output or /var/log/gtm lines to decode them. Everything is offline; nothing is sent anywhere.
Topics
API endpointGEThttps://ronutz.com/api/v1/iquery-protocol-explainerDocumented, not served. Opens the specification.
References
- F5 BIG-IP GTM Concepts: Communications Between BIG-IP GTM and Other Systems (iQuery is an XML protocol using gzip compression; iqdump; VLAN rule; gtmd/big3d)
- F5 BIG-IP DNS Implementations: Integrating BIG-IP DNS Into a Network with BIG-IP LTM Systems (gtmd uses iQuery to big3d; TCP 4353; big3d_install/bigip_add SSL trust)
- F5 K14707: Configuring BIG-IP DNS server objects behind a firewall NAT (iQuery over TCP 4353; probes follow the same path as DNS clients; bigip_add trust)
- F5 K13312: Overview of the BIG-IP DNS big3d_install, bigip_add, and gtm_add utilities (trust bootstrap; SSH port 22; Link Controller removed in 21.0.0)
- F5 K000139663: DNS iQuery third party certificate validation (real iqdump output sample: header comments and the <xml_connection> stanza)
- F5 BIG-IP LTM-DNS Operations Guide: BIG-IP DNS iQuery (iQuery mesh; SSL cert auth; iqdump syntax and version XML stanza; /var/log/gtm state-change messages)