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XCCDF
Guide to the Secure Configuration of openSUSE
Services
SSH Server
Configure OpenSSH Server if Necessary
Disable SSH Support for User Known Hosts
Disable SSH Support for User Known Hosts
An XCCDF Rule
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Disable SSH Support for User Known Hosts
Medium Severity
SSH can allow system users to connect to systems if a cache of the remote systems public keys is available. This should be disabled.
To ensure this behavior is disabled, add or correct the following line in
/etc/ssh/sshd_config
:
IgnoreUserKnownHosts yes