On Sun, Sep 7, 2025 at 11:13 AM Parag Patil < [email protected]> wrote:
> Hi Nick, > > Hello, Parag, See some comments, below. > Following up on my previous email regarding the "remote server is > currently unavailable" error in Guacamole. > > I've extracted the following trace from the Docker container. I'm still > trying to understand why the disconnection occurred and why the remote > desktop server became unavailable. I also checked the targeted Windows > instance, and its event logs indicate the disconnection was initiated by > the Guacamole client. > > *Aug 8 14:14:41 b9febc5c10ba[1471]: guacd[123102]: DEBUG:#011Ignoring > unsupported clipboard data. Only Unicode and text clipboard formats are > currently supported."* > *Aug 8 14:14:41 b9febc5c10ba[1471]: guacd[123102]: DEBUG:#011Ignoring > unsupported clipboard data. Only Unicode and text clipboard formats are > currently supported."* > *Aug 8 14:14:39 b9febc5c10ba[1471]: guacd[123102]: DEBUG:#011Broadcast of > clipboard complete."* > *Aug 8 14:14:39 b9febc5c10ba[1471]: guacd[123102]: DEBUG:#011Clipboard > stream 0 complete."* > *Aug 8 14:14:39 b9febc5c10ba[1471]: guacd[123102]: DEBUG:#011Sent 44 bytes > of clipboard data on stream 0."* > *Aug 8 14:14:39 b9febc5c10ba[1471]: guacd[123102]: DEBUG:#011Created > stream 0 for text/plain clipboard data."* > *Aug 8 14:14:39 b9febc5c10ba[1471]: guacd[123102]: DEBUG:#011Broadcasting > clipboard to all connected users."* > *Aug 8 14:14:39 b9febc5c10ba[1471]: guacd[123102]: DEBUG:#011Ignoring > unsupported clipboard data. Only Unicode and text clipboard formats are > currently supported."* > *Aug 8 14:14:14 b9febc5c10ba[1471]: guacd[123660]: DEBUG:#011Broadcast of > clipboard complete."* > *Aug 8 14:14:14 b9febc5c10ba[1471]: guacd[123660]: DEBUG:#011Clipboard > stream 0 complete."* > *Aug 8 14:14:14 b9febc5c10ba[1471]: guacd[123660]: DEBUG:#011Sent 87 bytes > of clipboard data on stream 0."* > *Aug 8 14:14:14 b9febc5c10ba[1471]: guacd[123660]: DEBUG:#011Created > stream 0 for text/plain clipboard data."* > *Aug 8 14:14:14 b9febc5c10ba[1471]: guacd[123660]: DEBUG:#011Broadcasting > clipboard to all connected users."* > *Aug 8 14:14:04 b9febc5c10ba[1471]: guacd[1]: DEBUG:#011Error reading > ""select"": End of stream reached while reading instruction"* > *Aug 8 14:14:04 b9febc5c10ba[1471]: guacd[1]: DEBUG:#011Guacamole > connection closed during handshake"* > > This, here, indicates to me that something is fiddling with the connection between the client and guacd, causing the instructions to get truncated. I'm not sure if you have any sort of an application-level firewall or deep-packet inspection, here, but something is not getting sent along correctly, resulting in this failed handshake. I looked through the previous e-mails, and I don't see where you say if you're using the official Guacamole Client, or you've written your own custom client? > *Aug 8 14:13:51 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011All supported > devices sent."* > *Aug 8 14:13:51 b9febc5c10ba[1471]: guacd[124544]: INFO:#011RDPDR user > logged on"* > *Aug 8 14:13:51 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Display > update channel will be used for display size changes."* > *Aug 8 14:13:51 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Client ID > confirmed"* > *Aug 8 14:13:51 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Capabilities > sent."* > *Aug 8 14:13:51 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Sending > capabilities..."* > *Aug 8 14:13:51 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Ignoring > server capability set type=0x0005, length=8"* > *Aug 8 14:13:51 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Ignoring > server capability set type=0x0004, length=8"* > *Aug 8 14:13:51 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Ignoring > server capability set type=0x0003, length=8"* > *Aug 8 14:13:51 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Ignoring > server capability set type=0x0002, length=8"* > *Aug 8 14:13:51 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Ignoring > server capability set type=0x0001, length=44"* > *Aug 8 14:13:51 b9febc5c10ba[1471]: guacd[124544]: INFO:#011Connected to > RDPDR 1.13 as client 0x000a"* > *Aug 8 14:13:50 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Clipboard > data received. Reporting availability of clipboard data to RDP server."* > *Aug 8 14:13:50 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011User is > requesting to provide audio input as 2-channel, 44100 Hz PCM audio at 2 > bytes/sample."* > *Aug 8 14:13:50 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Client ID > confirmed"* > *Aug 8 14:13:50 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Capabilities > sent."* > *Aug 8 14:13:50 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Sending > capabilities..."* > *Aug 8 14:13:50 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Ignoring > server capability set type=0x0005, length=8"* > *Aug 8 14:13:50 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Ignoring > server capability set type=0x0004, length=8"* > *Aug 8 14:13:50 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Ignoring > server capability set type=0x0003, length=8"* > *Aug 8 14:13:50 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Ignoring > server capability set type=0x0002, length=8"* > *Aug 8 14:13:50 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Ignoring > server capability set type=0x0001, length=44"* > *Aug 8 14:13:50 b9febc5c10ba[1471]: guacd[124544]: INFO:#011Connected to > RDPDR 1.13 as client 0x006c"* > *Aug 8 14:13:50 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011AUDIO_INPUT > plugin loaded."