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authorRainer Gerhards <rgerhards@adiscon.com>2008-02-13 17:56:46 +0000
committerRainer Gerhards <rgerhards@adiscon.com>2008-02-13 17:56:46 +0000
commit96f394e67ebda80c123cc77948a94bee2178441d (patch)
treeb85104651ef2cdc765c3eecd97f4f203af89a822
parent6831e4088656e145d442869b8ddc5ec9d3f65670 (diff)
downloadrsyslog-96f394e67ebda80c123cc77948a94bee2178441d.tar.gz
rsyslog-96f394e67ebda80c123cc77948a94bee2178441d.tar.xz
rsyslog-96f394e67ebda80c123cc77948a94bee2178441d.zip
created initial doc for imfile plugin
-rw-r--r--ChangeLog1
-rw-r--r--doc/Makefile.am2
-rw-r--r--doc/imfile.html65
-rw-r--r--doc/rsyslog_ng_comparison.html650
4 files changed, 400 insertions, 318 deletions
diff --git a/ChangeLog b/ChangeLog
index 1c228f2e..e637c580 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,7 @@
Version 3.11.2 (rgerhards), 2008-02-??
- removed some left-over unnecessary dbgprintf's (cluttered screen,
cosmetic)
+- doc bugfix: html documentation for omsnmp was missing
---------------------------------------------------------------------------
Version 3.11.1 (rgerhards), 2008-02-12
- SNMP trap sender added thanks to Andre Lorbach (omsnmp)
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 8d126094..3bc63dbe 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -25,6 +25,8 @@ html_files = \
version_naming.html \
contributors.html \
dev_queue.html \
+ omsnmp.html \
+ imfile.html \
queues.html \
queueWorkerLogic.dia \
queueWorkerLogic.jpg \
diff --git a/doc/imfile.html b/doc/imfile.html
new file mode 100644
index 00000000..6942b366
--- /dev/null
+++ b/doc/imfile.html
@@ -0,0 +1,65 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<html><head>
+<meta http-equiv="Content-Language" content="en"><title>Text File Input Monitor</title>
+
+</head>
+
+<body>
+<h1>Text File Input Module</h1>
+<p><b>Module Name:&nbsp;&nbsp;&nbsp; imfile</b></p>
+<p><b>Author: </b>Rainer Gerhards
+&lt;rgerhards@adiscon.com&gt;</p>
+<p><b>Description</b>:</p>
+<p>Provides the ability to convert any standard text file into
+a syslog message. A standard
+text file is a file consisting of printable characters with lines
+being&nbsp;delimited by LF.</p><p>The
+file is read line-by-line and any line read is passed to rsyslog's rule
+engine. The rule engine applies filter conditons and selects which
+actions needs to be carried out.</p><p>As new lines are written they
+are taken from the file and processed. Please note that this happens
+based on a polling interval and not immediately. The file monitor
+support file rotation. To fully work, rsyslogd must run while the file
+is rotated. Then, any remaining lines from the old file are read and
+processed and when done with that, the new file is being processed from
+the beginning. If rsyslogd is stopped during rotation, the new file is
+read, but any not-yet-reported lines from the previous file can no
+longer be obtained.</p><p>When rsyslogd is stopped while monitoring a
+text file, it records the last processed location and continues to work
+from there upon restart. So no data is lost during a restart (except,
+as noted above, if the file is rotated just in this very moment).</p><p>Currently,
+the file must have a fixed name and location (directory). It is planned
+to add support for dynamically generating file names in the future.</p><p>Multiple files may be monitored by specifying $InputRunFileMonitor multiple times.
+</p>
+<p><b>Configuration Directives</b>:</p>
+<ul>
+<li><strong>$InputFileName&nbsp;/path/to/file</strong><br>
+The file being monitored. So far, this must be an absolute name (no macros or templates)</li><li><span style="font-weight: bold;">$InputFileTag tag:</span><br>The
+tag to be used for messages that originate from this file. If you would
+like to see the colon after the tag, you need to specify it here (as
+shown above).</li><li><span style="font-weight: bold;">$InputFileStateFile &lt;name-of-state-file&gt;</span><br>Rsyslog
+must keep track of which parts of the to be monitored file it already
+processed. This is done in the state file. This file always is created
+in the rsyslog working directory (configurable via $WorkDirectory). Be
+careful to use unique names for different files being monitored. If
+there are duplicates, all sorts of "interesting" things may happen.
