From unknown Fri Mar 29 02:45:43 2024 X-Loop: owner@bugs.x2go.org Subject: Bug#1373: kex error : no match for method mac algo Reply-To: Danie de Jager , 1373@bugs.x2go.org Resent-From: Danie de Jager Resent-To: x2go-dev@lists.x2go.org Resent-CC: owner@bugs.x2go.org X-Loop: owner@bugs.x2go.org Resent-Date: Mon, 18 Feb 2019 09:10:02 +0000 Resent-Message-ID: Resent-Sender: owner@bugs.x2go.org X-X2Go-PR-Message: report 1373 X-X2Go-PR-Package: client X-X2Go-PR-Keywords: Received: via spool by submit@bugs.x2go.org id=B.155048089627515 (code B); Mon, 18 Feb 2019 09:10:02 +0000 Received: (at submit) by bugs.x2go.org; 18 Feb 2019 09:08:16 +0000 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on ymir.das-netzwerkteam.de X-Spam-Level: X-Spam-Status: No, score=-2.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HTML_MESSAGE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.2 Received: from localhost (localhost [127.0.0.1]) by ymir.das-netzwerkteam.de (Postfix) with ESMTP id DD9915DAF2 for ; Mon, 18 Feb 2019 10:08:14 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at ymir.das-netzwerkteam.de Received: from ymir.das-netzwerkteam.de ([127.0.0.1]) by localhost (ymir.das-netzwerkteam.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1k7l5WNRC3dq for ; Mon, 18 Feb 2019 10:08:05 +0100 (CET) Received: from mail-yb1-xb2a.google.com (mail-yb1-xb2a.google.com [IPv6:2607:f8b0:4864:20::b2a]) by ymir.das-netzwerkteam.de (Postfix) with ESMTPS id 8AF8F5DAF1 for ; Mon, 18 Feb 2019 10:08:05 +0100 (CET) Received: by mail-yb1-xb2a.google.com with SMTP id j62so6502595ybb.1 for ; Mon, 18 Feb 2019 01:08:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=striata.com; s=google2; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=NDq1RQlJryjKiBvpR2ZInkZM25Xn8rA+0PwZRzsZqes=; b=eZw2okzfr9tB9dtWopCg0BGFVvFZxEzkaWaqZu1glOtjmOxndD2DevwtJWCIkCGi6C 8Lhbzb8A3wFbOAIIz2QsUpzoLe7itcCUYT7bQs2k6IcuVXJy2Z1bYKt/kYru36YcKiwy ELWa/KbIaPvvARCKKic6pGSEDrVVji5RgJijNPS+mH1NXedMVSWfsjFrIAuSQ+nErINB 6OoLjOOtBqS2IJr8Bmp/uwLAELUqTYlNjYPdV2VaM6YIePEgXF14WTiSkq+e8tUJi2ka 9dH67+TlE3PiT7N26WBdc7UcscplaN6TtCgrEYMapBcP6Y3YsEWhvqu2nSCtA6Dc95fP R6Ig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=NDq1RQlJryjKiBvpR2ZInkZM25Xn8rA+0PwZRzsZqes=; b=IDixsCAfPK295F2xAjQpJnHjSwOi5lzSekro1ntp0xvCtEHb9I2IX04aUM+SbhmTsF ilFdIInkrSBSqxuXrEUbY+F6T4cBiZy98bJk9Zh08MUNWtxnEaFVM6iFvLEpJiqUMT9N pdcOfmhqY+sqSo5Nv3RrTSJq0e/7hpz+PjZc/BXu5ITIZwJpIWtR69B7vtH8O1Wdt64i C6rCOpWYlbyZ+0MXSROxMTI4ruXvlXM7cT7XweSfZ889D/9A2AznVsS1c8bnnlml3L8v 5+oNw9N5nFhkMS+is88A0wOMhxxptNEebr7rbgHFSOgtNps1xlL1zH/B3imLJwwp5XzR i1bA== X-Gm-Message-State: AHQUAubxHu1j+fK+ew5tBHrTf7Ir/uwFyqiZmxTUHbkqcBlT3p6Vtk0v 7jd3sMYqOig0wM2I0ja7CbQoV/LazopJB3j9TYKM1xbWHCRyCA== X-Google-Smtp-Source: AHgI3IapbvjGcnhxMWKg+wQ++WTAYQxYY0g2mmbrLMtCl84i0ialCcrBwqfcQU/LFy7LitUR5dqXujGLQk7U398M1BE= X-Received: by 2002:a5b:98c:: with SMTP id c12mr17864155ybq.280.1550480883650; Mon, 18 Feb 2019 01:08:03 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Danie de Jager Date: Mon, 18 Feb 2019 11:07:37 +0200 Message-ID: To: submit@bugs.x2go.org Content-Type: multipart/alternative; boundary="0000000000004d2cc9058227763d" --0000000000004d2cc9058227763d Content-Type: text/plain; charset="UTF-8" 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@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@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@openssh.com, ssh-rsa-cert-v01@openssh.com,ssh-ed25519,ssh-rsa, ecdsa-sha2-nistp521-cert-v01@openssh.com, ecdsa-sha2-nistp384-cert-v01@openssh.com, ecdsa-sha2-nistp256-cert-v01@openssh.com ,ecdsa-sha2-nistp521,ecdsa-sha2-nistp384,ecdsa-sha2-nistp256 KexAlgorithms curve25519-sha256@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@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@openssh.com" Let me know if I can provide more information. Regards, *Danie de Jager* --0000000000004d2cc9058227763d Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Package: client

