From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter =?utf-8?q?M=C3=BCller?= To: development@lists.ipfire.org Subject: [PATCH 1/3] SSH client configuration: Use Protocol version 2 only Date: Wed, 12 Sep 2018 19:50:43 +0200 Message-ID: <20180912175045.7636-1-peter.mueller@link38.eu> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0404751759229309037==" List-Id: --===============0404751759229309037== Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable SSH Protocol version 1 is insecure and must not be used anymore. Restrict SSH client configuration to ensure only version 2 is used. Signed-off-by: Peter M=C3=BCller --- config/ssh/ssh_config | 3 +++ 1 file changed, 3 insertions(+) diff --git a/config/ssh/ssh_config b/config/ssh/ssh_config index 2abfae6d1..b36909f85 100644 --- a/config/ssh/ssh_config +++ b/config/ssh/ssh_config @@ -5,6 +5,9 @@ Host * # disable Roaming as it is known to be vulnerable UseRoaming no =20 + # only use version 2 of SSH protocol + Protocol 2 + # only use secure crypto algorithm KexAlgorithms curve25519-sha256(a)libssh.org,diffie-hellman-group-ex= change-sha256 Ciphers chacha20-poly1305(a)openssh.com,aes256-gcm(a)openssh.com,aes= 128-gcm(a)openssh.com,aes256-ctr,aes192-ctr,aes128-ctr --=20 2.16.4 --===============0404751759229309037==--