+Rsyslog currently does not check if a name is specified multiple times.</li><li><span style="font-weight: bold;">$InputRunFileMonitor</span><br>This <span style="font-weight: bold;">activates</span> the current monitor. It has no parameters. If you forget this directive, no file monitoring will take place.
+</li></ul><b>Caveats/Known Bugs:</b>
+<p><b>Sample:</b></p>
+<p>The following sample monitors a single file.<br></p>
+<textarea rows="10" cols="60">
+ModLoad imfile.so
+$InputFileName /path/to/file
+$InputFileTag tag:
+$InputFileStateFile file-in-workdir to keep status in
+$InputRunFileMonitor </textarea>
+<p>[<a href="rsyslog_conf.html">rsyslog.conf overview</a>]
+[<a href="manual.html">manual index</a>] [<a href="http://www.rsyslog.com/">rsyslog site</a>]</p>
+<p><font size="2">This documentation is part of the
+<a href="http://www.rsyslog.com/">rsyslog</a>
+project.<br>
+Copyright © 2008 by <a href="http://www.gerhards.net/rainer">Rainer
+Gerhards</a> and
+<a href="http://www.adiscon.com/">Adiscon</a>.
+Released under the GNU GPL version 3 or higher.</font></p>
+</body></html> \ No newline at end of file
diff --git a/doc/rsyslog_ng_comparison.html b/doc/rsyslog_ng_comparison.html
index 92c48399..b5ba79df 100644
--- a/doc/rsyslog_ng_comparison.html
+++ b/doc/rsyslog_ng_comparison.html
@@ -1,325 +1,339 @@
-<html>
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
+<html><head>
+<meta http-equiv="Content-Language" content="de"><title>rsyslog vs. syslog-ng - a comparison</title>
-<head>
-<meta http-equiv="Content-Language" content="de">
-<title>rsyslog vs. syslog-ng - a comparison</title>
</head>
<body>
-
<h1>rsyslog vs. syslog-ng</h1>
-
- <P><small><i>Written by
-
- <a href="http://www.gerhards.net/rainer">Rainer
-
- Gerhards</a> (2008-01-29)</i></small></P>
-
-<p>We have often been asked abut a comparison sheet between rsyslog and
-syslog-ng. Unfortunately, I do not know much about syslog-ng, I did not even use
-it once. Also, there seems to be no comprehensive feature sheet available for
-syslog-ng. So I started this comparison, but it probably is not complete. For
-sure, I miss some syslog-ng features. This is not an attempt to let rsyslog
-shine more than it should. I just used the <a href="features.html">rsyslog feature sheet</a> as a staring
-point, simply because it was available. If you would like to add anything to the chart, or
-correct it, please simply <a href="mailto:rgerhards@adiscon.com">drop me a line</a>.
