Server :: Apache Mod_proxy And Virtualhost ?
Nov 3, 2010
I have figured out how to use virtualhost, proxypass and proxypassreverse. So far, so good.
The problem I'm experiencing is this:
I have a reverse proxy server running apache (123.123.123.123)
Behind this proxy server I have a http server running apache (124.124.124.124).
This http server has multiple sites (virtualhost), it's only reachable via the proxy server.
If i run a nslookup on www.somedomain.com I get 123.123.123.123 (Not really but you understand what I mean)
I put my proxy to have the IP 123.123.123.123, so far so good. The requests come in to the proxy server.
I want my http server to be named 124.124.124.124.
In the http server I wish to set up my virtualhosts like this:
How do I get my proxy to grab the data from the http server?
If I do like this I will only make another request to my proxy server.
If I do like this, only the first page in the httpd.conf in my http server will work.
Do I need to setup a different DNS server for the proxy server? I would hate that. Perhaps use hosts-file in proxy. Or maybe I can use sub-domains?
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Mar 31, 2011
I'm using CentOS 5 and just found out that there are people using my Apache Web Server as proxy (version 2.2.3 the OS's default).
I've checked out that my mod_proxy is already disabled but the unauthorized incoming request is still very large.
So I tried to compile an Apache from raw (2.2.17) just enabling mod_rewrite and then found out that the 'proxy' request is still there.
Tried httpd -l and here are the modules inside the Apache :
Code:
# /opt/apachew/bin/httpd -l
Compiled in modules:
core.c
mod_authn_file.c
[Code]....
There should be no mod_proxy but why should it still accepting proxy request? I checked the access_log file and still found [URL] and so on.
My question is : - How to block all the proxy request and only accepting the normal web server request? I also have tried to enable proxy in the previous Apache and then setting up "ProxyRequest Off" and Proxy * only from localhost but the request is still there.
I tried by myself using the webserver as proxy in browser and all the URLs I opened including the false URL will be redirected to my index.php and this should show me that 'you-can't-use-this-as-proxy-anymore' right?
Insane people still believe they could use my server and they keep trying and trying.
I couldn't block the IP addresses because some of them are using the mobile data (GPRS/UMTS) and that is our market for the website.
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Dec 16, 2010
I created VirtualHost in apache configuration file.
Code:
NameVirtualHost 77.79.13.20:80
<VirtualHost 77.79.13.20:80>
DocumentRoot "/var/www/host"
ServerName host.t2p.lt
</VirtualHost>
[Code]...
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Feb 26, 2011
I'm setting up a full server configuration on Fedora, moving it from Mandriva which sadly faces a rather uncertain future. Things are going well and I will be ready (and more familiar with Fedora) in time to upgrade to Fedora 15.
What I have done so far in regard to networking setup:
I first removed Network Manager and replaced it with the network service (chkconfig --level 25 network on). That put an end to the overwriting of /etc/hosts, which now reads simply:
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Jan 25, 2010
I am trying to add a virtual host to my machine by name to the IP here.It absolutely refuses to work.it is a mess server I hope to upgrade soon, but it has 2 versions of apache running together on it.The first one (php3) just proxies all the requests from 80 to 8080 which has another instance of apache running php5.I don't know what else to do, it keeps defaulting to the host header error virtual host.
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Mar 29, 2009
I'm running Fedora 10 with Apache 2.2.11 and I noticed something a little strange going on. This morning, logwatch alerted me to the following concerning apache:
Code:
Sure enough, the apache access log file shows the following:
Code:
mod_proxy is disabled in the apache config file anyway (default mod_proxy commented out):
Code:
When I tried to access my web server to check, it was down, and I got the following when checking its status:
Code:
So I checked the apache error logs and found the following:
Code:
There's nothing wrong with line 188 of the config file:
Code:
It seems fairly apparent that there has been an attempt to use my web server as a proxy to gain access to other servers, so I have a couple of questions:
1) I presume that the attack failed, since mod_proxy was disabled?
2) Why did my web server crash? (It has never done this before). It seems very suspicious that it tried to restart, but failed to load proxy_module modules/mod_proxy.so on the same night that someone had attempted to use mod_proxy. I have since successfully started apache without making any configuration changes.
3) Do I need to worry that any part of my system has been compromised?
