For what it's worth, you can find some documentation on OpenWire here [1]. That doc is a bit out-dated but most of it is still relevant. It looks like the best documentation on this subject. The data that your browser received is part of the WIREFORMAT_INFO which is part of the connection negotiation.
Justin [1] https://activemq.apache.org/openwire-version-2-specification On Wed, Dec 2, 2020 at 11:53 AM Justin Bertram <jbert...@apache.org> wrote: > All those details are part of OpenWire's wire format. I'm not 100% sure > why your browser is getting that response, but any OpenWire client would > get the same information. My guess is that is part of the OpenWire > connection negotiation. > > After the broker sees that no connection negotiation happens for 30 > seconds it closes the connection. > > > Justin > > On Wed, Dec 2, 2020 at 11:21 AM Martin Lichtin <lich...@yahoo.com.invalid> > wrote: > >> There's something seemingly weird going on when connecting with a browser >> to the ssl-secured Openwire port of an ActiveMQ (classic) server. >> >> Using this Url: https://AMQ-HOST:OPENWIRE-PORT >> >> The browser sends off a GET request and after 30 seconds actually >> receives a response from ActiveMQ. >> The payload shows (some non-printable chars removed): >> >> ActiveMQ TcpNoDelayEnabled SizePrefixDisabled CacheSize ProviderName >> ActiveMQ StackTraceEnabled >> PlatformDetails Java CacheEnabled TightEncodingEnabled MaxFrameSize >> MaxInactivityDuration >> MaxInactivityDurationInitalDelay ProviderVersion 5.15.13 >> >> Does this behaviour make sense? I would not expect ActiveMQ to reveal >> this information. >> On ther server side, the log entry shows: >> >> 2020-12-02T18:08:58,684 | WARN | InactivityMonitor Worker | >> Transport | ivemq.broker.TransportConnection 243 | >> 79 - org.apache.activemq.activemq-osgi - 5.15.13 | Transport Connection to: >> tcp://172.22.33.45:4793 failed: >> org.apache.activemq.transport.InactivityIOException: Channel was inactive >> (no connection attempt made) for too (>30000) long: tcp:// >> 172.22.33.45:4793 >> >>