From: "Peter Müller" <peter.mueller@link38.eu>
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 [thread overview]
Message-ID: <20180912175045.7636-1-peter.mueller@link38.eu> (raw)
[-- Attachment #1: Type: text/plain, Size: 874 bytes --]
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 Müller <peter.mueller(a)link38.eu>
---
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
+ # only use version 2 of SSH protocol
+ Protocol 2
+
# only use secure crypto algorithm
KexAlgorithms curve25519-sha256(a)libssh.org,diffie-hellman-group-exchange-sha256
Ciphers chacha20-poly1305(a)openssh.com,aes256-gcm(a)openssh.com,aes128-gcm(a)openssh.com,aes256-ctr,aes192-ctr,aes128-ctr
--
2.16.4
next reply other threads:[~2018-09-12 17:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-12 17:50 Peter Müller [this message]
2018-09-12 17:50 ` [PATCH 2/3] SSH client configuration: Hash known_hosts entries Peter Müller
2018-09-12 17:50 ` [PATCH 3/3] SSH client configuration: Prefer server host keys in different order Peter Müller
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