OpenSSH_8.9p1 Ubuntu-3ubuntu0.1, OpenSSL 3.0.2 15 Mar 2022
On Wed, 8 Feb 2023, at 10:18, Michael Jumper wrote: > What version of OpenSSH is on the destination machine? > > On Tue, Feb 7, 2023, 4:18 PM Brendan <[email protected]> wrote: >> __ >> I'm not sure, how do i find out? >> >> Also, i removed the key, and it still doesn't work. I just recreated the >> server, and it still doesn't work >> >> Regards >> Brendan. >> >> On Wed, 8 Feb 2023, at 10:14, Michael Jumper wrote: >>> What kind of private key is this? >>> >>> On Tue, Feb 7, 2023, 3:59 PM Brendan <[email protected]> wrote: >>>> __ >>>> Hi >>>> >>>> I've got one last problem. One of my servers still isn't connecting, >>>> despite checking that i had the parameters set, not the proxy details. >>>> >>>> When I try to connect, i get the following: >>>> >>>> guacd[251]: INFO: Creating new client for protocol "ssh" >>>> guacd[251]: INFO: Connection ID is "$b8f61fb7-71a4-4ab2-80f1-b69fd11beda2" >>>> 01:55:32.223 [http-nio-8080-exec-3] INFO >>>> o.a.g.tunnel.TunnelRequestService - User "brendan" connected to connection >>>> "5". >>>> guacd[2115]: INFO: User "@36ada82c-1c68-4f1b-8a4d-55512697534f" joined >>>> connection "$b8f61fb7-71a4-4ab2-80f1-b69fd11beda2" (1 users now present) >>>> guacd[2115]: INFO: Auth key successfully imported. >>>> guacd[2115]: ERROR: SSH handshake failed. >>>> 01:55:32.282 [http-nio-8080-exec-10] INFO >>>> o.a.g.tunnel.TunnelRequestService - User "brendan" disconnected from >>>> connection "5". Duration: 55 milliseconds >>>> guacd[2115]: INFO: User "@36ada82c-1c68-4f1b-8a4d-55512697534f" >>>> disconnected (0 users remain) >>>> guacd[2115]: INFO: Last user of connection >>>> "$b8f61fb7-71a4-4ab2-80f1-b69fd11beda2" disconnected >>>> Exception in thread "Thread-14" java.lang.IllegalStateException: Message >>>> will not be sent because the WebSocket session has been closed >>>> at >>>> org.apache.tomcat.websocket.WsRemoteEndpointImplBase.writeMessagePart(WsRemoteEndpointImplBase.java:425) >>>> at >>>> org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendMessageBlock(WsRemoteEndpointImplBase.java:309) >>>> at >>>> org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendMessageBlock(WsRemoteEndpointImplBase.java:250) >>>> at >>>> org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendString(WsRemoteEndpointImplBase.java:191) >>>> at >>>> org.apache.tomcat.websocket.WsRemoteEndpointBasic.sendText(WsRemoteEndpointBasic.java:37) >>>> at >>>> org.apache.guacamole.websocket.GuacamoleWebSocketTunnelEndpoint.sendInstruction(GuacamoleWebSocketTunnelEndpoint.java:152) >>>> at >>>> org.apache.guacamole.websocket.GuacamoleWebSocketTunnelEndpoint.access$200(GuacamoleWebSocketTunnelEndpoint.java:53) >>>> at >>>> org.apache.guacamole.websocket.GuacamoleWebSocketTunnelEndpoint$2.run(GuacamoleWebSocketTunnelEndpoint.java:253) >>>> guacd[251]: INFO: Connection "$b8f61fb7-71a4-4ab2-80f1-b69fd11beda2" >>>> removed. >>>> >>>> >>>> On Wed, 8 Feb 2023, at 09:47, Brendan wrote: >>>>> aha. Yes, i filled in the proxy details, not the proper part. >>>>> >>>>> Thanks for your help >>>>> >>>>> regards >>>>> Brendan. >>>>> >>>>> On Wed, 8 Feb 2023, at 09:43, Michael Jumper wrote: >>>>>> The error in question is specifically regarding the webapp being unable >>>>>> to connect over TCP to the guacd service, so something must be >>>>>> interfering with that... >>>>>> >>>>>> Did you perchance accidentally fill in the hostname/address for the >>>>>> destination machine in the "Guacamole proxy parameters (guacd)" section >>>>>> and not the "Parameters" section? >>>>>> >>>>>> - Mike >>>>>> >>>>>> On Tue, Feb 7, 2023, 3:40 PM Brendan <[email protected]> wrote: >>>>>>> __ >>>>>>> Hi >>>>>>> >>>>>>> I just removed the IPv6 from the /etc/hosts, and it didn't resolve >>>>>>> anything. I don't think it's because guacd isn't running, because other >>>>>>> servers work fine. >>>>>>> >>>>>>> Regards >>>>>>> Brendan. >>>>>>> >>>>>>> On Wed, 8 Feb 2023, at 02:48, Michael Jumper wrote: >>>>>>>> On Tue, Feb 7, 2023, 1:24 AM Brendan <[email protected]> wrote: >>>>>>>>> __ >>>>>>>>> Hello >>>>>>>>> >>>>>>>>> I am having a problem whereby a couple of my servers won't connect in >>>>>>>>> guac. It says in the web client "An error has occurred with the >>>>>>>>> guacamole server". I ran docker logs guacamole and this is the error >>>>>>>>> i get: >>>>>>>>> >>>>>>>>> 11:20:29.290 [http-nio-8080-exec-6] ERROR >>>>>>>>> o.a.g.w.GuacamoleWebSocketTunnelEndpoint - Creation of WebSocket >>>>>>>>> tunnel to guacd failed: java.net.ConnectException: Connection refused >>>>>>>>> (Connection refused) >>>>>>>>> 11:20:29.307 [http-nio-8080-exec-8] ERROR >>>>>>>>> o.a.g.s.GuacamoleHTTPTunnelServlet - HTTP tunnel request failed: >>>>>>>>> java.net.ConnectException: Connection refused (Connection refused) >>>>>>>> >>>>>>>> This sounds like guacd isn't running, or something is blocking the >>>>>>>> connection from the webapp to guacd. >>>>>>>> >>>>>>>>> I should note, that i have other servers working perfectly fine. I >>>>>>>>> also tried with key authentication, which also did not work. >>>>>>>>> >>>>>>>>> Any ideas? >>>>>>>> >>>>>>>> Does your system have both IPv4 and IPv6 addresses associated with >>>>>>>> "localhost" in /etc/hosts? The guacd service will be listening on one >>>>>>>> specific address, but if "localhost" is associated with multiple, then >>>>>>>> the OS will round-robin between those addresses and mysteriously fail >>>>>>>> to connect whenever the address that guacd *isn't* listening on >>>>>>>> happens to be used. >>>>>>>> >>>>>>>> - Mike >>>>>>>> >>>>>>>> >>>>>>> >>>>> >>>> >>
