Apache :: How To Change URL Of HTTP 302 Returned By Proxy Server
Jan 31, 2014
I'm running Apache 2.4.7 on a RHEL 6.4 server. I'm using the Oracle WebLogic Proxy Plugin ver 12.c to connect to a back end server.What's happening is that Apache answers URL.. and proxies the request via the WebLogic Proxy Plugin to internal.blah.com. Unfortunately, the downstream system encounters a problem and issues an http 302 redirect to internal.blah.com/whathappened. I would like to have Apache intercept this http 302 and redirect the client to URL...
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Mar 10, 2015
I am using an apache reverse proxy :
httpd -version
Server version: Apache/2.2.15 (Unix)
Server built: Oct 16 2014 14:48:21
In front of an internet liferay server, I m forcing https connexion and my reverse proxy is the SSL endpoint, and it is working fine.
But inside the liferay page there are "http" link to other webserver, and browser are refusing to load them because they are http and not https.
Is there a way in the reverse proxy to rewrite "on the fly" "http" link to "https" so that everything would be load on the browser ?
I was thinking mod_proxy_html but it doesn't seams to do what I want.
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Oct 28, 2007
Anyone can inform how to fix "http-put proxy" or "http-connect proxy" ?
My hosting provider said that my dedicated server is not secure because of that.
I use CentOS 4.x and only Apache 2.0.52
# rpm -qa | grep htt
httpd-2.0.52-28.ent.centos4
httpd-suexec-2.0.52-28.ent.centos4
I searched about the topic but got not much information.
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Apr 24, 2013
I need to accomplish the following:
1. User hits my new 2.4 reverse proxy at [URL] ....
2. I proxy the request through to my "real" app server at [URL] ....
3. I also use a re-write rule to add a querystring to the URL: ?Parameter=Foo
4. So, client's request arrives at the my app server as [URL] .....
5. When my app server responds, it is including the Parameter=Foo key/value combination. I don't want this.
6. I want my reverse proxy (somebox.com) to strip "Parameter=Foo" from the string which gets returned to the client.
I have steps 1 & 2 working nicely, but it looks like I can't handle the last bit with with mod_rewrite. I found mod_filter and mod_substitute, but it appears that this stuff is used for re-writing strings IN the document. Can these libs be used to maybe modify (I'm guessing here) the headers so that the "?Parameter=Foo" string can't be seen on the client if they're running something like fiddler?
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May 7, 2008
Someone tried to access their webmail from a remote location and got a page not found error. It did have the following error like this at the bottom though:
"HTTP 502 Proxy Error - The specified Secure Sockets Layer (SSL) port is not allowed. ISA Server is not configured to allow SSL requests from this port. Most Web browsers use port 443 for SSL requests. (12204)
Internet Security and Acceleration Server"
This is a cpanel server with Centos. I did not find any info via cpanel's forums about the 502 error.
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Aug 5, 2008
I am trying to figure out how to do a setup to convert socks to http.
I have an application which only supports http proxy. I am using putty to perform ssh tunneling but I guess I can only use that as a socks connection.
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May 15, 2008
I have been searching for a non web UK proxy. I need to view UK search results and ads
Should I just use ssh tunneling? If so any suggestions on a cheap UK shell account?
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Jun 24, 2007
I want to block all http requests coming to my website via proxy. Is there any way/script to achieve this on the server?
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Jun 27, 2013
its possible to do a P2V migration of a Apache http server 2.2
Present environment:
Windows 2003
Apache http server 2.0.63
There are 2 webservers (running Apache) for load balancing. The backend server runs an application which uses an oracle database. Is a P2V migration of the web servers possible?
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Sep 22, 2009
I installed apache, mysql, php on my windows vista laptop, and want to test http downloading. This means when selecting a file (for example, contact.php) from a page, and then click download, it will be downloaded to my desktop.
Do we need to install any other softwares to do that?
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May 6, 2013
I have an Xitami server and am migrating to apache httpd. I have the regular server working fine. I tried configuring ssl, but no requests are coming through. I know 443 is open on the router because it works fine under Xitami. I checked the logs and it si starting fine. I am attaching my httpd.conf and the startup log. If I try to access the website using https, it just times out and nothing goes in the log file. I replaced my domain with domain.com. I have tried many different examples, but cannot get it to work and am not sure what to do.
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Jan 8, 2015
I have diesel generator controller card (IB Lite made by Comap) and the built-in webserver supports only a single user/session connected.
I want to set apache in front and serve multiple connection while apache is keeping a single session with the IB Lite card in background no matter how sessions it have.
I tried ProxyPass but it doesn't seems to be a solution.
Is this possible?
