Public bug reported:
with ssh login successes or failures, using IPv6, checks using the "-i"
option for /usr/bin/last or /usr/bin/lastb do not display the correct IP
address.
it appears to be reporting the ipv6 address "fc00:dead::2", or "fc00:dead::3"
ass the same address, namely
252.0.222.173
i found that my Ubuntu systems were not logging failed ssh logins, apparently
due to the default file permissions on /var/log/btmp 660. i heard that sshd
willnot log to a file with group writeable perms; when i changed the perms to
600, lastb started reporting failed attempts.
-sff
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