The client does not support chacha= 20 as I get this error when I try to connect to the X2Go server. I did hard= en my SSH configuration as guided by Mozzila

When I use defaults it works fine. It = seems that the library=C2=A0used by X2Go is missing some newer methods.

Config:
server ssh config:
KexAlgorithms=C2=A0curve25519-sha256@libssh.org,ecdh-sha2-nistp521,= ecdh-sha2-nistp384,ecdh-sha2-nistp256,diffie-hellman-group-exchange-sha256<= /font>
Ciphers=C2=A0chacha20-poly1= 305@openssh.com,aes256-gcm@openssh.com,aes128-gcm@openssh.com,aes256-ctr,aes192-ctr,aes128-ct= r

Client=C2=A0sshd config:
Client using default sshd config

or
<= br>
HashKnownHosts yes
KexAlgo= rithms=C2=A0curve25519-sha256@libssh.org,ecdh-sha2-nistp521,ecdh-sha2-nistp384,e= cdh-sha2-nistp256,diffie-hellman-group-exchange-sha256
MACs=C2= =A0hmac-= 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

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-sha= 1]"=

or sometimes

"cr= ypt_set_algorithms2: no crypto algorithm function found for chacha20-poly1305@opens= sh.com"

Let me know= if I can provide more information.

Regards,
Danie=C2=A0de Jager
--0000000000004d2cc9058227763d-- From unknown Fri Mar 29 02:45:43 2024 X-Loop: owner@bugs.x2go.org Subject: Bug#1373: [X2Go-Dev] Bug#1373: kex error : no match for method mac algo Reply-To: Antenore , 1373@bugs.x2go.org Resent-From: Antenore Resent-To: x2go-dev@lists.x2go.org Resent-CC: owner@bugs.x2go.org X-Loop: owner@bugs.x2go.org Resent-Date: Mon, 18 Feb 2019 10:25:02 +0000 Resent-Message-ID: Resent-Sender: owner@bugs.x2go.org X-X2Go-PR-Message: followup 1373 X-X2Go-PR-Package: client X-X2Go-PR-Keywords: Received: via spool by 1373-submit@bugs.x2go.org id=B1373.155048536417994 (code B ref 1373); Mon, 18 Feb 2019 10:25:02 +0000 Received: (at 1373) by bugs.x2go.org; 18 Feb 2019 10:22:44 +0000 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on ymir.das-netzwerkteam.de X-Spam-Level: X-Spam-Status: No, score=-1.9 required=3.0 tests=BAYES_00,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.2 Received: from localhost (localhost [127.0.0.1]) by ymir.das-netzwerkteam.de (Postfix) with ESMTP id 3ED405DAF1 for <1373@bugs.x2go.org>; Mon, 18 Feb 2019 11:22:42 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at ymir.das-netzwerkteam.de Received: from ymir.das-netzwerkteam.de ([127.0.0.1]) by localhost (ymir.das-netzwerkteam.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id ctMj9U0QnXrR for <1373@bugs.x2go.org>; Mon, 18 Feb 2019 11:22:28 +0100 (CET) X-Greylist: delayed 1216 seconds by postgrey-1.35 at ymir.das-netzwerkteam.de; Mon, 18 Feb 2019 11:22:24 CET Received: from 1.mo6.mail-out.ovh.net (1.mo6.mail-out.ovh.net [46.105.56.136]) by ymir.das-netzwerkteam.de (Postfix) with ESMTPS id E12915DAF2 for <1373@bugs.x2go.org>; Mon, 18 Feb 2019 11:22:24 +0100 (CET) Received: from player755.ha.ovh.net (unknown [10.109.146.53]) by mo6.mail-out.ovh.net (Postfix) with ESMTP id A23C81AF985 for <1373@bugs.x2go.org>; Mon, 18 Feb 2019 11:22:23 +0100 (CET) Received: from simbiosi.org (252.234.197.178.dynamic.wless.lssmb00p-cgnat.res.cust.swisscom.ch [178.197.234.252]) (Authenticated sender: antenore@simbiosi.org) by player755.ha.ovh.net (Postfix) with ESMTPSA id 8A23A2E7C0FA; Mon, 18 Feb 2019 10:22:18 +0000 (UTC) Date: Mon, 18 Feb 2019 11:22:16 +0100 User-Agent: K-9 Mail for Android In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable To: Danie de Jager ,1373@bugs.x2go.org,submit@bugs.x2go.org From: Antenore Message-ID: <770B1326-8C3F-418C-9EBF-E2861A673325@simbiosi.org> X-Ovh-Tracer-Id: 9754515321009295622 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: -100 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedtledrledvgddugeduucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuqfggjfdpvefjgfevmfevgfenuceurghilhhouhhtmecuhedttdenucesvcftvggtihhpihgvnhhtshculddquddttddm Package: client Hi Daniel, I'm just a reader, but X2GO uses libssh, that support the Kex you are using, so first of all, you have to install an updated version of libssh and eventually check if it has been compiled with the support of these algorithms=2E Normally, I think, on the X2GO side there is nothing more to do=2E Have a look here: https://www=2Elibssh=2Eorg/features/ On 18 February 2019 10:07:37 CET, Danie de Jager wrote: >Package: client > >The client does not support chacha20 as I get this error when I try to >connect to the X2Go server=2E I did harden my SSH configuration as guided >by >Mozzila >https://infosec=2Emozilla=2Eorg/guidelines/openssh > >When I use defaults it works fine=2E It seems that the library used by >X2Go >is missing some newer methods=2E > >Config: >server ssh config: >KexAlgorithms curve25519-sha256@libssh=2Eorg >,ecdh-sha2-nistp521,ecdh-sha2-nistp384,ecdh-sha2-nistp256,diffie-hellman-= group-exchange-sha256 >Ciphers chacha20-poly1305@openssh=2Ecom,aes256-gcm@openssh=2Ecom, >aes128-gcm@openssh=2Ecom,aes256-ctr,aes192-ctr,aes128-ctr >MACs hmac-sha2-512-etm@openssh=2Ecom,hmac-sha2-256-etm@openssh=2Ecom, >umac-128-etm@openssh=2Ecom,hmac-sha2-512,hmac-sha2-256,umac-128@openssh= =2Ecom > >Client sshd config: >Client using default sshd config > >or > >HashKnownHosts yes >HostKeyAlgorithms ssh-ed25519-cert-v01@openssh=2Ecom, >ssh-rsa-cert-v01@openssh=2Ecom,ssh-ed25519,ssh-rsa, >ecdsa-sha2-nistp521-cert-v01@openssh=2Ecom, >ecdsa-sha2-nistp384-cert-v01@openssh=2Ecom, >ecdsa-sha2-nistp256-cert-v01@openssh=2Ecom >,ecdsa-sha2-nistp521,ecdsa-sha2-nistp384,ecdsa-sha2-nistp256 >KexAlgorithms curve25519-sha256@libssh=2Eorg >,ecdh-sha2-nistp521,ecdh-sha2-nistp384,ecdh-sha2-nistp256,diffie-hellman-= group-exchange-sha256 >MACs hmac-sha2-512-etm@openssh=2Ecom,hmac-sha2-256-etm@openssh=2Ecom, >umac-128-etm@openssh=2Ecom,hmac-sha2-512,hmac-sha2-256,umac-128@openssh= =2Ecom >Ciphers chacha20-poly1305@openssh=2Ecom,aes256-gcm@openssh=2Ecom, >aes128-gcm@openssh=2Ecom,aes256-ctr,aes192-ctr,aes128-ctr > >Error: >"kex error : no match for method mac algo client->server: server [ >hmac-sha2-512-etm@openssh=2Ecom,hmac-sha2-256-etm@openssh=2Ecom, >umac-128-etm@openssh=2Ecom,hmac-sha2-512,hmac-sha2-256,umac-128@openssh= =2Ecom], >client [hmac-sha1]" > >or sometimes > >"crypt_set_algorithms2: no crypto algorithm function found for >chacha20-poly1305@openssh=2Ecom" > >Let me know if I can provide more information=2E > >Regards, >*Danie de Jager* From unknown Fri Mar 29 02:45:43 2024 X-Loop: owner@bugs.x2go.org Subject: Bug#1373: [X2Go-Dev] Bug#1373: kex error : no match for method mac algo Reply-To: Danie de Jager , 1373@bugs.x2go.org Resent-From: Danie de Jager Resent-To: x2go-dev@lists.x2go.org Resent-CC: owner@bugs.x2go.org X-Loop: owner@bugs.x2go.org Resent-Date: Mon, 18 Feb 2019 11:30:03 +0000 Resent-Message-ID: Resent-Sender: owner@bugs.x2go.org X-X2Go-PR-Message: followup 1373 X-X2Go-PR-Package: client X-X2Go-PR-Keywords: Received: via spool by 1373-submit@bugs.x2go.org id=B1373.15504891235712 (code B ref 1373); 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Mon, 18 Feb 2019 03:25:04 -0800 (PST) MIME-Version: 1.0 References: <770B1326-8C3F-418C-9EBF-E2861A673325@simbiosi.org> In-Reply-To: <770B1326-8C3F-418C-9EBF-E2861A673325@simbiosi.org> From: Danie de Jager Date: Mon, 18 Feb 2019 13:24:37 +0200 Message-ID: To: Antenore Cc: 1373@bugs.x2go.org, submit@bugs.x2go.org Content-Type: multipart/alternative; boundary="000000000000496228058229604c" --000000000000496228058229604c Content-Type: text/plain; charset="UTF-8" Thanks for your input. Maybe the client ships in a way where it is compiled to only support MACs of hmac-sha1-etm@openssh.com,hmac-sha1 When I add these to my server I can SSH to it and see remote screen with X2GO client. If I change the server's SSHD config and remove the 2 sha1 MACs I can still shh to the server but X2Go client stops working. To get the libssh updated for my OS won't necissarily allow the client to use it if the client was statically compiled using an older version. On Mon, 18 Feb 2019 at 12:22, Antenore wrote: > Package: client > > Hi Daniel, > > I'm just a reader, but X2GO uses libssh, that support the Kex you are > using, so first of all, you have to install an updated version of libssh > and eventually check if it has been compiled with the support of these > algorithms. > > Normally, I think, on the X2GO side there is nothing more to do. > > Have a look here: > > https://www.libssh.org/features/ > > On 18 February 2019 10:07:37 CET, Danie de Jager < > danie.dejager@striata.com> wrote: > >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@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@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@openssh.com, > >ssh-rsa-cert-v01@openssh.com,ssh-ed25519,ssh-rsa, > >ecdsa-sha2-nistp521-cert-v01@openssh.com, > >ecdsa-sha2-nistp384-cert-v01@openssh.com, > >ecdsa-sha2-nistp256-cert-v01@openssh.com > >,ecdsa-sha2-nistp521,ecdsa-sha2-nistp384,ecdsa-sha2-nistp256 > >KexAlgorithms curve25519-sha256@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@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@openssh.com" > > > >Let me know if I can provide more information. > > > >Regards, > >*Danie de Jager* > --000000000000496228058229604c Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
T= hanks for your input. Maybe the client ships in a way where it is compiled = to only support MACs of=C2=A0
hmac-sha1-etm@openssh.com,hmac-sha1