* > *Aug 8 14:13:50 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Loading > Dynamic Virtual Channel guacai"* > *Aug 8 14:13:50 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Loading > Dynamic Virtual Channel disp"* > *Aug 8 14:13:50 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011SVC > ""rdpsnd"" connected."* > *Aug 8 14:13:50 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011SVC ""rdpdr"" > connected."* > *Aug 8 14:13:50 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011CLIPRDR > (clipboard redirection) channel connected."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Remote > framebuffer format PIXEL_FORMAT_BGRA32"* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Local > framebuffer format PIXEL_FORMAT_BGRX32"* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Support for > static channel ""rdpsnd"" loaded."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Support for > static channel ""rdpdr"" loaded."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Support for > CLIPRDR (clipboard redirection) registered. Awaiting channel connection."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: INFO:#011Loading keymap > ""en-us-qwerty"""* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: INFO:#011Loading keymap > ""base"""* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Client is > using protocol version ""VERSION_1_5_0"""* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: INFO:#011User > ""@6cd7a933-34ab-4d64-be3b-46cabd80a18d"" joined connection > ""$52f01dc9-2975-418b-a609-324521ff09f6"" (1 users now present)"* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""wol-send-packet"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: INFO:#011No clipboard > line-ending normalization specified. Defaulting to preserving the format of > all line endings."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""disable-paste"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""disable-copy"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""gateway-port"" omitted. Using default value of 443."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""enable-touch"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: INFO:#011Resize method: > display-update"* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""create-recording-path"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""recording-include-keys"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""recording-exclude-touch"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""recording-exclude-mouse"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""recording-exclude-output"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""recording-name"" omitted. Using default value of ""recording""."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""sftp-disable-upload"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""sftp-disable-download"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""sftp-server-alive-interval"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""sftp-root-directory"" omitted. Using default value of ""/""."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""sftp-passphrase"" omitted. Using default value of """"."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""sftp-password"" omitted. Using default value of """"."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""sftp-username"" omitted. Using default value of ""U0103755""."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""sftp-port"" omitted. Using default value of ""22""."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""sftp-hostname"" omitted. Using default value of ""10.0.7.68""."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""enable-sftp"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""timezone"" omitted. Using default value of ""Europe/Warsaw""."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""disable-upload"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""disable-download"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""create-drive-path"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""drive-path"" omitted. Using default value of """"."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""drive-name"" omitted. Using default value of ""Guacamole Filesystem""."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""enable-drive"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""printer-name"" omitted. Using default value of ""Guacamole Printer""."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""enable-printing"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""disable-audio"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""disable-offscreen-caching"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""client-name"" omitted. Using default value of ""Guacamole RDP""."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""read-only"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""force-lossless"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Using > resolution of 1912x962 at 96 DPI"* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""dpi"" omitted. Using default value of 96."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011User > resolution is 1912x962 at 96 DPI"* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: INFO:#011Security mode: > Negotiate (ANY)"* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""disable-auth"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""console-audio"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Parameter > ""console"" omitted. Using default value of 0."* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Processing > instruction: name"* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Processing > instruction: timezone"* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Processing > instruction: image"* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Processing > instruction: video"* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Processing > instruction: audio"* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[124544]: DEBUG:#011Processing > instruction: size"* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[1]: INFO:#011Connection ID is > ""$52f01dc9-2975-418b-a609-324521ff09f6"""* > *Aug 8 14:13:48 b9febc5c10ba[1471]: guacd[1]: INFO:#011Creating new client > for protocol ""rdp"""* > *Aug 8 14:13:47 b9febc5c10ba[1471]: guacd[1]: INFO:#011Connection > ""$36cde0a0-71a6-4628-a6d0-9d6e4bcfbf4c"" removed."* > *Aug 8 14:13:47 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011Client > terminated successfully."* > *Aug 8 14:13:47 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011Requesting > termination of client..."* > *Aug 8 14:13:47 b9febc5c10ba[1471]: guacd[122078]: INFO:#011Last user of > connection ""$36cde0a0-71a6-4628-a6d0-9d6e4bcfbf4c"" disconnected"* > *Aug 8 14:13:47 b9febc5c10ba[1471]: guacd[122078]: INFO:#011User > ""@c13eaaa0-7336-4a4f-97fb-3721e67ed7ca"" disconnected (0 users remain)"* > *Aug 8 14:13:47 b9febc5c10ba[1471]: guacd[122078]: INFO:#011Internal RDP > client disconnected"* > > This message essentially indicates that the last client has left the RDP connection, so it's shutting it down, which is expected. Again, this kind of speaks to a potential interference of some sort of firewall or inspection that's causing the client to leave the connection. > *Aug 8 14:13:47 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011SVC > ""rdpsnd"" disconnected."* > *Aug 8 14:13:47 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011SVC ""rdpdr"" > disconnected."* > *Aug 8 14:13:47 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011AUDIO_INPUT > plugin unloaded."* > *Aug 8 14:13:47 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011Display > update channel disconnected."* > *Aug 8 14:13:47 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011CLIPRDR > (clipboard redirection) channel disconnected."* > *Aug 8 14:13:47 b9febc5c10ba[1471]: guacd[122078]: ERROR:#011Connection > closed."* > *Aug 8 14:13:47 b9febc5c10ba[1471]: guacd[122078]: > DEBUG:#011transport_check_fds: transport->ReceiveCallback() - -1"* > *Aug 8 14:13:47 b9febc5c10ba[1471]: guacd[122078]: > DEBUG:#011transport_write:freerdp_set_last_error_ex > ERRCONNECT_CONNECT_TRANSPORT_FAILED [0x0002000D]"* > *Aug 8 14:13:47 b9febc5c10ba[1471]: guacd[122078]: > DEBUG:#011BIO_should_retry returned a system error 104: Connection reset by > peer"* > > And, here, we have some sort of indication of a network issue between guacd and the RDP server, where the FreeRDP library is reporting a connection reset. > *Aug 8 14:13:42 b9febc5c10ba[1471]: guacd[121955]: DEBUG:#011Clipboard > data received. Reporting availability of clipboard data to RDP server."* > *Aug 8 14:13:40 b9febc5c10ba[1471]: guacd[123102]: DEBUG:#011Clipboard > data received. Reporting availability of clipboard data to RDP server."* > *Aug 8 14:13:22 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011Broadcast of > clipboard complete."* > *Aug 8 14:13:22 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011Clipboard > stream 0 complete."* > *Aug 8 14:13:22 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011Sent 60 bytes > of clipboard data on stream 0."* > *Aug 8 14:13:22 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011Created > stream 0 for text/plain clipboard data."* > *Aug 8 14:13:22 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011Broadcasting > clipboard to all connected users."* > *Aug 8 14:13:19 b9febc5c10ba[1471]: guacd[121955]: DEBUG:#011Clipboard > data received. Reporting availability of clipboard data to RDP server."* > *Aug 8 14:13:19 b9febc5c10ba[1471]: guacd[121955]: DEBUG:#011Clipboard > data received. Reporting availability of clipboard data to RDP server."* > *Aug 8 14:13:15 b9febc5c10ba[1471]: guacd[121955]: DEBUG:#011Clipboard > data received. Reporting availability of clipboard data to RDP server."* > *Aug 8 14:13:00 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011Broadcast of > clipboard complete."* > *Aug 8 14:13:00 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011Clipboard > stream 0 complete."* > *Aug 8 14:13:00 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011Sent 61 bytes > of clipboard data on stream 0."* > *Aug 8 14:13:00 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011Created > stream 0 for text/plain clipboard data."* > *Aug 8 14:13:00 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011Broadcasting > clipboard to all connected users."* > *Aug 8 14:12:54 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011Broadcast of > clipboard complete."* > *Aug 8 14:12:54 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011Clipboard > stream 0 complete."* > *Aug 8 14:12:54 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011Sent 5 bytes > of clipboard data on stream 0."* > *Aug 8 14:12:54 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011Created > stream 0 for text/plain clipboard data."* > *Aug 8 14:12:54 b9febc5c10ba[1471]: guacd[122078]: DEBUG:#011Broadcasting > clipboard to all connected users."* > > *Aug 8 14:12:54 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Display > update channel will be used for display size changes."