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Bug#773: DirectRDP: X2Go Client reveals user password in process list if xfreerdp is used
by Mike Gabriel 26 Mar '19

26 Mar '19

Package: x2goclient Severity: grave When a users uses X2Go Client for directly accessing an RDP Server, then one can use the DirectRDP feature. The DirectRDP features allows wrapping around the rdesktop command or the xfreerdp command. With both wrapper modes, the password is given to the RDP client application on the command line. With rdesktop, the command line ($@) gets rewritten for the process list and the password is replaced by XXXXXXXX. With xfreerdp, the command line stays as is and reveals the RDP user's password on the process list of the machine that X2Go Client runs on. The FreeRDP people have added a command line option --from-stdin to xfreerdp 1.0.x for this purpose, that may be an option using in X2Go Client. However, I am not sure, if this option survived in xfreerdp 1.1.x or later (it is not on the xfreerdp man page for 1.1.0~git<sometime-in-2014> as shipped with Debian jessie. Mike -- DAS-NETZWERKTEAM mike gabriel, herweg 7, 24357 fleckeby fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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Bug#58: x2goplugin: after session startup whole local desktop unusable
by Mike Gabriel 26 Mar '19

26 Mar '19

Package: x2goplugin Severity: grave Version: 3.99.3.0 Hi Alex, more tests with x2goplugin + x2goplugin-provider as release with x2goclient src:package 3.99.3.0. Try this: o install x2goplugin-provider and x2goserver locally on the same machine o visit http://localhost/x2goplugin.html o launch the pre-configured session o ... till here, everything works fine now... On my machine: after the session has come up (actually already while it is comming up) my whole desktop shell (awesome) refuse to accept almost any import from keyboard or mouse. I can neither click any of the x2goplugin controls nor can I click around in the started up X2Go session. The X2Go session is embedded in the x2goplugin frame, just in case this information is relevant. Ggreets, Mike -- DAS-NETZWERKTEAM mike gabriel, rothenstein 5, 24214 neudorf-bornstein fon: +49 (1520) 1976 148 GnuPG Key ID 0x25771B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de freeBusy: https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.x…

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Bug#58:
by Ulrich Sibiller 26 Mar '19

26 Mar '19

x2goplugin is dead, this ticket can be closed.

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Bug#1134:
by Ulrich Sibiller 22 Mar '19

22 Mar '19

You can use xprop -root to check if you are running inside an nxagent: e.g.: $ xprop -root NX_AGENT_VERSION NX_AGENT_VERSION(STRING) = "3.5.99.19"

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Bug#1126: Info received ( Bug#1126: Bug#1126: Bug#1126: x2go session disconnects causing an issue with a program or caused by an issue with a program)
by Ulrich Langenbach 21 Mar '19

21 Mar '19

Hi, some time passed, but finally I found the time to do a testrun on a dedicated setup based on upstream arctica libraries my colleague compiled to deb packages and installed on a VM. The currently tested version is a bit outdated from branch 3.6.x: ---- snip ---- nx-libs$ git log -1 commit 9acd13e50c3bde9105f6143922028f0de0d4ae50 Author: Mike Gabriel <mike.gabriel(a)das-netzwerkteam.de> Date: Mon Dec 19 15:03:09 2016 +0100 release 3.5.99.3 nx-libs$ git remote -v origin git://github.com/ArcticaProject/nx-libs.git (fetch) origin git://github.com/ArcticaProject/nx-libs.git (push) ---- snip ---- The behavior is the same as before, the session dies at some time during some interaction with the tools window. I tried 64k-png and 15m-jpeg-9 modes with the same outcome, see attached logs for details. Ulrich -- Ulrich Langenbach ulrich.langenbach(a)missinglinkelectronics.com Skype: ulangenbach Missing Link Electronics http://www.missinglinkelectronics.com Skype: missing.link.electronics Office DE: +49 (731) 141 149-0 Office US: +1 (408) 475-1490 Am Mittwoch, 4. Januar 2017, 18:05:02 CET schrieb X2Go Bug Tracking System: > Thank you for the additional information you have supplied regarding > this Bug report. > > This is an automatically generated reply to let you know your message > has been received. > > Your message is being forwarded to the package maintainers and other > interested parties for their attention; they will reply in due course. > > Your message has been sent to the package maintainer(s): > X2Go Developers <x2go-dev(a)lists.x2go.org> > > If you wish to submit further information on this problem, please > send it to 1126(a)bugs.x2go.org. > > Please do not send mail to owner(a)bugs.x2go.org unless you wish > to report a problem with the Bug-tracking system.

