The ntalk daemon must be disabled on AIX.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| high | V-215375 | SRG-OS-000095-GPOS-00049 | AIX7-00-003070 | SV-215375r958478_rule | 2024-08-16 | 3 |
| Description |
|---|
| This service establishes a two-way communication link between two users, either locally or remotely. Unless required the ntalk service will be disabled to prevent attacks. |
| ℹ️ Check |
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| From the command prompt, execute the following command: # grep "^ntalk[[:blank:]]" /etc/inetd.conf If there is any output from the command, this is a finding. |
| ✔️ Fix |
|---|
| In "/etc/inetd.conf", comment out the "ntalk" entry by running command: # chsubserver -r inetd -C /etc/inetd.conf -d -v 'ntalk' -p 'udp' Restart inetd: # refresh -s inetd |