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$EscapeControlCharactersOnReceive
---------------------------------
**Type:** global configuration parameter
**Default:** on
**Description:**
This parameter instructs rsyslogd to replace control characters during
reception of the message. The intent is to provide a way to stop
non-printable messages from entering the syslog system as whole. If this
option is turned on, all control-characters are converted to a 3-digit
octal number and be prefixed with the $ControlCharacterEscapePrefix
character (being '\\' by default). For example, if the BEL character
(ctrl-g) is included in the message, it would be converted to "\\007".
To be compatible to sysklogd, this option must be turned on.
**Warning:**
- turning on this option most probably destroys non-western character
sets (like Japanese, Chinese and Korean)
- turning on this option destroys digital signatures if such exists
inside the message
- if turned on, the drop-cc, space-cc and escape-cc `property
replacer <property_replacer.html>`_ options do not work as expected
because control characters are already removed upon message
reception. If you intend to use these property replacer options, you
must turn off $EscapeControlCharactersOnReceive.
**Sample:**
``$EscapeControlCharactersOnReceive on``
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