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Bug#1378: reassigning to x2goclient
by Mike Gabriel 18 Mar '19

18 Mar '19

Control: reassing -1 x2goclient The bug submitter made a typo in the package name. Mike -- DAS-NETZWERKTEAM c\o Technik- und Ökologiezentrum Eckernförde Mike Gabriel, Marienthaler str. 17, 24340 Eckernförde mobile: +49 (1520) 1976 148 landline: +49 (4354) 8390 139 GnuPG Fingerprint: 9BFB AEE8 6C0A A5FF BF22 0782 9AF4 6B30 2577 1B31 mail: mike.gabriel(a)das-netzwerkteam.de, http://das-netzwerkteam.de

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Bug#1369: Bug#1369: Bug#1369: Keys do not release when using Emacs in X2GO Client
by Ulrich Sibiller 18 Mar '19

18 Mar '19

You mean NX, I guess, not X2 (there's no such protocol). However: I am using NX over two chained WANs without such problems. For some time I even used it for working on machines on the other side of the Atlantic ocean - and it worked flawlessly. @Yan: you could try setting the connection type to ADSL or even ISDN and retry. Uli Bob Harold <bobh(a)halfgoat.com> schrieb am Do., 14. März 2019, 02:50: > > On Wed, Mar 13, 2019 at 5:17 AM Ulrich Sibiller <uli42(a)gmx.de> wrote: > >> On Wed, Mar 13, 2019 at 9:10 AM Yan Zhang <kriszhyan(a)gmail.com> wrote: >> >> >> > I am using Emacs 24.5.1 with x2go client version 4.1.2.0 in Windows >> 10. My server OS is Ubuntu 16.04 and the x2goserver comes from the PPA repo. >> >> You could try updating your nx-libs to nightly and retry: >> https://sunweavers.net/blog/node/20 >> >> > The difference is whether I start mark region (by hitting "ctrl+space") >> before moving cursor. The client will only stuck if I first start mark >> region and then hold cursor-moving keys like "ctrl+n" or "ctrl+p" for a few >> seconds. >> >> Ok, understood. But still not replicable for me. >> >> > I tried "xev -event keyboard" in a XFCE session and did not observe >> any missing keystrokes. >> >> Nor did I. So maybe this is bug in emacs. I tested with 24.3.1, can >> you downgrade? >> >> Uli >> > > Just a thought - there is some lag in the screen updates from the remote > host when using a protocol like x2. It is possible that holding the keys > for a few seconds, with auto-repeat, has buffered enough copies of the > keystroke to scroll the file all the way to the end, even after you let > go. Is that possible? > > -- > Bob Harold > >

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Bug#1377: Upgrade to Windows 10 version 1809 break X2Go, can't read user name with space
by Khoa Tran 07 Mar '19

07 Mar '19

Package: <X2GoClient-4.1.2.0-2018.06.22-setup.exe> Version: <4.1.2.0> X-Debbugs-CC: barry.pangrle(a)esperantotech.com 1-After updating from Window 10 Ver 1803 to 1809; x2go doesn't work any more. 2- It fails with the following messages: Loop: PANIC! Can't open options file '/cygdrive/C/Users/Barry'. Error is 2 'No such file or directory'. Error: Can't open options file '/cygdrive/C/Users/Barry'. Error is 2 'No such file or directory'. Loop: PANIC! Can't open options file '/cygdrive/C/Users/Barry'. Error is 2 'No such file or directory'. Error: Can't open options file '/cygdrive/C/Users/Barry'. Error is 2 'No such file or directory'. Connection timeout, abortingLoop: PANIC! Can't open options file '/cygdrive/C/Users/Barry'. Error is 2 'No such file or directory'. Error: Can't open options file '/cygdrive/C/Users/Barry'. Error is 2 'No such file or directory'. Connection timeout, aborting Looking at the "options" files now generated under Ver 1809, they look like: nx/nx,root=/cygdrive/C/Users/Barry Pangrle/.x2go,connect=localhost,cookie=064e8b5bdd350e061f76b243b8d5b5e5,port=35936,errors=/cygdrive/C/Users/Barry Pangrle/.x2go/S-bpangrle-51-1546910140_stDMATE_dp32/sessions:51 An "options" file generated under Ver 1803 looks like: nx/nx,root=/cygdrive/C/Users/BARRYP~1/X2GO~1,connect=localhost,cookie=e8a3a18f683a68163533a911fad81985,port=45490,errors=/cygdrive/C/Users/BARRYP~1/X2GO~1/S-bpangrle-51-1545005939_stDMATE_dp32/sessions:51 It looks like the old version used to use "BARRYP~1" in the path instead of "Barry Pangrle" and based on the error messages, it seems to not be able to trace through the " " in the path name. 3. Expect to read folder with space and replace with ~ instead of space. 4. X2go can't read space, can't replace with ~ and failed. Also, please list the following info: The client machine's OS (e.g., “Windows 10 pro version 1809”) The client machine's version of X2GoClient: 4.1.2.0 The server's OS: CentOS 7, worked with Windows 10 version 1803

