Date: Thu, 14 Apr 2016 12:55:06 +0300 From: Daniel Kalchev <daniel@digsys.bg> To: "Patrick M. Hausen" <hausen@punkt.de> Cc: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: OpenSSH changes between 10.2 and 10.3 ... Message-ID: <42636FC4-F14D-4BA8-A181-5C2568101A30@digsys.bg> In-Reply-To: <2DD338AE-8DF8-4E59-AE3F-11DF704E455A@punkt.de> References: <2DD338AE-8DF8-4E59-AE3F-11DF704E455A@punkt.de>
next in thread | previous in thread | raw e-mail | index | archive | help
host *
KexAlgorithms diffie-hellman-group1-sha1
in ~/.ssh/config works for me.
Daniel=20
> On 14.04.2016 =D0=B3., at 12:44, Patrick M. Hausen <hausen@punkt.de> =
wrote:
>=20
> Hi, all,
>=20
> minor problem/annoyance here:
>=20
> root@noc:/etc/ssh # ssh admin@10.4.0.62
> Unable to negotiate with 10.4.0.62 port 22: no matching key exchange =
method found. Their offer: diffie-hellman-group1-sha1,none
> root@noc:/etc/ssh # uname -a
> FreeBSD noc.pluspunkthosting.de 10.3-RELEASE FreeBSD 10.3-RELEASE #3: =
Wed Apr 13 14:46:57 CEST 2016 =
root@noc.pluspunkthosting.de:/usr/obj/usr/src/sys/GENERIC amd64
>=20
> Of course I was able to find http://www.openssh.com/legacy.html =
myself.
>=20
> FreeBSD 10.2 uses OpenSSH 6.6.x while 10.3 imported 7.2.
> So far so good.
>=20
> The recommended method from the document above works on the
> command line:
>=20
> ssh -oKexAlgorithms=3D+diffie-hellman-group1-sha1 =
admin@10.4.0.62
>=20
> But if I add
>=20
> KexAlgorithms +diffie-hellman-group1-sha1
>=20
> to /etc/ssh/ssh_config, that does not change anything. Oddly enough,
> checking which algorithms are supported gives the same result
> regardless of any configuration options:
>=20
> root@noc:/etc/ssh # ssh -Q kex
> diffie-hellman-group1-sha1
> diffie-hellman-group14-sha1
> diffie-hellman-group-exchange-sha1
> diffie-hellman-group-exchange-sha256
> ecdh-sha2-nistp256
> ecdh-sha2-nistp384
> ecdh-sha2-nistp521
> curve25519-sha256@libssh.org
>=20
> So, diffie-hellman-group1-sha1 is supported but not used unless
> specified on the command line? And there is no way to override that
> *globally*? This is an isolated management network with IPMI
> interfaces - we won't be getting updates for all of these machines'
> IPMI firmware ...
>=20
> Am I stuck with writing shell aliases or putting the config in each =
and
> every user's private ~/.ssh/config?
>=20
> Thanks for any hints,
> Patrick
> --=20
> punkt.de GmbH * Kaiserallee 13a * 76133 Karlsruhe
> Tel. 0721 9109 0 * Fax 0721 9109 100
> info@punkt.de http://www.punkt.de
> Gf: J=C3=BCrgen Egeling AG Mannheim 108285
>=20
> _______________________________________________
> freebsd-stable@freebsd.org mailing list
> https://lists.freebsd.org/mailman/listinfo/freebsd-stable
> To unsubscribe, send any mail to =
"freebsd-stable-unsubscribe@freebsd.org"
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?42636FC4-F14D-4BA8-A181-5C2568101A30>