* > *Aug 8 14:12:54 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011All supported > devices sent."* > *Aug 8 14:12:54 b9febc5c10ba[1471]: guacd[124488]: INFO:#011RDPDR user > logged on"* > *Aug 8 14:12:54 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Client ID > confirmed"* > *Aug 8 14:12:54 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Capabilities > sent."* > *Aug 8 14:12:54 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Sending > capabilities..."* > *Aug 8 14:12:54 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Ignoring > server capability set type=0x0005, length=8"* > *Aug 8 14:12:54 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Ignoring > server capability set type=0x0004, length=8"* > *Aug 8 14:12:54 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Ignoring > server capability set type=0x0003, length=8"* > *Aug 8 14:12:54 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Ignoring > server capability set type=0x0002, length=8"* > *Aug 8 14:12:54 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Ignoring > server capability set type=0x0001, length=44"* > *Aug 8 14:12:54 b9febc5c10ba[1471]: guacd[124488]: INFO:#011Connected to > RDPDR 1.13 as client 0x0003"* > *Aug 8 14:12:53 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Clipboard > data received. Reporting availability of clipboard data to RDP server."* > *Aug 8 14:12:53 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011User is > requesting to provide audio input as 2-channel, 44100 Hz PCM audio at 2 > bytes/sample."* > *Aug 8 14:12:53 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Client ID > confirmed"* > *Aug 8 14:12:53 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Capabilities > sent."* > *Aug 8 14:12:53 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Sending > capabilities..."* > *Aug 8 14:12:53 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Ignoring > server capability set type=0x0005, length=8"* > *Aug 8 14:12:53 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Ignoring > server capability set type=0x0004, length=8"* > *Aug 8 14:12:53 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Ignoring > server capability set type=0x0003, length=8"* > *Aug 8 14:12:53 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Ignoring > server capability set type=0x0002, length=8"* > *Aug 8 14:12:53 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Ignoring > server capability set type=0x0001, length=44"* > *Aug 8 14:12:53 b9febc5c10ba[1471]: guacd[124488]: INFO:#011Connected to > RDPDR 1.13 as client 0x006c"* > *Aug 8 14:12:53 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011AUDIO_INPUT > plugin loaded."* > *Aug 8 14:12:53 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Loading > Dynamic Virtual Channel guacai"* > *Aug 8 14:12:53 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Loading > Dynamic Virtual Channel disp"* > *Aug 8 14:12:53 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011SVC > ""rdpsnd"" connected."* > *Aug 8 14:12:53 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011SVC ""rdpdr"" > connected."* > *Aug 8 14:12:53 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011CLIPRDR > (clipboard redirection) channel connected."* > *Aug 8 14:12:52 b9febc5c10ba[1471]: guacd[123102]: DEBUG:#011Ignoring > unsupported clipboard data. Only Unicode and text clipboard formats are > currently supported."* > *Aug 8 14:12:51 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Remote > framebuffer format PIXEL_FORMAT_BGRA32"* > *Aug 8 14:12:51 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Local > framebuffer format PIXEL_FORMAT_BGRX32"* > *Aug 8 14:12:51 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Support for > static channel ""rdpsnd"" loaded."* > *Aug 8 14:12:51 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Support for > static channel ""rdpdr"" loaded."* > *Aug 8 14:12:51 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Support for > CLIPRDR (clipboard redirection) registered. Awaiting channel connection."* > *Aug 8 14:12:51 b9febc5c10ba[1471]: guacd[124488]: INFO:#011Loading keymap > ""en-us-qwerty"""* > *Aug 8 14:12:51 b9febc5c10ba[1471]: guacd[124488]: INFO:#011Loading keymap > ""base"""* > *Aug 8 14:12:51 b9febc5c10ba[1471]: guacd[124488]: DEBUG:#011Client is > using protocol version ""VERSION_1_5_0"""* > *Aug 8 14:12:51 b9febc5c10ba[1471]: guacd[124488]: INFO:#011User > ""@a2cfe355-6d31-4c34-936f-b0488ffd219d"" joined connection > ""$100096a8-d9a6-4dab-9a0c-169414186c30"" (1 users now present)"* > > > Any further insights you can offer based on this log would be greatly > appreciated. > > I'm seeing several indications of network trouble, which may indicate: * Resource exhaustion on the guacd system, causing it to be unable to handle the network connections and causing it to drop those. * Unstable network links between the guacd system and either the clients, the RDP server, or both. * Firewalls that might be shutting down what they see as long-running connections, or that are doing deep-packet inspection or application-level filtering and either blocking that traffic or causing enough jiffer/latency that it is causing a loss of communication between the client and guacd. * Client-side software (A/V, the web browser, etc.) that is interfering or shutting down processes to conserve resources. Without much more detail on the environment in which you're operating and the architecture of your systems, I can't really provide definitive insights into what's causing it. -Nick >
