That didn't help :( Thanks though. Brendan.
On Wed, 8 Feb 2023, at 16:59, Adrian Owen wrote: > Workaround for Ubuntu 2204 target: > > echo HostKeyAlgorithms +ssh-rsa >> /etc/ssh/sshd_config > systemctl restart sshd > > > Hope it helps. Adrian > > From: Brendan <[email protected]> > Sent: 08 February 2023 3:13 AM > To: [email protected] <[email protected]> > Subject: Re: Error with only some servers > > Ah. Thanks heaps for your help :) > > Regards > Brendan. > > On Wed, 8 Feb 2023, at 11:07, Michael Jumper wrote: > You are encountering: > > https://github.com/libssh2/libssh2/issues/634 > > which should be fixed by: > > https://github.com/libssh2/libssh2/pull/626 > > but has not yet made it into a libssh2 release. You can build libssh2 from > git, or reconfigure OpenSSH on the Ubuntu server to work around things. > > - Mike > > On Tue, Feb 7, 2023, 4:21 PM Brendan <[email protected]> wrote: > > 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 > > > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
