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The finger daemon must be disabled on AIX.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-91409 | AIX7-00-003084 | SV-101507r1_rule | Medium |
| Description |
|---|
| The fingerd daemon provides the server function for the finger command. This allows users to view real-time pertinent user login information on other remote systems. This service should be disabled as it may provide an attacker with a valid user list to target. |
| STIG | Date |
|---|---|
| IBM AIX 7.x Security Technical Implementation Guide | 2020-02-24 |
Details
| Check Text ( C-90563r1_chk ) |
|---|
| From the command prompt, execute the following command: # grep "^finger[[:blank:]]" /etc/inetd.conf If there is any output from the command, this is a finding. |
| Fix Text (F-97607r1_fix) |
|---|
| In "/etc/inetd.conf", comment out the "finger" entry by running command: # chsubserver -r inetd -C /etc/inetd.conf -d -v 'finger' -p 'tcp' Restart inetd: # refresh -s inetd |