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Preamble
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
GNU Lesser General Public License
Section 0
Section 1
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Section 7
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Section 9
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NO WARRANTY Section 11
Section 12
How to Apply These Terms to Your New Programs
Preamble
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
License attributions
Section 0
Section 1
Section 2
Section 3
Section 4
Section 5
Section 6
Section 7
Section 8
Section 9
Section 10
Section 11
Section 12
Section 13
Section 14
NO WARRANTY Section 15
NO WARRANTY Section 16
How to Apply These Terms to Your New Libraries
use-dns()
| Type: | yes, no, persist_only |
| Default: | yes |
Description: Enable or disable DNS usage. The persist_only option attempts to resolve hostnames locally from file (for example from /etc/hosts). The syslog-ng OSE application blocks on DNS queries, so enabling DNS may lead to a Denial of Service attack. To prevent DoS, protect your syslog-ng network endpoint with firewall rules, and make sure that all hosts which may get to syslog-ng are resolvable. This option can be specified globally, and per-source as well. The local setting of the source overrides the global option if available.
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NOTE:
This option has no effect if the keep-hostname() option is enabled (keep-hostname(yes)) and the message contains a hostname. |
