Networking :: Proxy Redirect Based On Url
Mar 24, 2010
I work for a auto dealership, and they have a proxy server that is provided by toyota that does nothing other than route traffic some specific sites they use in the dealership. We are looking to put a local proxy server in place to filter web traffic of virus/inappropriate content. What I am looking to do is set everyone's proxy settings to point to our server but when someone puts in the toyota sites it will redirect them to toyota's proxy server and out. I am not sure if this is possible or not.
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Jul 7, 2011
My company requires a proxy server that requires a manual configuration to use. Many Ubuntu apps, however, do not respect the HTTP proxy settings.Is there anyway to modify my local firewall settings to automatically forward IP traffic to the company proxies in the same way a transparent proxy might work?Would I need to set-up my own local, transparent squid proxy which itself forwards to the company proxy?
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Apr 6, 2011
I need to redirect all http/https/ftp traffic through the remote proxy, but when I changes connection settings in browser or in System->Preferences->Network Proxy it doesn't work well: instead of getting page content browser asks for saving some short (8 bytes) file with the same content for all requested pages. It happens in Chrome/Opera/Firefox. This proxy requires authorization and works on computer with Windos XP. It worked well when I was using Windows 7 and Proxifier, now I have Ubuntu 9.10 with all available updates.
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Jan 9, 2011
I want to settup a proxy server who just redirect the internet connection to my second computer. I try Squid Proxy but its too complicated for me. Can you sugest me another more simple program to do what i want?
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May 5, 2010
What I want to do is to share the internet connected to a computer with a telephone, over another telephone which is permanently connected to the pc.The thing is, that some guys found a way of making this on windows, in fact, I already set it up on xp and works like a charm, it involves configuring in a certain way the telephone,d to use 2 programs. One is CCProxy, which redirects the internet connection to the telephone, and another one, which updates the IP adress of the telephone connection to dyndns, so that I can put that adress on my second telephone as proxy, and this way, surf on the net through my home internet on the telephone anywhere. Tricky right?
Now, the thing is I don't like at all booting windows only for sharing internet with my telephone. So I want to do it in linux. I use Ubuntu and Puppy linux home.I tried setting up the connection to the modem with wvdial, and... I got connected! But hey, when I connect to the telephone, I lost my internet connection (main, cable based, the pc connection) :-S. I mean, somehow, the "active" connection for the browsers and all the internet programs is now the connection I have made with my telephone, which is plugged to the computer.Now my objective here is that NO CHANGE of active connections get done when I start the connection to the phone, and then, get a program like CCProxy, and a dyndns updater for sharing the internet connection on the pc, to the connection made on the telephone-modem wired to the computer.Am I clear? I know it is confusing, and it took me weeks to understand how it works and get it done in windows. But now... Ubuntu is what I want.
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May 5, 2010
What I want to do is to share the internet connected to a computer with a telephone, over another telephone which is permanently connected to the pc.The thing is, that some guys found a way of making this on windows, in fact, already set it up on xp and works like a charm, it involves configuring in a certain way the telephone, and to use 2 programs. One is CCProxy, which redirects the internet connection to the telephone, and another one, which updates the IP adress of the telephone connection to dyndns, so that I can put that adress on my second telephone as proxy, and this way, surf on the net through my home internet on the telephone anywhere. Tricky right?
Now, the thing is I don't like at all booting windows only for sharing internet with my telephone. So I want to do it in linux. I use Ubuntu and Puppy linux home.I tried setting up the connection to the modem with wvdial, and... I got connected! But hey, when I connect to the telephone, I lost my internet connection (main, cable based, the pc connection) :-S. I mean, somehow, the "active" connection for the browsers and all the internet programs is now the connection I have made with my telephone, which is plugged to the computer.Now my objective here is that NO CHANGE of active connections get done when I start the connection to the phone, and then, get a program like CCProxy, and a dyndns updater for sharing the internet connection on the pc, to the connection made on the telephone-modem wired to the computer
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Sep 26, 2009
We installed the apache server on oraapps.yan.com. we are planning to use as a proxy server.we have 4 servers inlcuding oraapps.yan.com. Each of them has 3 or more applications. I would like to redirect them to oraapps.yan.com. is it possible. if its how to do that.
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Jul 5, 2010
I am using squid server. I want to redirect one perticular url request to other squid proxy server .
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Aug 21, 2010
I've two internet based server ( xx.xx.xx.xx and yy.yy.yy.yy ) The Y server is running VNC server and is responsible for answering to VNC sessions. But I need to hide the IP of Y server so I want X server to be as VNC Proxy and redirect all VNC sessions to Y server.
