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The SSH daemon must be configured for IP filtering.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-12022 | GEN005540 | SV-64101r1_rule | ECSC-1 ECWM-1 | Medium |
| Description |
|---|
| The SSH daemon must be configured for IP filtering to provide a layered defense against connection attempts from unauthorized addresses. |
| STIG | Date |
|---|---|
| Oracle Linux 5 Security Technical Implementation Guide | 2015-03-26 |
Details
| Check Text ( C-52517r1_chk ) |
|---|
| 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-54629r1_fix) |
|---|
| Add appropriate IP restrictions for SSH to the /etc/hosts.deny and/or /etc/hosts.allow files. |