[CentOS] vsftp vs shell logins
William Suffill
william.suffill at gmail.com
Sun Jan 29 21:38:39 UTC 2006
SSHD_config can be tweaked to block them or just block a whole group
http://www.openbsd.org/cgi-bin/man.cgi?query=sshd_config
DenyGroups
This keyword can be followed by a list of group name patterns,
separated by spaces. Login is disallowed for users whose primary
group or supplementary group list matches one of the patterns.
`*' and `?' can be used as wildcards in the patterns. Only group
names are valid; a numerical group ID is not recognized. By de-
fault, login is allowed for all groups.
DenyUsers
This keyword can be followed by a list of user name patterns,
separated by spaces. Login is disallowed for user names that
match one of the patterns. `*' and `?' can be used as wildcards
in the patterns. Only user names are valid; a numerical user ID
is not recognized. By default, login is allowed for all users.
If the pattern takes the form USER at HOST then USER and HOST are
separately checked, restricting logins to particular users from
particular hosts.
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