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← Back to IBM AIX 7.x Security Technical Implementation Guide

V-215313

CAT II (Medium)

The AIX syslog daemon must not accept remote messages unless it is a syslog server documented using site-defined procedures.

Rule ID

SV-215313r991589_rule

STIG

IBM AIX 7.x Security Technical Implementation Guide

Version

V3R2

CCIs

CCI-000366

Discussion

Unintentionally running a syslog server accepting remote messages puts the system at increased risk. Malicious syslog messages sent to the server could exploit vulnerabilities in the server software itself, could introduce misleading information in to the system's logs, or could fill the system's storage leading to a Denial of Service.

Check Content

Verify "syslogd" is running with the "-R" option using command: 
# ps -ef | grep syslogd | grep -v grep 

The above command should yield the following output:
    root  4063356  3342368   0   Sep 11      -  0:01 /usr/sbin/syslogd -R

If the "-R" option is not present with the syslogd process, this is a finding.

Fix Text

Change the "syslogd" arguments in the src subsystem control and restart the "syslogd" daemon using the following commands:
# chssys -s syslogd -a '-R' 
# stopsrc -s syslogd 
# startsrc -s syslogd