-I would love to see a real honest and up-to-date comparison sheet, so please
-don't be shy ;)</p>
+<p><small><i>Written by <a href="http://www.gerhards.net/rainer">Rainer Gerhards</a>
+(2008-01-29)</i></small></p>
+<p>We have often been asked abut a comparison sheet between
+rsyslog and syslog-ng. Unfortunately, I do not know much about
+syslog-ng, I did not even use it once. Also, there seems to be no
+comprehensive feature sheet available for syslog-ng. So I started this
+comparison, but it probably is not complete. For sure, I miss some
+syslog-ng features. This is not an attempt to let rsyslog shine more
+than it should. I just used the <a href="features.html">rsyslog
+feature sheet</a> as a staring point, simply because it was
+available. If you would like to add anything to the chart, or correct
+it, please simply <a href="mailto:rgerhards@adiscon.com">drop
+me a line</a>. I would love to see a real honest and up-to-date
+comparison sheet, so please don't be shy ;)</p>
<table border="1">
- <tr>
- <td valign="top"><b>Feature</b></td>
- <td valign="top"><b>rsyslog</b></td>
- <td valign="top"><b>syslog-ng</b></td>
- </tr>
- <tr>
- <td valign="top">native support for
- <a href="http://www.rsyslog.com/doc-rsyslog_mysql.html">writing to MySQL
- databases</a></td>
- <td valign="top">yes</td>
- <td valign="top">paid edition only</td>
- </tr>
- <tr>
- <td valign="top">native support for writing to Postgres databases</td>
- <td valign="top">yes</td>
- <td valign="top">paid edition only</td>
- </tr>
- <tr>
- <td valign="top">support for (plain) tcp based syslog</td>
- <td valign="top">yes</td>
- <td valign="top">yes</td>
- </tr>
- <tr>
- <td valign="top">support for sending and receiving compressed syslog messages</td>
- <td valign="top">yes</td>
- <td valign="top">I think &quot;no&quot;</td>
- </tr>
- <tr>
- <td valign="top">support for on-demand on-disk spooling of messages</td>
- <td valign="top">yes</td>
- <td valign="top">paid edition only</td>
- </tr>
- <tr>
- <td valign="top">ability to configure backup syslog/database servers </td>
- <td valign="top">yes</td>
- <td valign="top">no</td>
- </tr>
- <tr>
- <td valign="top">support for receiving messages via reliable
- <a href="http://www.monitorware.com/Common/en/glossary/rfc3195.php">RFC
- 3195</a> delivery</td>
- <td valign="top">yes</td>
- <td valign="top">no</td>
- </tr>
- <tr>
- <td valign="top">ability to generate file names and directories (log targets)
- dynamically</td>
- <td valign="top">yes</td>
- <td valign="top">yes</td>
- </tr>
- <tr>
- <td valign="top">control of log output format, including ability to present channel
- and priority as visible log data</td>
- <td valign="top">yes</td>
- <td valign="top">not sure...</td>
- </tr>
- <tr>
- <td valign="top">good timestamp format control; at a minimum, ISO 8601/RFC 3339
- second-resolution UTC zone</td>
- <td valign="top">yes</td>
- <td valign="top">? (I guess so)</td>
- </tr>
- <tr>
- <td valign="top">ability to reformat message contents and work with substrings</td>
- <td valign="top">yes</td>
- <td valign="top">I think yes</td>
- </tr>
- <tr>
- <td valign="top">support for log files larger than 2gb</td>
- <td valign="top">yes</td>
- <td valign="top">yes</td>
- </tr>
- <tr>
- <td valign="top">support for file size limitation and automatic rollover command
- execution</td>
- <td valign="top">yes</td>
- <td valign="top">yes (?)</td>
- </tr>
- <tr>
- <td valign="top">support for running multiple rsyslogd instances on a single machine</td>
- <td valign="top">yes</td>
- <td valign="top">? (but I think yes)</td>
- </tr>
- <tr>
- <td valign="top">support for
- <a href="http://www.rsyslog.com/doc-rsyslog_stunnel.html">ssl-protected
- syslog</a> </td>
- <td valign="top">via stunnel</td>
- <td valign="top">via stunnel<br>
- paid edition natively</td>
