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August 2015

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[arch-announce] openssh-7.0p1 deprecates ssh-dss keys
by Arch Linux: Recent news updates: Gaetan Bisson 14 Aug '15

14 Aug '15

In light of recently discovered vulnerabilities, the new `openssh-7.0p1` release deprecates keys of `ssh-dss` type, also known as DSA keys. See the [upstream announcement][1] for details. Before updating and restarting `sshd` on a remote host, make sure you do not rely on such keys for connecting to it. To enumerate DSA keys granting access to a given account, use: grep ssh-dss ~/.ssh/authorized_keys If you have any, ensure you have alternative means of logging in, such as key pairs of a different type, or password authentication. Finally, host keys of `ssh-dss` type being deprecated too, you might have to confirm a new fingerprint (for a host key of a different type) when connecting to a freshly updated server. [1]: http://lists.mindrot.org/pipermail/openssh-unix- announce/2015-August/000122.html URL: https://www.archlinux.org/news/openssh-70p1-deprecates-ssh-dss-keys/

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