https://bz.apache.org/bugzilla/show_bug.cgi?id=62199
Bug ID: 62199
Summary: Make mod_proxy response buffer's size configurable
Product: Apache httpd-2
Version: 2.5-HEAD
Hardware: PC
OS: Mac OS X 10.1
Status: NEW
Severity: enhancement
Priority: P2
Component: mod_proxy_http
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Users of mod_proxy may find that the 8K proxy response buffer is not sufficient
to hold large headers. This enhancement allows the proxy response buffer to be
configurable via the worker parameter 'ResponseFieldSize'.
A few bugs were opened for some weird behavior that was observed both before
and after applying the patch:
- https://bz.apache.org/bugzilla/show_bug.cgi?id=62196
- https://bz.apache.org/bugzilla/show_bug.cgi?id=62197
- https://bz.apache.org/bugzilla/show_bug.cgi?id=62198
Example usage:
# Allow proxy headers up to 10000 bytes instead of just 8KB.
<VirtualHost *:80>
ProxyPass "/test" "http://localhost:8080"; responsefieldsize=10000
ProxyPassReverse "/test" "http://localhost:8080";
</VirtualHost>
Backend header size:
$ curl -sD - http://localhost:8080 -o /dev/null | grep X-Test-Header-1 | wc -c
9020
Proxy header size:
$ curl -sD - http://localhost/test -o /dev/null | grep X-Test-Header-1 | wc -c
9020
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