- </tr>
- <tr>
- <td valign="top">ability to filter on any part of the message, not just facility and
- severity</td>
- <td valign="top">yes</td>
- <td valign="top">yes</td>
- </tr>
- <tr>
- <td valign="top">ability to use regular expressions in filters</td>
- <td valign="top">yes</td>
- <td valign="top">yes</td>
- </tr>
- <tr>
- <td valign="top">support for discarding messages based on filters</td>
- <td valign="top">yes</td>
- <td valign="top">?</td>
- </tr>
- <tr>
- <td valign="top">ability to execute shell scripts on received messages</td>
- <td valign="top">yes</td>
- <td valign="top">yes</td>
- </tr>
- <tr>
- <td valign="top">ability to pipe messages to a continously running program</td>
- <td valign="top">no</td>
- <td valign="top">yes</td>
- </tr>
- <tr>
- <td valign="top">ability to preserve the original hostname in NAT environments and
- relay chains</td>
- <td valign="top">yes</td>
- <td valign="top">yes (think so)</td>
- </tr>
- <tr>
- <td valign="top">ability to limit the allowed network senders (syslog ACLs)</td>
- <td valign="top">yes</td>
- <td valign="top">yes (?)</td>
- </tr>
- <tr>
- <td valign="top">powerful BSD-style hostname and program name blocks for easy
- multi-host support</td>
- <td valign="top">yes</td>
- <td valign="top">no</td>
- </tr>
- <tr>
- <td valign="top">massively multi-threaded for tomorrow's multi-core machines</td>
- <td valign="top">yes</td>
- <td valign="top">?</td>
- </tr>
- <tr>
- <td valign="top">support for IETF's new syslog-protocol draft</td>
- <td valign="top">yes</td>
- <td valign="top">no</td>
- </tr>
- <tr>
- <td valign="top">support for syslog-transport-tls based framing on syslog/tcp
- connections</td>
- <td valign="top">yes</td>
- <td valign="top">no (?)</td>
- </tr>
- <tr>
- <td valign="top">support for IPv6</td>
- <td valign="top">yes</td>
- <td valign="top">yes</td>
- </tr>
- <tr>
- <td valign="top">ability to control repeated line reduction (&quot;last message repeated n
- times&quot;) on a per selector-line basis</td>
- <td valign="top">yes</td>
- <td valign="top">yes (?)</td>
- </tr>
- <tr>
- <td valign="top">ability to include config file from within other config
- files</td>
- <td valign="top">yes</td>
- <td valign="top">no (?)</td>
- </tr>
- <tr>
- <td valign="top">ability to include all config files existing in a
- specific directory</td>
- <td valign="top">yes</td>
- <td valign="top">no (?)</td>
- </tr>
- <tr>
- <td valign="top">supports multiple actions per selector/filter condition</td>
- <td valign="top">yes</td>
- <td valign="top">?</td>
- </tr>
- <tr>
- <td valign="top">plug-in interface</td>
- <td valign="top">yes</td>
- <td valign="top">no (?)</td>
- </tr>
- <tr>
- <td valign="top">Windows Event Log gatherer</td>
- <td valign="top">via <a href="http://www.eventreporter.com">EventReporter</a> or
- <a href="http://www.mwagent.com">MonitorWare Agent</a> (both commercial
- software)</td>
- <td valign="top">via Windows agent, paid edition only</td>
- </tr>
- <tr>
- <td valign="top">config file format</td>
- <td valign="top">compatible to legacy syslogd but ugly</td>
- <td valign="top">clean but not backwards compatible</td>
- </tr>
- <tr>
- <td valign="top">support for GSS-API</td>
- <td valign="top">yes</td>
- <td valign="top">?</td>
- </tr>
- <tr>
- <td valign="top">web interface</td>
- <td valign="top"><a href="http://www.phplogcon.org">phpLogCon</a><br>
- [also works with <a href="http://freshmeat.net/projects/php-syslog-ng/">
- php-syslog-ng</a>]</td>
- <td valign="top"><a href="http://freshmeat.net/projects/php-syslog-ng/">
- php-syslog-ng</a></td>
- </tr>
- <tr>
- <td valign="top">using text files as input source</td>
- <td valign="top">yes</td>
- <td valign="top">yes</td>
- </tr>
- <tr>
- <td valign="top">native support for Oracle databases</td>