When I add these to my s= erver I can SSH to it and see remote screen with X2GO client. If I change t= he server's SSHD config and remove the 2 sha1 MACs I can still shh to t= he server but X2Go client stops working. To get the libssh updated for my O= S won't necissarily allow the client to use it if the client was static= ally=C2=A0compiled using an older version.

On Mon, 18 Feb 2019 = at 12:22, Antenore <antenore@si= mbiosi.org> wrote:
Package: client

Hi Daniel,

I'm just a reader, but X2GO uses libssh, that support the Kex you are using, so first of all, you have to install an updated version of libssh and eventually check if it has been compiled with the support of these
algorithms.

Normally, I think, on the X2GO side there is nothing more to do.

Have a look here:

https://www.libssh.org/features/

On 18 February 2019 10:07:37 CET, Danie de Jager <danie.dejager@striata.com> = wrote:
>Package: client
>
>The client does not support chacha20 as I get this error when I try to<= br> >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@libssh.org
>,ecdh-sha2-nistp521,ecdh-sha2-nistp384,ecdh-sha2-nistp256,diffie-hellma= n-group-exchange-sha256
>Ciphers chacha20-poly1305@openssh.com,aes256-gcm@openssh.com,
>aes128-gcm@= 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@openssh.com,
>ssh-r= sa-cert-v01@openssh.com,ssh-ed25519,ssh-rsa,
>ecdsa-sha2-nistp521-cert-v01@openssh.com,
>ecdsa-sha2-nistp384-cert-v01@openssh.com,
>ecdsa-sha2-nistp256-cert-v01@openssh.com
>,ecdsa-sha2-nistp521,ecdsa-sha2-nistp384,ecdsa-sha2-nistp256
>KexAlgorithms curve25519-sha256@libssh.org
>,ecdh-sha2-nistp521,ecdh-sha2-nistp384,ecdh-sha2-nistp256,diffie-hellma= n-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@= openssh.com,aes256-ctr,aes192-ctr,aes128-ctr
>
>Error:
>"kex error : no match for method mac algo client->server: serve= r [
>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
>chac= ha20-poly1305@openssh.com"
>
>Let me know if I can provide more information.
>
>Regards,
>*Danie de Jager*
--000000000000496228058229604c-- From unknown Fri Mar 29 02:45:43 2024 X-Loop: owner@bugs.x2go.org Subject: Bug#1373: [X2Go-Dev] Bug#1373: kex error : no match for method mac algo Reply-To: Antenore Gatta , 1373@bugs.x2go.org Resent-From: Antenore Gatta Resent-To: x2go-dev@lists.x2go.org Resent-CC: owner@bugs.x2go.org X-Loop: owner@bugs.x2go.org Resent-Date: Mon, 18 Feb 2019 11:55:01 +0000 Resent-Message-ID: Resent-Sender: owner@bugs.x2go.org X-X2Go-PR-Message: followup 1373 X-X2Go-PR-Package: client X-X2Go-PR-Keywords: Received: via spool by 1373-submit@bugs.x2go.org id=B1373.155049073814738 (code B ref 1373); Mon, 18 Feb 2019 11:55:01 +0000 Received: (at 1373) by bugs.x2go.org; 18 Feb 2019 11:52:18 +0000 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on ymir.das-netzwerkteam.de X-Spam-Level: X-Spam-Status: No, score=-1.9 required=3.0 tests=BAYES_00,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.2 Received: from localhost (localhost [127.0.0.1]) by ymir.das-netzwerkteam.de (Postfix) with ESMTP id 6AB415DAF2 for <1373@bugs.x2go.org>; Mon, 18 Feb 2019 12:52:17 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at ymir.das-netzwerkteam.de Received: from ymir.das-netzwerkteam.de ([127.0.0.1]) by localhost (ymir.das-netzwerkteam.