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

From HP-UX 11.23 Security Technical Implementation Guide

Associated with IA controls: ECSC-1

Associated with: CCI-000366

SV-35195r1_rule The syslog daemon must not accept remote messages unless it is a syslog server documented using site-defined procedures.

Vulnerability 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.

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Fix text

Edit the /etc/rc.config.d/syslogd configuration startup script and add the -N option to the syslogd command. Restart the syslogd service via the following command(s): # /sbin/init.d/syslogd stop # /sbin/init.d/syslogd start

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