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Sep 20, 2014
I am using a Windows 7 and the proxy server is working fine. However, I need to run a web content filtering on the server. This should be able to replace or change specific words or phrases from an incoming html and deliver it to the client. I have searched the internet for days for a working configuration but none of them worked. Here is the current configuration I added on the httpd.conf file:
<IfModule mod_ext_filter.c>
ExtFilterDefine add-tm mode=output intype=text/html/php cmd="Apache/bin/GnuWin32/bin 's/Company1/MyCompany1/g'"
SetOutputFilter add-tm
</IfModule>
<Location "/web/">
SetOutputFilter add-tm
OutputSed "s/Company1/MyCompany1/g"
</Location>
I have also uncommented these modules:
LoadModule ext_filter_module modules/mod_ext_filter.so
LoadModule file_cache_module modules/mod_file_cache.so
LoadModule filter_module modules/mod_filter.so
LoadModule headers_module modules/mod_headers.so
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Feb 27, 2014
I have a total of 3 web servers:
x1 gateway.domain.com:443 (Using as a proxy to web1 and web2)
x1 web1.domain.com:443
x1 web2.domain.com:443
I was able to have gateway.domain.com play nicely with a wildcard certificate and handshake perfectly with web1 and web2. Now currently, web1 and web2 have their own SSL certificates while gateway has a wildcard cert for *.domain.com. Is it necessary to have certs on all 3 servers or just have the single wildcard cert on gateway.domain.com?
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Apr 24, 2014
I'm trying to set up password protection on an Apache HTTP server, and it's not working.
First, the environment: Apache 2.4.4 installed with XAMPP Control Panel 3.2.1 under Windows 7 Professional.
http.config says "AllowOverride All."
The .htaccess file in the protected directory says:
Code:
htpasswd -c .htpasswd samples
htpasswd prompted me for the password twice, and I entered it twice. When it quit I had a file named .htpasswd in the subsidy directory. I typed it and its contents looked correct according to the examples I've seen.
Then I restarted Apache and tried to load a page from the directory. The browser simply prompted me for the username and password over and over.
The Apache error log says, "AH01617: user samples: authentication failure for "/subsidy/filename.html": Password Mismatch."
I deleted the .htpasswd file and ran htpasswd again, specifying a different (very simple) password. I also confirmed that caps lock was not on both before and after. I restarted the server, tried to load a page, and got the same problem.
Apache seems to think I'm entering the wrong password, but that seems impossible when I've just defined it myself -- and I've tried twice, intentionally choosing a very simple password the second time. If the message means what it says, the cause must be something very different from the obvious one.
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Nov 22, 2013
I am tried to integrate Apache HTTP server and JBoss app server 7 with mod_jk module plugin in Apache.I have two instances of Jboss running and Apache server sends requests to them.I have added following code in "httpd.conf" of Apache:
Code:
LoadModule proxy_module modules/mod_proxy.so
LoadModule proxy_connect_module modules/mod_proxy_connect.so
LoadModule proxy_http_module modules/mod_proxy_http.so
JkWorkersFile "D:/Program Files/Apache Group/Apache2/conf/workers.properties"
JkShmFile "D:/Program Files/Apache Group/Apache2/logs/mod_jk.shm"
JkLogFile "D:/Program Files/Apache Group/Apache2/logs/mod_jk.log"
[Code] ....
But, though I have configured this way, when my worker1 goes down,Apache is not sending requests to worker2 and I get "Service Temporarily Unavailable" message.
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Apr 24, 2007
somebody know is possible on some way route traffic before come to web server (apache or lighttpd)?
I want to setup lighttpd on port 80 and apache on port 81 and I want visitors to go direct to apache or lighttpd without url:81 and that must work on this way if somebody visiting url1.domain.com that go to lighttpd on port 80 and if somebody visiting url2.domain.com that go to apache on port 81 and something must route it before lighttpd and apache (and get/post must work), is this possible on some way?
I know that lighttpd and apache can do it but I don`t need it on that way!
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Feb 13, 2013
I am trying to setup a pass through on our apache proxy server, typically this is not any trouble but our developers have started using a product call DEV EXPRESS and I cannot figure out how to get my pass through to work. Here's what my pass through looks like
ProxyPass /tmsdev http://tmsdev.dot.missouri/
ProxyPassReverse /tmsdev http://tmsdev.dot.missouri/
The initial url is http://tmsdev.dot.missouri/RealEstate/AAH/LitterPickup.aspx
I am getting 404 errors on everything that has /RealEstate/DXR.axd......... The DXR.axd is something from DEVEXPRESS here's the error I'm getting.