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Feb 11, 2010
Just followed the link [URL] for installing apache with --enable-so only. How can I install mod_proxy into the same?
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Aug 22, 2011
I am setting up a VirtualHost on my Apache. I am quite not familiar with Ubuntu setup so I am wondering what will I do with the 000-default file (which contains a template of virtualhost syntax)? What filename will I save it to?
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Aug 22, 2010
I am trying to create solution with Reverse Proxy, mod_proxy and mod_proxy_connect. I haven't really used this before so I am just curious if I am doing it right. I have attached what I am trying to do plus a copy of the config:Here is my current requirement
We are going to have 3 servers, right now our top level domain is[URL] We have an E-Commerce Server in Production Right now that already has an SSL Cert on it so right now the production server for E-Commerce is [URL] However, as we are growing, we don't want to use subdomains, so instead, we want to use the reverse proxying feature on apache. We are running mostly windows servers and IIS for the E-Commerce, CMS and the Wordpress Server. Assume the following -
Apache Proxy Server 10.100.10.60
E-Commerce Server 10.100.10.3 (www.ooolalashop.com)
Content Management Server 10.100.10.3 (cms.ooolalashop.com)
Word Press Blog Server 10.100.10.3 (blog.ooolalashop.com)
1) We need the following mapped
[URL] - maps to ecommerce server - since ssl cert is going to stay on the server, on the proxy we just create a static host that points to the e-commerce server
[URL]
All of these should be pretty easy to reverse proxy
2) We need to be able to proxy the SSL connection or have it pass through to the server on the back end with the domain [URL] right now we are getting some errors Here is the error I get with SSL [Sun Aug 22 01:51:30 2010] [warn] proxy: No protocol handler was valid for the URL /. If you are using a DSO version of mod_proxy, make sure the proxy submodules are included in the configuration using LoadModule.
Here is a copy of the config
<VirtualHost *:80>
ServerAdmin support@cometcomputing.com
ServerNamewww.ooolalashop.com
DocumentRoot/var/www/ooo
[code]....
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May 14, 2010
I seem to be having a problem with mod_proxy and https websites. A simple connection to port 80 works fine but all calls to 443 fail.
I had a look at my firewall but can't see anything that would block port 443, although I get no tcpdump traffic on that port on the deb01 client when I try and connect to it. I disabled the firewall but still no luck.
My configuration consists of 3 VMs (KVM) each running a different website.
I get the following error when connecting to ssl deb01
Code: An error occurred during a connection to deb03.example.com.
SSL received a record that exceeded the maximum permissible length.
(Error code: ssl_error_rx_record_too_long)
The following is what can be found on the host
Code:
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Jun 9, 2011
I need to ask how to add new virtualHost in litespeed.I just installed it.
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Apr 12, 2010
Dom0 is having public IP. I read a lot of blog and tutorials about name based and IP based hostings and also about mod_proxy. But I am unable to do.
Here is what I am trying to do. I have a webserver on public IP.Which is running Xen on it. There are 4 Guest Operating systems installed on top of Dom0 which are Dom1,Dom2,Dom3,Dom4 These are application servers which are going to serve the requests that come from the main server.Which is Dom0.
All I see is "It works" on all 4 of the hosts. On my LAN on any machine on same subnet if I do [url] of Domu1 message comes
Code:
in browser from LAN gives me a message
Code: It works.
What do I need to do on Dom0 so that requests are forwarded to the appropriate DomUs apache2 is running on all of them including Dom0.Some one suggested me to go for ReverseProxy in Apache2.
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Mar 9, 2010
i'm using apache2 prefork as proxy (mod_proxy) and i'm facing some performance problems such freezes , for instance the entire server blocks and becomes totally unresponsive after several requests.
at first i thought that the system is running out of memory so i tweaked the mpm config and reduced the number of allowed processes that can start concurrently , however the problem still persists..would mpm worker serve better than prefork ?
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Jul 31, 2011
We'll yesterday I got a new server and just installed Linux Debian. The thing is it's been so long (for over 5 years) that was the last time I set up virtualhosts in apache. The thing is I googled around a bit and supposedly my virtualhosts are OK, but I get this WARN when I restart apache2:
[Code]...
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May 15, 2009
My server running CentOS 5.3. I use yum to install httpd, httpd-devel, php and it's module to run my site.