- <td valign="top">no</td>
- <td valign="top">paid edition only</td>
- </tr>
- <tr>
- <td valign="top">native support for SQLite databases</td>
- <td valign="top">no</td>
- <td valign="top">paid edition only</td>
- </tr>
- <tr>
- <td valign="top">rate-limiting output actions</td>
- <td valign="top">yes</td>
- <td valign="top">yes</td>
- </tr>
- <tr>
- <td valign="top">discard low-priority messages under system stress</td>
- <td valign="top">yes</td>
- <td valign="top">?</td>
- </tr>
- <tr>
- <td valign="top" height="43">flow control (slow down message recpetion
- when system is busy)</td>
- <td valign="top" height="43">limited (TCP Window, delay on queue full)</td>
- <td valign="top" height="43">yes (limited, too? &quot;stops accepting
- messages&quot;)</td>
- </tr>
- <tr>
- <td valign="top">rewriting messages</td>
- <td valign="top">yes</td>
- <td valign="top">yes (at least I think so...)</td>
- </tr>
- <tr>
- <td valign="top">output data into various formats</td>
- <td valign="top">yes</td>
- <td valign="top">yes (looks somewhat limited to me)</td>
- </tr>
- <tr>
- <td valign="top">ability to control &quot;message repeated n times&quot;
- generation</td>
- <td valign="top">yes</td>
- <td valign="top">no (?)</td>
- </tr>
- <tr>
- <td valign="top">on the wire (zlib) message compression</td>
- <td valign="top">yes</td>
- <td valign="top">no (?)</td>
- </tr>
- <tr>
- <td valign="top">license</td>
- <td valign="top">GPLv3 (GPLv2 for v2 branch)</td>
- <td valign="top">GPL (paid edition is closed source)</td>
- </tr>
- <tr>
- <td valign="top">supported platforms</td>
- <td valign="top">Linux, BSD, anecdotical seen on Solaris</td>
- <td valign="top">many popular *nixes</td>
- </tr>
- <tr>
- <td valign="top">DNS cache</td>
- <td valign="top">no</td>
- <td valign="top">yes</td>
- </tr>
- <tr>
- <td valign="top">native ability to send SNMP traps</td>
- <td valign="top">yes</td>
- <td valign="top">?</td>
- </tr>
- <tr>
- <td valign="top">? (probably many I do no know off...)</td>
- <td valign="top">no</td>
- <td valign="top">yes</td>
- </tr>
+<tbody>
+<tr>
+<td valign="top"><b>Feature</b></td>
+<td valign="top"><b>rsyslog</b></td>
+<td valign="top"><b>syslog-ng</b></td>
+</tr>
+<tr>
+<td valign="top">native support for <a href="http://www.rsyslog.com/doc-rsyslog_mysql.html">writing
+to MySQL databases</a></td>
+<td valign="top">yes</td>
+<td valign="top">paid edition only</td>
+</tr>
+<tr>
+<td valign="top">native support for writing to
+Postgres databases</td>
+<td valign="top">yes</td>
+<td valign="top">paid edition only</td>
+</tr>
+<tr>
+<td valign="top">support for (plain) tcp based syslog</td>
+<td valign="top">yes</td>
+<td valign="top">yes</td>
+</tr>
+<tr>
+<td valign="top">support for sending and receiving
+compressed syslog messages</td>
+<td valign="top">yes</td>
+<td valign="top">I think "no"</td>
+</tr>
+<tr>
+<td valign="top">support for on-demand on-disk
+spooling of messages</td>
+<td valign="top">yes</td>
+<td valign="top">paid edition only</td>
+</tr>
+<tr>
+<td valign="top">ability to configure backup
+syslog/database servers </td>
+<td valign="top">yes</td>
+<td valign="top">no</td>
+</tr>
+<tr>
+<td valign="top">support for receiving messages via
+reliable <a href="http://www.monitorware.com/Common/en/glossary/rfc3195.php">RFC
+3195</a> delivery</td>
+<td valign="top">yes</td>
+<td valign="top">no</td>
+</tr>
+<tr>
+<td valign="top">ability to generate file names and
+directories (log targets) dynamically</td>
+<td valign="top">yes</td>
+<td valign="top">yes</td>
+</tr>
+<tr>
+<td valign="top">control of log output format,
+including ability to present channel and priority as visible log data</td>
+<td valign="top">yes</td>
+<td valign="top">not sure...</td>
+</tr>
+<tr>
+<td valign="top">good timestamp format control; at a