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id mYRZz-hab4lG for <1373@bugs.x2go.org>; Mon, 18 Feb 2019 12:52:10 +0100 (CET) X-Greylist: delayed 4200 seconds by postgrey-1.35 at ymir.das-netzwerkteam.de; Mon, 18 Feb 2019 12:52:09 CET Received: from 9.mo5.mail-out.ovh.net (9.mo5.mail-out.ovh.net [178.32.96.204]) by ymir.das-netzwerkteam.de (Postfix) with ESMTPS id D256B5DAF1 for <1373@bugs.x2go.org>; Mon, 18 Feb 2019 12:52:09 +0100 (CET) Received: from player734.ha.ovh.net (unknown [10.109.160.251]) by mo5.mail-out.ovh.net (Postfix) with ESMTP id 2638821C92D for <1373@bugs.x2go.org>; Mon, 18 Feb 2019 10:24:45 +0100 (CET) Received: from simbiosi.org (deibp9eh1--blueice2n4.emea.ibm.com [195.212.29.174]) (Authenticated sender: antenore@simbiosi.org) by player734.ha.ovh.net (Postfix) with ESMTPSA id D39042C16253; Mon, 18 Feb 2019 09:24:43 +0000 (UTC) Date: Mon, 18 Feb 2019 10:24:41 +0100 From: Antenore Gatta To: 1373@bugs.x2go.org, submit@bugs.x2go.org Message-ID: <20190218102441.6f46c400@mom.ch.ibm.com> In-Reply-To: References: Organization: Simbiosi.org X-Mailer: Claws Mail 3.15.1-dirty (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Ovh-Tracer-Id: 8781174851743207683 X-VR-SPAMSTATE: OK X-VR-SPAMSCORE: 0 X-VR-SPAMCAUSE: gggruggvucftvghtrhhoucdtuddrgedtledrledvgdduvddvucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuqfggjfdpvefjgfevmfevgfenuceurghilhhouhhtmecuhedttdenuc Hi Daniel, I'm just a reader, but X2GO uses libssh, that support the Kex you are using, so first of all, you have to install an updated version of libssh and eventually check if it has been compiled with the support of these algorithms. Normally, I think, on the X2GO side there is nothing more to do. Have a look here: https://www.libssh.org/features/ On Mon, 18 Feb 2019 11:07:37 +0200 Danie de Jager wrote: > 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@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@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@openssh.com, > ssh-rsa-cert-v01@openssh.com,ssh-ed25519,ssh-rsa, > ecdsa-sha2-nistp521-cert-v01@openssh.com, > ecdsa-sha2-nistp384-cert-v01@openssh.com, > ecdsa-sha2-nistp256-cert-v01@openssh.com > ,ecdsa-sha2-nistp521,ecdsa-sha2-nistp384,ecdsa-sha2-nistp256 > KexAlgorithms curve25519-sha256@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@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@openssh.com" > > Let me know if I can provide more information. > > Regards, > *Danie de Jager* From unknown Fri Mar 29 02:45:43 2024 X-Loop: owner@bugs.x2go.org Subject: Bug#1373: [X2Go-Dev] Bug#1373: kex error : no match for method mac algo Reply-To: Mike Gabriel , 1373@bugs.x2go.org Resent-From: Mike Gabriel Resent-To: x2go-dev@lists.x2go.org Resent-CC: owner@bugs.x2go.org X-Loop: owner@bugs.x2go.org Resent-Date: Mon, 18 Feb 2019 20:40:02 +0000 Resent-Message-ID: Resent-Sender: owner@bugs.x2go.org X-X2Go-PR-Message: followup 1373 X-X2Go-PR-Package: client X-X2Go-PR-Keywords: Received: via spool by 1373-submit@bugs.x2go.org id=B1373.155052223428777 (code B ref 1373); Mon, 18 Feb 2019 20:40:02 +0000 Received: (at 1373) by bugs.x2go.org; 18 Feb 2019 20:37:14 +0000 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on ymir.das-netzwerkteam.de X-Spam-Level: * X-Spam-Status: No, score=1.7 required=3.0 tests=BAYES_00, RCVD_IN_BL_SPAMCOP_NET,RCVD_IN_SORBS_WEB,RDNS_NONE,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.2 Received: from localhost (localhost [127.0.0.1]) by ymir.das-netzwerkteam.de (Postfix) with ESMTP id 5173A5DAF2 for <1373@bugs.x2go.org>; Mon, 18 Feb 2019 21:37:07 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at ymir.das-netzwerkteam.de Received: from ymir.das-netzwerkteam.de ([127.0.0.1]) by localhost (ymir.das-netzwerkteam.