AIX7-00-002112 - The AIX SSH daemon must be configured for IP filtering - /etc/hosts.deny

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Information

The SSH daemon must be configured for IP filtering to provide a layered defense against connection attempts from unauthorized addresses.

Solution

Add appropriate IP restrictions for SSH to the '/etc/hosts.deny' and/or '/etc/hosts.allow' files.

TCP Wrappers can be installed from the AIX Expansion Pack by installing fileset 'netsec.options.tcpwrappers' using the following command (assume AIX Expansion Pack is mounted on /dev/cd0):
# installp -aXYgd /dev/cd0 -e /tmp/install.log netsec.options.tcpwrappers

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_IBM_AIX_7-x_V2R6_STIG.zip