Finding ID | Version | Rule ID | IA Controls | Severity |
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V-12022 | GEN005540 | SV-37913r1_rule | ECSC-1 ECWM-1 | Medium |
Description |
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The SSH daemon must be configured for IP filtering to provide a layered defense against connection attempts from unauthorized addresses. |
STIG | Date |
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Red Hat Enterprise Linux 5 Security Technical Implementation Guide | 2014-01-09 |
Check Text ( C-37139r1_chk ) |
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Check the TCP wrappers configuration files to determine if sshd is configured to use TCP wrappers. Procedure: # grep sshd /etc/hosts.deny # grep sshd /etc/hosts.allow If no entries are returned, the TCP wrappers are not configured for sshd, this is a finding. |
Fix Text (F-32407r1_fix) |
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Add appropriate IP restrictions for SSH to the /etc/hosts.deny and/or /etc/hosts.allow files. |