rsyslog
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Nom | rsyslog |
---|---|
Site web | rsyslog.com |
license | GPLv3 (GPLv2 for v2 branch) |
Input Sources | |
UNIX domain socket | Oui |
UDP | Oui |
TCP | Oui |
RELP | Oui |
RFC 3195/BEEP | Oui (via im3195) |
kernel log | Oui |
file | Oui |
mark message generator as an optional input | Oui |
Standard output (stdout) of an application | |
Named pipe | |
Handle multi-line messages like Apache Tomcat or Oracle log messages | |
Windows Event Log | Oui a Windows event logging software such as EventReporter orMonitorWare Agent (both commercial software, both fund rsyslogdevelopment) |
Network (Protocol) Support | |
support for (plain) tcp based syslog | Oui |
support for GSS-API | Oui |
ability to limit the allowed network senders (syslog ACLs) | Oui |
support for syslog-transport-tls based framing on syslog/tcp connections | Oui |
udp syslog | Oui |
syslog over RELP | Oui |
truly reliable message delivery (Why is plain tcp syslog not reliable?) | Oui |
on the wire (zlib) message compression | Oui |
support for receiving messages via reliable RFC 3195 delivery | Oui |
support for TLS/SSL-protected syslog | Oui (since 3.19.0)via stunnel |
support for IETF's new syslog-protocol draft | Oui |
support for IETF's new syslog-transport-tls draft | Oui (since 3.19.0 - world's first implementation) |
support for IPv6 | Oui |
native ability to send SNMP traps | Oui |
ability to preserve the original hostname in NAT environments and relay chains | Oui |
Message Filtering | |
Filtering for syslog facility and priority | Oui |
Filtering for hostname | Oui |
Filtering for application | Oui |
Filtering for message contents | Oui |
Filtering for sending IP address | Oui |
ability to filter on any other message field not mentioned above (including substrings and the like) | Oui |
support for complex filters, using full boolean algebra with and/or/not operators and parenthesis | Oui |
Support for reusable filters: specify a filter once and use it in multiple selector lines no | |
support for arbritrary complex arithmetic and string expressions inside filters | Oui |
ability to use regular expressions in filters | Oui |
support for discarding messages based on filters | Oui |
ability to filter out messages based on sequence of appearing | Oui (starting with 3.21.3) |
powerful BSD-style hostname and program name blocks for easy multi-host support | Oui |
Supported Database Outputs | |
MySQL | Oui (native ommysql, omlibdbi) |
PostgreSQL | Oui (native ompgsql, omlibdbi) |
Oracle | Oui (omlibdbi) |
SQLite | Oui (omlibdbi) |
Microsoft SQL (Open TDS) | Oui (omlibdbi) |
Sybase (Open TDS) | Oui (omlibdbi) |
Firebird/Interbase | Oui (omlibdbi) |
Ingres | Oui (omlibdbi) |
mSQL | Oui (omlibdbi) |
Enterprise Features | |
support for on-demand on-disk spooling of messages | Oui |
ability to limit disk space used by spool files | Oui |
each action can use its own, independant set of spool files | Oui |
different sets of spool files can be placed on different disk | Oui |
ability to process spooled messages only during a configured timeframe (e.g. only during off-peak hours, during peak hours they are enqueued only) | Oui (can independently be configured for the main queue and each action queue) |
ability to configure backup syslog/database servers | Oui |
Professional Support | Oui |
Config File | |
config file format | compatible to legacy syslogd but ugly |
ability to include config file from within other config files | Oui |
ability to include all config files existing in a specific directory | Oui |
Extensibility | |
Functionality split in separately loadable modules | Oui |
Support for third-party input plugins | Oui |
Support for third-party output plugins | Oui |
Other Features | |
ability to generate file names and directories (log targets) dynamically | Oui |
control of log output format, including ability to present channel and priority as visible log data | Oui |
native ability to send mail messages | Oui (ommail, introduced in 3.17.0) |
good timestamp format control; at a minimum, ISO 8601/RFC 3339 second-resolution UTC zone | Oui |
ability to reformat message contents and work with substrings | Oui |
support for log files larger than 2gb | Oui |
support for log file size limitation and automatic rollover command execution | Oui |
support for running multiple syslogd instances on a single machine | Oui |
ability to execute shell scripts on received messages | Oui |
ability to pipe messages to a continously running program | |
massively multi-threaded for tomorrow's multi-core machines | Oui |
ability to control repeated line reduction ("last message repeated n times") on a per selector-line basis | Oui |
supports multiple actions per selector/filter condition | Oui |
web interface | phpLogCon [also works with php-syslog-ng] |
using text files as input source | Oui |
rate-limiting output actions | Oui |
discard low-priority messages under system stress | Oui |
flow control (slow down message reception when system is busy) | Oui (advanced, multiple ways to slow down inputs depending on individual input capabilities, based on watermarks) |
rewriting messages | Oui |
output data into various formats | Oui |
ability to control "message repeated n times" generation | Oui |
supported platforms Linux, BSD, anecdotical seen on Solaris; compilation and basic testing done on HP UX | |
DNS cache | Oui |
Windows Event Log containers / log files (via separate agent application) | |
Latest version | 7.2.6 stable (March 2013) |
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