+minimum, ISO 8601/RFC 3339 second-resolution UTC zone</td>
+<td valign="top">yes</td>
+<td valign="top">? (I guess so)</td>
+</tr>
+<tr>
+<td valign="top">ability to reformat message
+contents and work with substrings</td>
+<td valign="top">yes</td>
+<td valign="top">I think yes</td>
+</tr>
+<tr>
+<td valign="top">support for log files larger than
+2gb</td>
+<td valign="top">yes</td>
+<td valign="top">yes</td>
+</tr>
+<tr>
+<td valign="top">support for file size limitation
+and automatic rollover command execution</td>
+<td valign="top">yes</td>
+<td valign="top">yes (?)</td>
+</tr>
+<tr>
+<td valign="top">support for running multiple
+rsyslogd instances on a single machine</td>
+<td valign="top">yes</td>
+<td valign="top">? (but I think yes)</td>
+</tr>
+<tr>
+<td valign="top">support for <a href="rsyslog_stunnel.html">ssl-protected
+syslog</a> </td>
+<td valign="top"><a href="rsyslog_stunnel.html">via
+stunnel</a></td>
+<td valign="top">via stunnel<br>
+paid edition natively</td>
+</tr>
+<tr>
+<td valign="top">ability to filter on any part of
+the message, not just facility and severity</td>
+<td valign="top">yes</td>
+<td valign="top">yes</td>
+</tr>
+<tr>
+<td valign="top">ability to use regular expressions
+in filters</td>
+<td valign="top">yes</td>
+<td valign="top">yes</td>
+</tr>
+<tr>
+<td valign="top">support for discarding messages
+based on filters</td>
+<td valign="top">yes</td>
+<td valign="top">?</td>
+</tr>
+<tr>
+<td valign="top">ability to execute shell scripts on
+received messages</td>
+<td valign="top">yes</td>
+<td valign="top">yes</td>
+</tr>
+<tr>
+<td valign="top">ability to pipe messages to a
+continously running program</td>
+<td valign="top">no</td>
+<td valign="top">yes</td>
+</tr>
+<tr>
+<td valign="top">ability to preserve the original
+hostname in NAT environments and relay chains</td>
+<td valign="top">yes</td>
+<td valign="top">yes (think so)</td>
+</tr>
+<tr>
+<td valign="top">ability to limit the allowed
+network senders (syslog ACLs)</td>
+<td valign="top">yes</td>
+<td valign="top">yes (?)</td>
+</tr>
+<tr>
+<td valign="top">powerful BSD-style hostname and
+program name blocks for easy multi-host support</td>
+<td valign="top">yes</td>
+<td valign="top">no</td>
+</tr>
+<tr>
+<td valign="top">massively multi-threaded for
+tomorrow's multi-core machines</td>
+<td valign="top">yes</td>
+<td valign="top">?</td>
+</tr>
+<tr>
+<td valign="top">support for IETF's new
+syslog-protocol draft</td>
+<td valign="top">yes</td>
+<td valign="top">no</td>
+</tr>
+<tr>
+<td valign="top">support for syslog-transport-tls
+based framing on syslog/tcp connections</td>
+<td valign="top">yes</td>
+<td valign="top">no (?)</td>
+</tr>
+<tr>
+<td valign="top">support for IPv6</td>
+<td valign="top">yes</td>
+<td valign="top">yes</td>
+</tr>
+<tr>
+<td valign="top">ability to control repeated line
+reduction ("last message repeated n times") on a per selector-line basis</td>
+<td valign="top">yes</td>
+<td valign="top">yes (?)</td>
+</tr>
+<tr>
+<td valign="top">ability to include config file from
+within other config files</td>
+<td valign="top">yes</td>
+<td valign="top">no (?)</td>
+</tr>
+<tr>
+<td valign="top">ability to include all config files
+existing in a specific directory</td>
+<td valign="top">yes</td>
+<td valign="top">no (?)</td>
+</tr>
+<tr>
+<td valign="top">supports multiple actions per
+selector/filter condition</td>
+<td valign="top">yes</td>
+<td valign="top">?</td>
+</tr>
+<tr>
+<td valign="top">plug-in interface</td>
+<td valign="top">yes</td>
+<td valign="top">no (?)</td>
+</tr>
+<tr>
+<td valign="top">Windows Event Log gatherer</td>
+<td valign="top">via <a href="http://www.eventreporter.com">EventReporter</a>
+or <a href="http://www.mwagent.com">MonitorWare Agent</a>
+(both commercial software)</td>
