https://bz.apache.org/bugzilla/show_bug.cgi?id=65696
Bug ID: 65696
Summary: [authz_core] IPv6 addresses are logged in a not
recommended format
Product: Apache httpd-2
Version: 2.4.51
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: mod_authz_core
Assignee: bugs@httpd.apache.org
Reporter: sha...@systemli.org
Target Milestone: ---
Dear apache team, first of all thank you for awesome piece of software.
I would like to submit the following bug. IPv6 addresses logged by the
authz_core module seem to be logged in a non recommended format ( [client
ca00:6920:e180:c12c:ed3f:3024:d991:ec2e:64833] ). This makes it hard for
rsyslog to anonymize the logs, because due to the :, it can't distinguish where
the IPv6 address ends.
According to the RFC this format should be used
(https://datatracker.ietf.org/doc/html/rfc5952#section-6)
This is already fixed in a next version of rsyslog, but I found it worthy to
mention it here, so you might address this in apache2.
See the corresponding bug and bugfix in rsyslog mmanon module:
https://github.com/rsyslog/rsyslog/issues/4725
As an example:
```
Nov 1 16:35:44 webserver apache: [Mon Nov 01 16:35:44.705418 2021]
[authz_core:error] [pid 3195941:tid 139935243814656] [client
ca00:6920:e180:c12c:ed3f:3024:d991:ec2e:64833] AH01630: client denied by server
configuration: /var/www/www.mysite.to/www/xmlrpc.php`
```
According to the RFC another format should be used
(https://datatracker.ietf.org/doc/html/rfc5952#section-6)
```
Nov 1 16:35:44 webserver apache: [Mon Nov 01 16:35:44.705418 2021]
[authz_core:error] [pid 3195941:tid 139935243814656] [client
ca00:6920:e180:c12c:ed3f:3024:d991:ec2e]:64833 AH01630: client denied by server
configuration: /var/www/www.mysite.to/www/xmlrpc.php`
```
Thank you very much.
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