When I setup VirtualHost, i open httpd.conf and add some directive:
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Dec 24, 2010
I have a server acting as a proxy to a couple of IP cameras on my local network. The IP cameras require HTTP-Authentication (Basic) but I want the outward facing Apache server to automatically log in without prompting the user for a login.
My current configuration is:
Code:
That works as a proxy but still asks for a HTTP Auth login. Can I get Apache to pass the login details to the IP cameras so users can just hit up the proxy and view the camera without having to log in?
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Dec 5, 2009
I am a novice with linux but I pick up stuff pretty quick so far I have been able to figure everything else out except this, I have read all the documentation on apache 2 and getting virtual hosts to work and it appears I have everything setup right but yet I still can't get it to work, I have googgled my brains out and I still can not figure out whats going on here is my setup.I have two websites that I am trying to get to load[URL]I have webmin installed and I'm using their utilities to setup virtualhost. heres how it looks in my http config:NameVirtualHost 24.189.245.44:80 ( I have tryed * in place of my external ip)
<VirtualHost *:80>
DocumentRoot /var/www/html/gamerbreed
ServerName gamerbreed.com
[code]....
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Aug 25, 2010
I currently am running 10.04.1 and have successfully setup my home web server to run a single website. My current settings are:
-I have registered the domain name annarrankings.com through godaddy
-A record is - host = @ and points to = 71.114.220.3
-CName is - host = www and points to = @
-on my server I have the site running in /var/www
I've done some research and found that to run multiple websites I need to setup VirtualHost.
-So I created a folder /var/www/annarrankings.com and moved my site to that folder
-Edited Apache2.conf to add the following line
-I then went to /etc/apache2/sites-enabled and copied the default file to a new file called annarrankings.com. Here's the annarrankings.com file after I edited it
-I then created a link in /etc/apache2/sites-enabled to the annarrankings.com file in /etc/apache2/sites-available
-Next I editied /etc/hosts
-When i went to enable the site using a2ensite annarrankings.com I got the following
I figured this was ok since I had already created a symbolic link earlier (a result of trying to following multiple tutorials and ..... videos at once) so I reloaded apache2. I created an index.html file in /var/www/ just for testing purposes and when I load www.annarrankings.com I get the file located in /var/www/ instead of the website located in /var/www/annarrankings.com Do I need to change my A record or CName in godaddy or did I just do this completely wrong?
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Apr 29, 2010
I have just been told that httpd was not running on my Centos virtual server. It seems that my hosting company rebooted my server 2 days ago and that httpd restart failed due to:
Starting httpd: httpd:
Syntax error on line 213 of /etc/httpd/conf/httpd.conf:
Syntax error on line 2 of /etc/httpd/conf.d/proxy_ajp.conf:
Cannot load /etc/httpd/modules/mod_proxy_ajp.so into server: /etc/httpd/modules/mod_proxy_ajp.so: undefined symbol: proxy_module
I had worked around and forgotten about this some time ago. The problem arose because the most recent httpd update installed proxy_ajp.conf into /etc/httpd/conf.d which was then loaded on restart The trouble is I do not use mod_proxy (I think just to try and get a lean and mean web server) and proxy_ajp.conf does not check if mod_proxy is loaded before it tries to LoadModule proxy_ajp_module modules/mod_proxy_ajp.so
Hence httpd fails to restart. RedHats's bug tracker lists this as an old issue (which was never resolved) [URL] My workaround was to rename proxy_ajp.conf to proxy_ajp.conf.orig so that httpd would start up correctly. However any updates simply reinstall proxy_ajp.conf and so IMO the problem needs to be resolved at source. how to ensure that httpd updates do not bite me in the future? Do I really have to run mod_proxy whether or not I need it?
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Oct 14, 2010
I am trying to solve a problem where Apache stats aren't displaying correctly in Munin. I've ran through quite a bit of checks and tests regarding Munin setup, but I think my issue is related to Apache, but my skill set there is lacking.
first, system info:
monitored server:
CentOS 5.3 2.6.18-128.1.1.el5
[code]....
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Feb 4, 2010
Any one have an idea How to clear apache cache without restarting apache server.