+<td valign="top">via Windows agent, paid edition only</td>
+</tr>
+<tr>
+<td valign="top">config file format</td>
+<td valign="top">compatible to legacy syslogd but
+ugly</td>
+<td valign="top">clean but not backwards compatible</td>
+</tr>
+<tr>
+<td valign="top">support for GSS-API</td>
+<td valign="top">yes</td>
+<td valign="top">?</td>
+</tr>
+<tr>
+<td valign="top">web interface</td>
+<td valign="top"><a href="http://www.phplogcon.org">phpLogCon</a><br>
+[also works with <a href="http://freshmeat.net/projects/php-syslog-ng/">
+php-syslog-ng</a>]</td>
+<td valign="top"><a href="http://freshmeat.net/projects/php-syslog-ng/">
+php-syslog-ng</a></td>
+</tr>
+<tr>
+<td valign="top">using text files as input source</td>
+<td valign="top">yes</td>
+<td valign="top">yes</td>
+</tr>
+<tr>
+<td valign="top">native support for Oracle databases</td>
+<td valign="top">no</td>
+<td valign="top">paid edition only</td>
+</tr>
+<tr>
+<td valign="top">native support for SQLite databases</td>
+<td valign="top">no</td>
+<td valign="top">paid edition only</td>
+</tr>
+<tr>
+<td valign="top">rate-limiting output actions</td>
+<td valign="top">yes</td>
+<td valign="top">yes</td>
+</tr>
+<tr>
+<td valign="top">discard low-priority messages under
+system stress</td>
+<td valign="top">yes</td>
+<td valign="top">?</td>
+</tr>
+<tr>
+<td height="43" valign="top">flow control
+(slow down message recpetion when system is busy)</td>
+<td height="43" valign="top">limited (TCP
+Window, delay on queue full)</td>
+<td height="43" valign="top">yes (limited,
+too? "stops accepting messages")</td>
+</tr>
+<tr>
+<td valign="top">rewriting messages</td>
+<td valign="top">yes</td>
+<td valign="top">yes (at least I think so...)</td>
+</tr>
+<tr>
+<td valign="top">output data into various formats</td>
+<td valign="top">yes</td>
+<td valign="top">yes (looks somewhat limited to me)</td>
+</tr>
+<tr>
+<td valign="top">ability to control "message
+repeated n times" generation</td>
+<td valign="top">yes</td>
+<td valign="top">no (?)</td>
+</tr>
+<tr>
+<td valign="top">on the wire (zlib) message
+compression</td>
+<td valign="top">yes</td>
+<td valign="top">no (?)</td>
+</tr>
+<tr>
+<td valign="top">license</td>
+<td valign="top">GPLv3 (GPLv2 for v2 branch)</td>
+<td valign="top">GPL (paid edition is closed source)</td>
+</tr>
+<tr>
+<td valign="top">supported platforms</td>
+<td valign="top">Linux, BSD, anecdotical seen on
+Solaris</td>
+<td valign="top">many popular *nixes</td>
+</tr>
+<tr>
+<td valign="top">DNS cache</td>
+<td valign="top">no</td>
+<td valign="top">yes</td>
+</tr>
+<tr>
+<td valign="top">native ability to send SNMP traps</td>
+<td valign="top">yes</td>
+<td valign="top">?</td>
+</tr>
+<tr>
+<td valign="top">? (probably many I do no know
+off...)</td>
+<td valign="top">no</td>
+<td valign="top">yes</td>
+</tr>
+</tbody>
</table>
-<p>Based on a discussion I had, I also wrote about the <b>political argument why
-it is good to have another strong syslogd besides syslog-ng</b>. You may want to
-read it at my blog at &quot;<a href="http://rgerhards.blogspot.com/2007/08/why-does-world-need-another-syslogd.html">Why
-does the world need another syslogd?</a>&quot;.</p>
-<p>This document is current as of 2008-02-11 and definitely incomplete (I did
-not yet manage to complete it!).</p>
-
-</body>
-
-</html>
+<p>Based on a discussion I had, I also wrote about the <b>political
+argument why it is good to have another strong syslogd besides syslog-ng</b>.
+You may want to read it at my blog at "<a href="http://rgerhards.blogspot.com/2007/08/why-does-world-need-another-syslogd.html">Why
+does the world need another syslogd?</a>".</p>
+<p>This document is current as of 2008-02-11 and definitely
+incomplete (I did not yet manage to complete it!).</p>
+</body></html> \ No newline at end of file