/usr/share/debian-lan-config/fai/config/files/etc/rsyslog.d/debian-lan.conf/LOG_SERVER is in debian-lan-config 0.19+deb8u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 | # provides UDP syslog reception
$ModLoad imudp
$UDPServerRun 514
# provides TCP syslog reception
#$ModLoad imtcp
#$InputTCPServerRun 514
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