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>6.12. Syslog logging</A
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><P
><SPAN
CLASS="APPLICATION"
>yule</SPAN
> (version 1.2.8+) can
listen on port 514/udp to collect
reports from syslog clients.
This must be enabled by using the
<B
CLASS="COMMAND"
>--enable-udp</B
> configure option
when compiling. In addition, in the <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Misc</I
></SPAN
>
section of the
configuration file, you must set the
option <B
CLASS="COMMAND"
>SetUDPActive=<TT
CLASS="REPLACEABLE"
><I
>yes</I
></TT
></B
>.</P
><P
>This option requires to run
<SPAN
CLASS="APPLICATION"
>yule</SPAN
> either as
<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>root</I
></SPAN
>, or as <SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>SUID</I
></SPAN
> root.
For security, <SPAN
CLASS="APPLICATION"
>yule</SPAN
> will drop root
privileges irrevocably immediately
after binding to port 514/udp. It will assume the credentials
of some compiled-in user. The default is 'yule', 'daemon', or 'nobody' (i.e.
the first of these that exists on your system). You can override this with the
<B
CLASS="COMMAND"
>--enable-identity=<TT
CLASS="REPLACEABLE"
><I
>USER</I
></TT
></B
> option.
Note that each daemon should have its own user/group, such that an exploit
will not give write access to files owned by other daemons.</P
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