Hi,
We have an issue that I'd like to get some guidance on how to investigate
further. We have a Tomcat application that is fronted by 3 HTTPD proxies
(Apache/2.4.34) running mod_proxy_balancer. What we see in the HTTPD
access logs are 400 response codes that include entries like:
preview.exa
All,
We are running HTTPD as a proxy to a backend Tomcat application.
OS = RHEL 7.7
HTTPD:
Server version: Apache/2.4.34 (Red Hat)
Server built: Apr 3 2019 12:07:34
Server's Module Magic Number: 20120211:79
Server loaded: APR 1.4.8, APR-UTIL 1.5.2
Compiled using: APR 1.4.8, APR-UTIL 1.5.2
Ar
Hi,
I have been using the following successfully in HTTPD config for some time:
Header always set X-Frame-Options SAMEORIGIN
The SAMEORIGIN is required for our use but now I am getting a request to
allow X-Frame-Options to include specific URL's, say:
https://example1.com
https://example2.com
ehavior of requests that were being directed to the now failed
node? Is the request basically 'killed' and then directed to the healthy
node and started over?
Any guidance is appreciated.
Thanks,
HB
On Mon, Mar 30, 2020 at 5:18 PM Herb Burnswell
wrote:
> Hi,
>
> Server version:
Hi,
Server version: Apache/2.4.34 (Red Hat)
I am looking to put some health checks in place using mod_proxy_hcheck. I
have a back-end tomcat application with two nodes that recently has had JVM
heap issues and the application on one of the two nodes becomes
unresponsive. However, the node will
r MPM: event
threaded: yes (fixed thread count)
forked: yes (variable process count)
I was hoping this was pretty straight forward but maybe it is not..
Thanks,
HB
On Tue, Feb 4, 2020 at 9:14 AM Herb Burnswell
wrote:
> Hi,
>
> I am looking for some guidance on how to forward
Hi,
I am looking for some guidance on how to forward specific html files to a
new locations. The motivation is for users who might have bookmarked a no
longer current location and best practices for SEO functionality. Here
would be an example:
Old:
https://example.com/old/path/to/old_file.html
On Sun, Mar 24, 2019 at 8:53 PM Herb Burnswell
wrote:
> All,
>
> Apache 2.4.27
> OS: RHEL 7.6
>
> We're using httpd as a reverse proxy to 3 back end application servers.
> We have a landing page for users to select their geographical region.
> Everything works as ex
All,
Apache 2.4.27
OS: RHEL 7.6
We're using httpd as a reverse proxy to 3 back end application servers. We
have a landing page for users to select their geographical region.
Everything works as expected with the current setup, however, we'd like
users to not have to re-select their region on ret
All,
I am running a 3 node proxy front end to a 3 node application back end.
All proxy nodes have the same configuration to distribute load:
+-+
| Firewall Public |
+-+
+---+
| +--++---++-
It works
It works with the ProxyPassReverse included.
Yann - Thank you very much for all of your help, it's greatly appreciated..
Best,
HB
On Wed, Jun 20, 2018 at 7:54 AM, Yann Ylavic wrote:
> On Tue, Jun 19, 2018 at 11:26 PM, Herb Burnswell
> wrote:
> >
> > At
> Or if you want to masquerade /frontpage completetly, you could use
> mod_proxy_html to rewrite response URLs on the fly.
Anybody have suggestions on how to masquerade /frontpage to rewrite
responses?
On Fri, Jun 15, 2018 at 12:33 PM, Herb Burnswell <
herbert.burnsw...@gmail.c
ET /frontpage/login.zul
HTTP/1.1" 302 - "-" "Mozilla/5.0 (Windows NT 10.0; WOW64; rv:43.0)
Gecko/20100101 Firefox/43.0" "305C0B70515B838AE70AC0F7DBA79799.node3"
On Thu, Jun 14, 2018 at 11:34 PM, Yann Ylavic wrote:
> On Fri, Jun 15, 2018 at 12:34 AM, H
Thanks.
> If you accept that /frontpage path going up to the client/browser once
> the first / works, then you can:
>ProxyPass / balancer://applicationcluster/frontpage/ ...
>ProxyPass /frontpage/ balancer://applicationcluster/frontpage/ ...
>ProxyPassReverse / balancer://applicationcl
Community,
Is this issue that I'm struggling with really that large of a challenge?
If it is, that's fine, I'm trying to judge if it's something that I should
abandon or if it can be done at all..
