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Global initialization files must contain the mesg -n or mesg n commands.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-825 | GEN001780 | SV-45106r1_rule | Low |
| Description |
|---|
| If the "mesg -n" or "mesg n" command is not placed into the system profile, messaging can be used to cause a Denial of Service attack. |
| STIG | Date |
|---|---|
| SUSE Linux Enterprise Server v11 for System z | 2017-08-25 |
Details
| Check Text ( C-42463r1_chk ) |
|---|
| Check global initialization files for the presence of "mesg -n" or "mesg n". Procedure: # grep "mesg" /etc/bash.bashrc /etc/csh.cshrc /etc/csh.login /etc/environment /etc/ksh.kshrc /etc/profile /etc/profile.d/* /etc/zshrc If no global initialization files contain "mesg -n" or "mesg n", this is a finding. |
| Fix Text (F-38505r1_fix) |
|---|
| Edit /etc/profile or another global initialization script, and add the "mesg -n" command. |