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
<html><head>
<title>404 Not Found</title>
</head><body>
<h1>Not Found</h1>
<p>The requested URL /RealEstate/DXR.axd was not found on this server.</p>
<hr />
<address>IBM_HTTP_Server/6.0.2.35 Apache/2.0.47 (Win32) Server at ghweb04 Port 80</address>
</body></html>
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Jun 4, 2009
My Linux Server's Http Daemon (Apache) would stop serving websites ever so often, as soon as apache is restarted the error fixes iteself only to resurface within few hours.
The apache process would still be running i.e. apache does not die but no websites hosted on my server would be accessible from browser. And when this happens the apache logs do not log any http requests.
Instead when this happens all http requests to my server would be redirected to some weird Trojan website and my Norton Antivirus would show an Alert/Warning, for example;
"Browser exploit at www.xxx.xxx was blocked"
Risk Name: MSIE WebViewFolderIcon ActiveX Control BO
or another error like;
"Auto-Protect has detected Trojan.Fakeavalert".
At first i thought the problem could be with my Laptop/ISP so i logged on to the server via SSH and opened try to open a website using command line "lynx mywebsite.com" and it shows following error;
"Alert!: HTTP/1.0 503 Service Unavailable".
Now if i assume my laptop were to be infected, then as soon as i restart my apache and visit mywebsite.com eveything returns to normal with no such warnings. Why do i see those norton error messages only when apache is down with 503, and when apache is down with 503 how come the http requests always get redirected to some suspicious websites and nothing gets logged in apache error log?
I think my server is being attacked causing http to get unresponsive and thereafter http requests to my server are redirected to some malicious website, is this correct?
Also, i suspect this is a php script exploit as some customers have reported that google have blocked their website due to security reasons, i found <iframe> tage inserted in some php pages which i fixed.
Also, another thinh i noticed;
when apache responds with the 503 it is referencing PHP 5.1.4 in the header response:
[root@]# curl -I xxx.xxx.xxx.xxx (my server ip)
HTTP/1.0 503 Service Unavailable
Server: Apache
X-Powered-By: PHP/5.1.4
Retry-After: 20
I am running PHP 4.3.9m why does apache responds with PHP 5.1.4 when this 503 error surfaces?
Also, since my apache was dowan with 503 error a customer mailed in today saying;
"It seems that my site www.xxxx.com is regularly down, and the winlogon virus is involved."
I suspect this is again due to the fact that http requests start getting redirected?
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Jan 24, 2014
I am 3 days new to figuring out how to get Perl scripts to run on my Windows XP box. I downloaded and installed the Apache installation file "httpd-2.0.65-win32-x86-openssl-0.9.8y.msi" and the "strawberry-perl-5.18.2.1-32bit.msi" from the perl.org site in hopes that I could get a feedback form to work for a web site that I am working on.
Out of the many pages that I have viewed online of how to configure the Apache Server, nothing has given any favorable results with their explanations.
My last attempt was [URL] ..... where I could not get the example to work. I did the changes to the Apache file "Edit the Apache httpd.conf Configuration File" fairly easily but I must be having problems with the test.pl because I can't get it to work.
I used a different version of Perl (Strawbery from perl.org because it installed without giving me an error pop up after installation) and after copy pasting the script, in an attempt to get it working, I ended up changing it in hopes that I could get it working, shown below.
#!/strawberry/bin/perl.exe
print "Content-type: text/html; charset=iso-8859-1
";
print "<phtml>";
print "<body>";
print "Test Page";
print "</body>";
print "</html>";
This is what the site says to create the program with:
#!/perl/bin/perl
print "Content-type: text/html; charset=iso-8859-1
";
print "<phtml>";
print "<body>";
print "Test Page";
print "</body>";
print "</html>";
where I assumed that "#!" meant the "C:" drive and substituted the first "/perl" with the folder the Strawbery Perl had installed itself to and left the second "/perl" in the first line thinking that it was referring to the executable in the "C:strawberryperlbin" folder.
This is the error I get when trying to get the script to run when typing "localhost/test.pl" in the address bar.
"Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
........"
Know how I can change the title of this post to read "Configuring Apache HTTP Server 2.0 to run Perl in Windows"?
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Mar 15, 2006
I've been working on this for some time now, but I'm not sure on how the settings were transfered over to this server. I wish I was there when it was done.
Anyways, we got a new server and we transfered all the accounts to the new one. The old one is gone. When people send emails to their email accounts on the server, this is returned:
This is an automatically generated Delivery Status Notification
Delivery to the following recipient failed permanently:
admin@crewxp.com
Technical details of permanent failure:
PERM_FAILURE: SMTP Error (state 9): 550 relay not permitted ....