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id dT295V0a1lUd for <1373@bugs.x2go.org>; Mon, 18 Feb 2019 21:37:01 +0100 (CET) Received: from fregna.das-netzwerkteam.de (unknown [IPv6:2a01:4f8:202:1381::1]) by ymir.das-netzwerkteam.de (Postfix) with ESMTPS id 5B2A25DAF1 for <1373@bugs.x2go.org>; Mon, 18 Feb 2019 21:37:01 +0100 (CET) Received: from grimnir.das-netzwerkteam.de (grimnir.das-netzwerkteam.de [148.251.201.105]) by fregna.das-netzwerkteam.de (Postfix) with ESMTPS id 3853360473 for <1373@bugs.x2go.org>; Mon, 18 Feb 2019 20:37:01 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by grimnir.das-netzwerkteam.de (Postfix) with ESMTP id 3235CD34AB for <1373@bugs.x2go.org>; Mon, 18 Feb 2019 21:37:01 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at grimnir.das-netzwerkteam.de Received: from grimnir.das-netzwerkteam.de ([127.0.0.1]) by localhost (grimnir.das-netzwerkteam.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Oc1AI4OfEBGS for <1373@bugs.x2go.org>; Mon, 18 Feb 2019 21:36:55 +0100 (CET) Received: from das-netzwerkteam.de (localhost [127.0.0.1]) by grimnir.das-netzwerkteam.de (Postfix) with ESMTPS id 5C0F4D34D0 for <1373@bugs.x2go.org>; Mon, 18 Feb 2019 21:36:55 +0100 (CET) Received: from [65.19.167.132] ([65.19.167.132]) by mail.das-netzwerkteam.de (Horde Framework) with HTTPS; Mon, 18 Feb 2019 20:36:55 +0000 Date: Mon, 18 Feb 2019 20:36:55 +0000 Message-ID: <20190218203655.Horde.ZxHTyiUkDbzxblMamIGj2JK@mail.das-netzwerkteam.de> From: Mike Gabriel To: 1373@bugs.x2go.org References: In-Reply-To: User-Agent: Horde Application Framework 5 Accept-Language: de,en Organization: DAS-NETZWERKTEAM X-Originating-IP: 65.19.167.132 X-Remote-Browser: Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0 Content-Type: multipart/signed; boundary="=_2lmkOMD2e4eROtc_3tjK7tv"; protocol="application/pgp-signature"; micalg=pgp-sha256 MIME-Version: 1.0 This message is in MIME format and has been PGP signed. --=_2lmkOMD2e4eROtc_3tjK7tv Content-Type: text/plain; charset=utf-8; format=flowed; DelSp=Yes Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Control: reassign -1 x2goclient Control: forcemerge #1374 -1 On Mo 18 Feb 2019 10:07:37 CET, Danie de Jager wrote: > 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 b= y > 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. > [...] Doing some bts major domo work... Mike --=20 DAS-NETZWERKTEAM c\o=20Technik- und =C3=96kologiezentrum Eckernf=C3=B6rde Mike Gabriel, Marienthaler str. 17, 24340 Eckernf=C3=B6rde 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@das-netzwerkteam.de, http://das-netzwerkteam.de --=_2lmkOMD2e4eROtc_3tjK7tv Content-Type: application/pgp-signature Content-Description: Digitale PGP-Signatur Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIzBAABCAAdFiEEm/uu6GwKpf+/IgeCmvRrMCV3GzEFAlxrF2YACgkQmvRrMCV3 GzGDeQ/+MUB0FUFY5seBEbsAIFKUhPLvJHnW2WHms71nfsoTyn3Z6FUcz6FDUM2N FAcP2j42rijHkZhqmEeC2ATZpAgjWmGKsMTJkget1AN7qim8RyZ7Aqg9mLkbkxfV oL9PknsdWgpR6p6Rpyly0o4IrF4ssVciyz4tZQVOFiHanp8MjlOKsGAy6OvE8R7V tu3iMjs0C/tjaLPYA35OPJytMlwZ4S6PKpunQ3QAK2Zjd/H3/dyEJvprAQtRcFEU +Z+rVffpyUGqDOtiUIpAn7g7tgxzbiQIkjYx2H6KVTTwt42BG9pusm3Pqti+JIP9 W2xV0iJGlGJhB3+t9T6QPyvTy2bhNmzbh5HPqJbHxCutfMca7feV1zGW4BKPUAyA /ZqKQoShyebWrbQwTnlLhqfdJCNlidcmXaEoLGNx9/ub/vUkpln3sOWF9FZNS+fg 8dfVl5YBg5Mw5DRtmciPvIbQkKcHdj4a8gR2th96LhJul7oRueOUVWqubKicdkge SSpTsNDDNHrMt7JXvHO/gVvxShMi/agJiWLu9YOVolMth2Ca0axyOl5Jyo1EKPW4 fdafe4tY9x77WD0HV/E9ZKNyYbBlFsKJErSq2Bl0vE8u/2UsnrB8i0gFduIXD7dx HiyABW6gq7fUJHhpXVzZTSZnGBkATjHG8yXcl7gu8vr4lXmZVeg= =I9PC -----END PGP SIGNATURE----- --=_2lmkOMD2e4eROtc_3tjK7tv-- From mike.gabriel@das-netzwerkteam.de Mon Feb 18 21:50:59 2019 Received: (at control) by bugs.x2go.org; 18 Feb 2019 20:50:59 +0000 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on ymir.das-netzwerkteam.de X-Spam-Level: X-Spam-Status: No, score=0.9 required=3.0 tests=BAYES_00, RCVD_IN_BL_SPAMCOP_NET,RCVD_IN_SORBS_WEB,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.2 Received: from localhost (localhost [127.0.0.1]) by ymir.das-netzwerkteam.de (Postfix) with ESMTP id EB55C5DAF4 for ; Mon, 18 Feb 2019 21:50:58 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at ymir.das-netzwerkteam.de Received: from ymir.das-netzwerkteam.de ([127.0.0.1]) by localhost (ymir.das-netzwerkteam.