ChangeLog for 4.1.5 (devel)

Version 4.1.5 [DEVEL] (rgerhards), 2009-03-11

  • bugfix: parser did not correctly parse fields in UDP-received messages
  • added ERE support in filter conditions –
    new comparison operation “ereregex”

  • added new config directive $RepeatedMsgContainsOriginalMsg so that the
    “last message repeated n times” messages, if generated, may
    have an alternate format that contains the message that is being repeated

ChangeLog for 3.20.4 (v3-stable)

Version 3.20.4 [v3-stable] (rgerhards), 2009-02-09

  • bugfix: inconsistent use of mutex/atomic operations could cause segfault
    details are too many, for full analysis see blog post at:
    http://blog.gerhards.net/2009/01/rsyslog-data-race-analysis.html

  • bugfix: invalid ./configure settings for RFC3195
    thanks to Michael Biebl for the patch

  • bugfix: invalid mutex access in msg.c
  • doc bugfix: dist tarball missed 2 files, had one extra file that no
    longer belongs into it. Thanks to Michael Biebl for pointing this out.

ChangeLog for 3.21.10

Version 3.21.10 [BETA] (rgerhards), 2009-02-02

  • bugfix: inconsistent use of mutex/atomic operations could cause segfault
    details are too many, for full analysis see blog post at:
    http://blog.gerhards.net/2009/01/rsyslog-data-race-analysis.html

  • the string “Do Die” was accidently emited upon exit in non-debug mode
    This has now been corrected. Thanks to varmojfekoj for the patch.

  • some legacy options were not correctly processed.
    Thanks to varmojfekoj for the patch.

  • doc bugfix: v3-compatiblity document had typo in config directive
    thanks to Andrej for reporting this

ChangeLog for 4.1.4 (devel)

Version 4.1.4 [DEVEL] (rgerhards), 2009-01-29

  • bugfix: inconsistent use of mutex/atomic operations could cause segfault
    details are too many, for full analysis see blog post at:
    http://blog.gerhards.net/2009/01/rsyslog-data-race-analysis.html

  • bugfix: unitialized mutex was used in msg.c:getPRI
    This was subtle, because getPRI is called as part of the debugging code
    (always executed) in syslogd.c:logmsg.

  • bufgix: $PreserveFQDN was not properly handled for locally emitted
    messages

Changelog for 3.20.3 (v3-stable)

Version 3.20.3 [v3-stable] (rgerhards), 2009-01-19

  • doc bugfix: v3-compatiblity document had typo in config directive
    thanks to Andrej for reporting this

  • fixed a potential segfault condition with $AllowedSender directive
    On HUP, the root pointers were not properly cleaned up. Thanks to
    Michael Biebel, olgoat, and Juha Koho for reporting and analyzing
    the bug.

ChangeLog for 4.1.3 (devel)

Version 4.1.3 [DEVEL] (rgerhards), 2008-12-17

  • added $InputTCPServerAddtlFrameDelimiter config directive, which
    enables to specify an additional, non-standard message delimiter
    for processing plain tcp syslog. This is primarily a fix for the invalid
    framing used in Juniper’s NetScreen products. Credit to forum user
    Arv for suggesting this solution.

  • added $InputTCPServerInputName property, which enables a name to be
    specified that will be available during message processing in the
    inputname property. This is considered useful for logic that treats
    messages differently depending on which input received them.

  • added $PreserveFQDN config file directive
    Enables to use FQDNs in sender names where the legacy default
    would have stripped the domain part.
    Thanks to BlinkMind, Inc. http://www.blinkmind.com for sponsoring this
    development.

  • bugfix: imudp went into an endless loop under some circumstances
    (but could also leave it under some other circumstances…)
    Thanks to David Lang and speedfox for reporting this issue.

$AllowedSender not honored

A primitive way of access control is offered in rsyslog via the $AllowedSender configuration directive. It permits the operator to specify hosts from which messages are being accepted. If the directive is not specified, messages from all hosts are accepted. If it is, the set is limited to those senders that match the configured criteria (this can be network addresses or host name). Access control can be configured for UDP- based and TCP-based protocols independently.

Note that this directive may be used to simplify firewall setup, where the firewall permits incoming traffic from all remote machines on the port in question. Then rsyslog ACLs are used to control who is actually permitted. The down-side of this approach is that the packets reach rsyslog and any vulnerability in it can be exploited. Please note that UDP addresses can easily be spoofed (though thankfully not as easy any longer on the public Internet thanks to more careful configuration on most ISP’s side). So an IP-based access control does not work very well for UDP (neither at the firewall nor at the rsyslog level – but the firewall may have more options at hand, given its comparatively broad knowledge of the perimeter). Continue reading “$AllowedSender not honored”

ChangeLog for 3.20.2 (v3-stable)

Version 3.20.2 [v3-stable] (rgerhards), 2008-12-04

  • re-release of 3.20.1 with an additional fix, that could also lead
    to DoS; 3.20.1 has been removed from the official download archives

  • security fix: imudp emitted a message when a non-permitted sender
    tried to send a message to it. This behaviour is operator-configurable.
    If enabled, a message was emitted each time. That way an attacker could
    effectively fill the disk via this facility. The message is now
    emitted only once in a minute (this currently is a hard-coded limit,
    if someone comes up with a good reason to make it configurable, we
    will probably do that).
Scroll to top