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Oct 17, 2013
We have been using Apache 2.2.x with reverse proxy modules for our clients to access their OWA servers for over a year. I want to get us to Apache 2.4.x so I setup a test box with latest 2.4 on it. I fixed the config file issues since 2.4 has changes in it. OWA proxy is working on my test server with Apache 2.4. But with 2.4 I do have an issue I cannot figure out. Note that this does NOT occur with Apache 2.2. I get the following errors when using ActiveSync through reverse proxy:
[Thu Oct 17 12:19:11.670665 2013] [proxy_http:error] [pid 748:tid 8440] (OS 10060)A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond. : [client x.x.x.x:20311] AH01102: error reading status line from remote server mail.nameredacted.net:443
[Thu Oct 17 12:19:11.670665 2013] [proxy:error] [pid 748:tid 8440] [client x.x.x.x:20311] AH00898: Error reading from remote server returned by /Microsoft-Server-ActiveSync
So somehow with Apache 2.4 there is some sort of timeout that was not there with 2.2.
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Nov 15, 2013
Server Version: Apache/2.2.22 (Unix)
On our production service, we've been getting numerous malformed POST requests to some of our CGI scripts that are showing up as 500 errors in our logs. They are malformed in the sense that the actual content length doesn't match the Content-Length specified in the request.
Here's the most trivial example I can come up with that reproduces the problem for us:
POST /some_valid_alias HTTP/1.1
Host: example.org
User-Agent: Arbitrary/1.0
Content-Type: multipart/form-data; boundary=---------------------------41184676334
Content-Length: 769
-----------------------------41184676334
In addition to the 500 error in the access log, we see the corresponding error in the error log:
(70014)End of file found: Error reading request entity data
Based on the nature of the POST request and the error response, it does appear that Apache is doing the right thing here.
The POST never actually makes it as far as the script being targeted (/some_valid_alias in the above example); in other words, Apache returns 500 to the client, writes the error to the error log and never executes the script.
Is there a way to capture/avoid internal Apache errors like 70014, and return some other HTTP status besides 500 (like 403)? It's particularly annoying in our case, because our server sends us an email for all 500 errors.
So far, our best "defense" against these 500 errors is to disallow POST for these aliases, which normally just ignore the POST data anyway (when the request is not malformed):
RewriteCond %{REQUEST_METHOD} ^POST$
RewriteRule ^/(some_valid_alias)(.*)$ $1$2 [R]
But this won't work for all our scripts, because in some cases we do want to permit POST.
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Jun 10, 2013
I'm using the isapi rewrite module for iis 6 which uses the exact same syntax as mod_rewrite in apache. I'm not very well versed in apache and need getting this to work asap. Basically I have a directory in our website: URL....
I need to forward this to an IP address, for example to this address:100.12.33.45/folder.While keeping the original URL (www.xyz.edu/folder). I'm unsure of the apache syntax for this.
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Aug 15, 2007
Someone seems to be flooding our HTTP server somehow. We use the latest version of Apache on Windows.
Is there any Windows modules that can filter the total amount of IP connections, or something built into Windows that could filter this?
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Jan 6, 2015
I'm in the process of trying to pin down a couple errors I've been running into, and after installing and configuring SSL I have occasionally been receiving the following error:
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Oct 9, 2012
Suddenly on a particular website (possibly following an easyapache php minor version update) if I specify a folder rather than a specific file I get a 503 response.
If I do the same on https it's ok. But http always gets a 503.
If I specify a file it's fine, but the folder always hits a 503.
I have removed the htaccess file and php.ini to rule that out and indeed they weren't factors - it seems like it goes wrong before reading the htaccess file.
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Jul 13, 2014
I have the following setup in my apache vhost:
Code:
ProxyPass /abc http://www.newest.com/
ProxyPassReverse /abc http://www.newest.com/
I want to setup a failover approach in which if after a particular timeout say 10secs the load shifts to some other website like Refer.com | The world. The timeout should be in Proxy Pass and if timeout occurs it shifts to Refer.com | The world
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Aug 7, 2008
I have two domains that are sharing one IP address. One site is meissenation.com and the other is mifbody.com.
My httpd.conf file looks like this: ...
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Mar 3, 2007
Does anyone know if there is an Apache directive where you can have Apache call a script on HTTP PUTs to a specific location and also for HTTP GETs?
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May 4, 2015
I keep hearing that redirecting from http to https is not very secure [non-SSL to SSL]. Among other reasons, one reason is that the browser may continue to think it is communicating with non secure server and may not encrypt the data. Is it true? I hope not, I am using the following -
<VirtualHost 12.34.567.89:80>
ServerName www.mysite1234.com:80
Redirect / https://www.mysite1234.com/
</VirtualHost>
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