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Processed: housekeeping...
by owner＠bugs.x2go.org 18 Feb '19

18 Feb '19

Processing commands for control(a)bugs.x2go.org: > reassign #1374 x2goclient Bug #1374 [client] [X2Go-Dev] Bug#1373: kex error : no match for method mac algo Warning: Unknown package 'client' Bug reassigned from package 'client' to 'x2goclient'. Ignoring request to alter found versions of bug #1374 to the same values previously set Ignoring request to alter fixed versions of bug #1374 to the same values previously set > forcemerge #1373 #1374 Bug #1373 [x2goclient] kex error : no match for method mac algo Bug #1374 [x2goclient] [X2Go-Dev] Bug#1373: kex error : no match for method mac algo Merged 1373 1374 > kthxbye Stopping processing here. Please contact me if you need assistance. -- 1373: http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=1373 1374: http://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=1374 X2Go Bug Tracking System Contact owner(a)bugs.x2go.org with problems

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Bug#1373: kex error : no match for method mac algo
by Danie de Jager 18 Feb '19

18 Feb '19

Package: client The client does not support chacha20 as I get this error when I try to connect to the X2Go server. I did harden my SSH configuration as guided by Mozzila https://infosec.mozilla.org/guidelines/openssh When I use defaults it works fine. It seems that the library used by X2Go is missing some newer methods. Config: server ssh config: KexAlgorithms curve25519-sha256(a)libssh.org ,ecdh-sha2-nistp521,ecdh-sha2-nistp384,ecdh-sha2-nistp256,diffie-hellman-group-exchange-sha256 Ciphers chacha20-poly1305@openssh.com,aes256-gcm@openssh.com, aes128-gcm(a)openssh.com,aes256-ctr,aes192-ctr,aes128-ctr MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com, umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256,umac-128@openssh.com Client sshd config: Client using default sshd config or HashKnownHosts yes HostKeyAlgorithms ssh-ed25519-cert-v01(a)openssh.com, ssh-rsa-cert-v01(a)openssh.com,ssh-ed25519,ssh-rsa, ecdsa-sha2-nistp521-cert-v01(a)openssh.com, ecdsa-sha2-nistp384-cert-v01(a)openssh.com, ecdsa-sha2-nistp256-cert-v01(a)openssh.com ,ecdsa-sha2-nistp521,ecdsa-sha2-nistp384,ecdsa-sha2-nistp256 KexAlgorithms curve25519-sha256(a)libssh.org ,ecdh-sha2-nistp521,ecdh-sha2-nistp384,ecdh-sha2-nistp256,diffie-hellman-group-exchange-sha256 MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com, umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256,umac-128@openssh.com Ciphers chacha20-poly1305@openssh.com,aes256-gcm@openssh.com, aes128-gcm(a)openssh.com,aes256-ctr,aes192-ctr,aes128-ctr Error: "kex error : no match for method mac algo client->server: server [ hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com, umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256,umac-128@openssh.com], client [hmac-sha1]" or sometimes "crypt_set_algorithms2: no crypto algorithm function found for chacha20-poly1305(a)openssh.com" Let me know if I can provide more information. Regards, *Danie de Jager*

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