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id B-HjZS-bu8wn for ; Mon, 18 Feb 2019 21:50:54 +0100 (CET) Received: from fregna.das-netzwerkteam.de (fregna.das-netzwerkteam.de [148.251.53.130]) by ymir.das-netzwerkteam.de (Postfix) with ESMTPS id 178F25DAF1 for ; Mon, 18 Feb 2019 21:50:54 +0100 (CET) Received: from grimnir.das-netzwerkteam.de (grimnir.das-netzwerkteam.de [IPv6:2a01:4f8:202:1381::105]) by fregna.das-netzwerkteam.de (Postfix) with ESMTPS id 0F2BC605E0 for ; Mon, 18 Feb 2019 20:50:54 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by grimnir.das-netzwerkteam.de (Postfix) with ESMTP id 062A0D23A2 for ; Mon, 18 Feb 2019 21:50:54 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at grimnir.das-netzwerkteam.de Received: from grimnir.das-netzwerkteam.de ([127.0.0.1]) by localhost (grimnir.das-netzwerkteam.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bpzC3oMs8O5Z for ; Mon, 18 Feb 2019 21:50:48 +0100 (CET) Received: from das-netzwerkteam.de (localhost [127.0.0.1]) by grimnir.das-netzwerkteam.de (Postfix) with ESMTPS id 5B172D353E for ; Mon, 18 Feb 2019 21:44:03 +0100 (CET) Received: from [65.19.167.132] ([65.19.167.132]) by mail.das-netzwerkteam.de (Horde Framework) with HTTPS; Mon, 18 Feb 2019 20:44:03 +0000 Date: Mon, 18 Feb 2019 20:44:03 +0000 Message-ID: <20190218204403.Horde.Qc3x9KzEq7TZfIUmOLEidB1@mail.das-netzwerkteam.de> From: Mike Gabriel To: control@bugs.x2go.org Subject: housekeeping... User-Agent: Horde Application Framework 5 Accept-Language: de,en Organization: DAS-NETZWERKTEAM X-Originating-IP: 65.19.167.132 X-Remote-Browser: Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0 Content-Type: multipart/signed; boundary="=_xJ_tZT_e0NmnX2wPXJWfu2s"; protocol="application/pgp-signature"; micalg=pgp-sha256 MIME-Version: 1.0 This message is in MIME format and has been PGP signed. --=_xJ_tZT_e0NmnX2wPXJWfu2s Content-Type: text/plain; charset=utf-8; format=flowed; DelSp=Yes Content-Disposition: inline Content-Transfer-Encoding: quoted-printable reassign #1374 x2goclient forcemerge #1373 #1374 kthxbye --=20 DAS-NETZWERKTEAM c\o=20Technik- und =C3=96kologiezentrum Eckernf=C3=B6rde Mike Gabriel, Marienthaler str. 17, 24340 Eckernf=C3=B6rde 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@das-netzwerkteam.de, http://das-netzwerkteam.de --=_xJ_tZT_e0NmnX2wPXJWfu2s Content-Type: application/pgp-signature Content-Description: Digitale PGP-Signatur Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIzBAABCAAdFiEEm/uu6GwKpf+/IgeCmvRrMCV3GzEFAlxrGRIACgkQmvRrMCV3 GzGTkQ//ZxaGsT/W55l5roeesa8CE8jtwvCZgCGfGlyKitL0yPk81pifW+YPEL7i EXaegqZTBLGkU/NMr0fHdKdfc2cBTKijIrjIAzexeWlG3BLN76pq4we8kd3reDUa k2zGUIp2rPkrEMaO+eccquZYT1EIb05FX/N7WwPgmyquwqri+1xNwgdjD+NREiiQ p6R05B1Bniec3AgIAqTYYVVIMeYir2Wz/3HX2o6Cs7MaqtsXExbU6UM8nH6kI+0k 13x2OZvF7GZn173C7mWdWRqEtgvU+YeqgJJixQYw1lhJrnsBWUcjJbtrRXI/S+F+ teMUfaPrVvYh0TYvTe3natejc8mlC5cUAEO3YRMCqBWnWlTVKa6mXJC9yCFyJk9l G8lAd66JQ+hFEmlOk8mtC7IrVgf24t9S1bD0kLAH5v9Foqkk4XSU/11sPphIYjN+ YNMoWwKQdxUUBMJbFtJsO3gBGCkHk2C9qsWUO+zT4u7DovqJLZqKlg8GLGTNkoVs 3fSAwTCWqatI+a5hrtazyesb5EwPw6AUto5o7qQPObwZUNPxPipdudfMqopXikjg ZdK549pVYl+Jgk7lJybTPhKS3FcwGUHfeKRtcfk+RKcW94nHJzGXLQFrNA4HVqwO d+QS9qlfq01reyIZb0UMD0KnlPXaM6EVDsuwDcxOSEN57/YEIrk= =GA15 -----END PGP SIGNATURE----- --=_xJ_tZT_e0NmnX2wPXJWfu2s--