Use this documentation with care! It describes the heavily outdated version 5, which was actively developed around 2010 and is considered dead by the rsyslog team for many years now.

This documentation reflects the latest update of the previously existing (now removed) v5-stable branch. It describes the 5.10.2 version, which was never released. As such, it contains some content that does not apply to any released version.

To obtain the doc that properly matches your installed v5 version, obtain the doc set from your distro. Each version of rsyslog contained the version that exactly matches it.

As general advise, it is strongly suggested to upgrade to the current version supported by the rsyslog project. The current version can always be found on the right-hand side info box on the rsyslog web site.

Note that there is no rsyslog community support available for this heavily outdated version. If you need to stick with it, please ask your distribution for support.

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$Escape8BitCharactersOnReceive

Type: global configuration directive

Default: off

Available Since: 5.5.2

Description:

This directive instructs rsyslogd to replace non US-ASCII characters (those that have the 8th bit set) during reception of the message. This may be useful for some systems. Please note that this escaping breaks Unicode and many other encodings. Most importantly, it can be assumed that Asian and European characters will be rendered hardly readable by this settings. However, it may still be useful when the logs themself are primarily in English and only occasionally contain local script. 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).

Warning:

• turning on this option most probably destroys non-western character sets (like Japanese, Chinese and Korean) as well as European character sets.
• 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 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 $Escape8BitCharactersOnReceive.

Sample:

$Escape8BitCharactersOnReceive on

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This documentation is part of the rsyslog project. Copyright © 2010 by Rainer Gerhards and Adiscon. Released under the GNU GPL version 3 or higher.