https://issues.apache.org/bugzilla/show_bug.cgi?id=57119
Bug ID: 57119
Summary: DNS lookup caching in reverse proxy
Product: Apache httpd-2
Version: 2.4.7
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: mod_proxy
Assignee: [email protected]
Reporter: [email protected]
Hello everybody,
I am using Apache as a reverse proxy to access an application on a server. The
application is replicate on two servers. There is a dns-resolver which supplies
the ip address of only one of the server depending on which one is running at
the moment of DNS name resolving. So when one server is shutting down, the
reverse proxy must automatically switch to the second server.
When I shut down one server, Apache doesn't switch to the second server.
But when I restart Apache, it switches to the second server and it works
perfectly.
I think the reverse proxy doesn't update its IP addresses cache.
Has anyone of you ever had a similiar problem of chached DNS-resolved IP
addresses? Have you found any satisfactory solution? Any additional clues
for me? Any help would be greatly welcome.
Regards
Broisy
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