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Jan 24, 2010
I am upgrading my server and I have a lot of sites. Since I cannot take my server down for a few days, maybe a week until I manage to migrate all the sites to the new machine, I figured I could migrate them one by one. After migrating one, I would somehow tunnel the requests of that name virtual host to my internal machine. When everything is migrated, I would then switch the machines, update ip's and stuff and everything will work just fine.
However I cannot seem to find a way to do this tunneling. is this at all possible? If not, what alternatives do I have?
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Apr 15, 2010
I have a proxy with SSL that forward any request to a backend platform. In this moment I have a problem if I'm trying to execute an activex on the backend platform. I'm reading that the mod_proxy blocks any activex request because it don't trust for the system. How I can do? I'm reading about mod_security.
Code:
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Apr 15, 2010
I have an httpd server with mod_proxy that forward any request to an another server.
the flow is: client --> requesto proxy [url]forward to server [url]
I'm reading this error in my httpd log in LogLevel debug (after some request):
Code:
Code:
and this is my ssl.conf in /etc/httpd/conf.d
Code:
how I can find the root cause?
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Nov 19, 2010
I'm working on setting up a hosted OSS app on a VPS and have a question about doing some proxying. I have Centos 5.5/Apache 2.2 running on 2 VPS's, in different locations, accessible from the net. One of these hosts the app itself, the other will be used as a web portal where the end user will login to auth and then be able to access the app. Now, since I don't wan't access to the app server from the world at large, I want to firewall it and only allow access from the portal machine. So what I think I need to do is set up a reverse proxy with mod_proxy, and then if the end user auths forward them to a specific url on the app server.
So when they connect to [url] and log in I need them to be redirected to app.machine.com/theirdir
So the questions I have are:
1) Can this be done? If so, is mod_proxy the way to do it? Configuring Apache isnt a problem, but I havent worked with mod_proxy.
2) If this does work, will it also work with SSL?
3) I've seen a few small tutorials on the net, but not doing exactly what I want to. They all use the reverse proxy with a public IP connecting to a server with a private IP behind a firewall, while I have public IP's on both ends. From a network standpoint I know this shouldn't matter, but I'm not familiar with mod_proxy's particulars itself.
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Feb 5, 2010
I set up mod_proxy in order to get rid of :8080 now I cant access phpmyadmin through the browser. what is the quickest way to turn off mod_proxy and access phpmyadmin? I would like to optimize the tables and back up the sql file. I just need to turn it on for a bit, and then enable mod_proxy again.Right now, if I got to localhost/phpmyadmin, it redirects to the main application.
I have used a2enmod, and added
sudo a2enmod proxy
sudo a2enmod proxy_http
sudo a2enmod proxy_ajp
[Code]...
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Jan 20, 2011
I am installing Big Brother on a CentOS 5.2 running the default Apache 2.2.3. When I try to access any web page I get the following error: Forbidden You don't have permission to access /bb/ on this server. Apache/2.2.3 (CentOS) Server at fmsubbnix Port 80 So far I have:
1) Set the Directory options to FollowSymLinks
2) Verified all directory and file permissions are at 755
3) Set permissions temporarily to 777 and received same error so I am assuming the issue is in a config file somewhere
4) in hhtpd.conf verified <Files ~ "^.ht"> is correct
5) verified the "default" directory is correct (/var/www/html)
I have read and tried several ideas in posts listed on the web but to no avail and am at a loss as to what to look for next..
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Apr 11, 2010
I've set up apache2, but I'm having trouble getting virtual hosts to work
my /etc/hosts
Code:
127.0.0.1localhost
127.0.1.1johnny-desktop
127.0.0.1go
[Code]....
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Aug 10, 2010
I applogies if this doesn't fit or if this is right in from of my face but, I'm a bit confused.I'm trying to configure a few VirtualHost in apache2. I currently a default virtualhost and 2 other sites. No matter which domain I visit I still get the default page.. My Confusion is, I've been reading and some places seem to say that my virtual hosts should be in /etc/apache2/sites-enabled/*Config File* and other seem to say it should be in /etc/apache2/httpd.conf what the awsner... I've tried both ways with no success .... If I put NameVirtualHost in httpd.conf I get an error saying their are no virtual hosts.
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May 19, 2011
Ive made a site on my Ubuntu server and link the folder where it is with VirtualHost. The problem is, when i place mypage.com works, when try www.mypage.com goes to the apache "It Works" page.
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