$EscapeControlCharactersOnReceive

Type: global configuration directive

Default: on

Description:

This directive 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

Sample:

$EscapeControlCharactersOnReceive on

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This documentation is part of the rsyslog project.
Copyright © 2007 by Rainer Gerhards and Adiscon. Released under the GNU GPL version 2 or higher.