Thanks,
HB
On Sun, Jun 10, 2018 at 9:23 PM, Herb Burnswell wrote:
Sorry - My mistake, please disregard.
On Thu, Jun 14, 2018 at 11:39 AM, Eric Covener wrote:
> On Thu, Jun 14, 2018 at 2:03 PM Herb Burnswell
> wrote:
> >
> > Community,
> >
> > Is this issue that I'm struggling with really that large of a
> challenge?
Community,
Is this issue that I'm struggling with really that large of a challenge?
If it is, that's fine, I'm trying to judge if it's something that I should
abandon or if it can be done at all..
Thanks,
HB
On Thu, Jun 14, 2018 at 10:25 AM, Yann Ylavic wrote:
> On Thu, Jun 14, 2018 at 12:08
es it to fail.
I have to imagine there is a rewrite condition or conditions that will
allow for the desired behavior to work but I'm just not experienced enough
yet.
I hope I have not completely confused the situation, any guidance is
greatly appreciated as always..
HB
On Sun, Jun
me ProxyPass or ProxyPassMatch needed for an initial request?
Thanks,
HB
On Sat, Jun 9, 2018 at 1:24 AM, Yann Ylavic wrote:
> Hi,
>
> On Fri, Jun 8, 2018 at 9:07 PM, Herb Burnswell
> wrote:
> >
> > That being said I did test with modifying the ProxyPass and
> ProxyPassReverse
&g
8 at 12:04 AM, Yann Ylavic wrote:
> Hello,
>
> On Thu, Jun 7, 2018 at 9:36 PM, Herb Burnswell
> wrote:
> >
> > RewriteEngine On
> > RewriteRule "^/frontpage(.+)" "$1" [R,L]
>
> What about this instead of the ab
All,
I'm facing what seemingly is a very difficult challenge, tyring to set up a
proxy to a backend application. I say 'seemingly very difficult' because I
have reached out to the HTTPD community, codementor.io (offering money for
help), as well as consultants who say they really are not skilled
All,
I am attempting to set up a proxy using mod_jk to a backend Tomcat
application. I have switched to using mod_jk from mod_proxy_http as the
application recommends using AJP and I've read that mod_jk provides more
funtionality than mod_proxy_ajp. Here is the layout:
+-+
|
ou want to deliver the session to
> >> the specific node dealing with that session or session will be lost.
> >> It is when that backend node is down that httpd should look for other
> >> nodes to deliver the session. Afaik is called session persistence. Or
> >> at
th my questions.
HB
On Tue, Feb 27, 2018 at 11:36 PM, Igor Cicimov wrote:
> I always prefer mod_jk over mod_proxy, I find it superior in terms of
> features and performance.
>
>
> On 27 Feb 2018 5:10 am, "Herb Burnswell"
> wrote:
>
> Daniel -
>
> Thank yo
/mycluster/ stickysession=JSESSIONID
This allowed things to work as expected.
Thanks again.
Does anyone have any suggestions/best practices on the rest of the
httpd.conf file?
HB
On Mon, Feb 26, 2018 at 12:13 PM, Herb Burnswell <
herbert.burnsw...@gmail.com> wrote:
> Thanks Eric.
>
Thanks Eric.
Rewrite rules on the HTTPD side or the backend Tomcat application? There
are no other rewrite rules that I am aware of.
HB
On Mon, Feb 26, 2018 at 11:54 AM, Eric Covener wrote:
> Do you have a separate set of rewriterules somewhere that might also
> be proxying? Logging %f in th
All,
I am setting up a frontend HTTPD load balancer to a backend Tomcat
application using mod_proxy. I have not done so previously and am looking
for some guidance. Here is a diagram of what it will look like:
+-+
| Firewall Public |
+-+
+
4/howto/reverse_proxy.html
> and mod_proxy itself: http://httpd.apache.org/docs/2.4/mod/mod_proxy.html
>
> Cheers!
>
> 2018-02-23 1:48 GMT+01:00 Herb Burnswell :
> > All,
> >
> > I am looking for some guidance on using HTTPD as a proxy and load
> balancer
> > to a
All,
I am looking for some guidance on using HTTPD as a proxy and load balancer
to a backend Tomcat application. Specifically, I'm interested in how to
best handle the balancing of requests. The configuration would be very
much like the 'typical implementation' shown in this Reverse Proxy Guide
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