I guess the best way is to use iptables but actually I can't get it working so
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Jul 8, 2011
I'm looking for a way to redirect e-mail with postfix based on sender AND recipient. What I want: Let's say I have 3 users:
[code]....
and an external address, let`s call it [URL] sends e-mails every day to andy, mark and john Now, MARK and JOHN, need the e-mail sent by [URL], but TOM doesn't need it. Is there a way to redirect ONLY the e-mail sent to TOM from [URL], to some other address, let`s say [URL] without affecting the e-mail received by MARK and JOHN? Unfortunately using SENDER ACCESS redirects ALL e-mail from [URL]
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Apr 10, 2010
I have just installed ubuntu server 9.10.Now i wish to make it my mail server and proxy server along with my web server can i. The config of the macgine is PIV 512MB ram, 80Gb HDD. The enviroment that we have is. We have 2 diff isp in the workplace, 1 is the main link and the other is a failover link. At present we use wingate which has the facility for the same. My question is because i am not so used to command is there a GUI based proxy server for linux which is same or similar like wingate or winproxy. how to setup all these so that i can learn and then start spreading the linux into everyones mind so that we are not bugged i with ms.
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Dec 9, 2010
Currently my DHCP Server is working now what i want to have is auto detection of squid proxy in any browser but I still got an error in my dhcp server when I restart it.
My Config:
# DHCP configuration generated by Firestarter
ddns-update-style interim;
ignore client-updates;
[code]....
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Oct 28, 2009
At the moment I have a proxy and all the users have to configure it in the browser to access internet. I want to make the users able to browse even without configuring the proxy in the browser. but eventually it should be received in the proxy rather than giving an error to the user. I heard with transparent proxy I can redirect all the traffic from a particular network, to a particular host( ie my existing proxy).
I tried this using firewall rules. But then the existing proxy doesn't understand the protocol of the requests. I heard that it should be in the kind of proxy protocol.
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May 18, 2010
we need to log web access of a certain set of users for analysis. We decided to setup a proxy server which just logs all the requests but does not do anything else like caching/access control etc.All users will be using a fixed set of computers and hence we can redirect their requests to the proxy. I came across Squid, but found it to be too heavy for our requirements. Is there any other proxy-server software that is good enough for what we want or is Squid the only way?
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Feb 23, 2010
I've setup squid proxy st time on centos 5.This is my current setup.squid.conf:Quote:acl our_networks src 192.168.10.0/24 ttp_access allow our_networksQuote:
internet -- modem -- Firewall --switch--squid proxy (192.168.10.100)
--client workstation ((192.168.10.200)
(client workstation is connected to the same switch as the squid proxy)
[code]...
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Mar 4, 2010
I use Centos 5.4, squid 2.6 stable21
I want to redirect only one url to another in a simpliest way.
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Mar 9, 2011
I am trying to grep multiple numbers from file, grep does have the -f option for that.
Code: grep -f <`seq 500 520` /etc/passwd I know this could be done with
Code: for i in `seq 500 520`; do grep "$i" /etc/passwd; done But my question is fare more behind this example. It is possible to redirect one command output which will be treat as a content of file for another command ?
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Jul 20, 2011
where to look for setting up my web server A so that if I have to bring it down for maintenance, all web traffic will go to my backup server B. I thought about changing DNS entry but that will take time to update.
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Apr 9, 2010
I'd like to set up an iptables configuration as follows:- Allow all traffic by default- For one user account (anonymous), block all traffic except:- All traffic on lo- All DNS requests, which should be redirected to 127.0.0.1Here's what I tried:
# Redirect
iptables -A OUTPUT -p udp -m owner --uid-owner anonymous -m udp --dport 53 -j REDIRECT --to-ports 53
[code]....
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Jul 18, 2011
I have a virtual environment, RHEL6 minimal install. On that, I am trying to run Liferay6 on Tomcat6 for the purpose of writing prototype business portals. I used the Liferay+Tomcat bundle downloaded from the Liferay website.
For security reasons, the server can only be accessed through port 80, and Tomcat listens on 8080. (I know I can run it so that it listens on another port, but I'd like it on 8080)
Goal:
Use iptables to forward traffic destined for 80 to port 8080.
What I Did:
Configure nat to forward tcp packets from 80 to 8080:
Code:
List the nat iptable:
Code:
wget to 80 doesn't work:
Code:
What I Already Checked:
Tomcat did start normally. Logs show no errors, and specify that Coyote HTTP/1.1 is initialized on http-8080. I can provide this log if need be.
Tomcat is listening on port 8080:
Code:
Code:
I get the same negative result on the VM on the server as I get on a RHEL6 VM on my laptop.
The iptables method that I described above does in fact work with Liferay6 on Tomcat6 on Ubuntu 10.10.
I have looked at this thread. I appear to have tried everything that was mentioned there.
Actual Question: I would like to know how to effectively forward 80 to 8080 on RHEL6, so that I can access Liferay on Tomcat (listening on 8080) at 80.
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Feb 2, 2010
I have "Server A" with real internet ip 1.2.3.4 (eth0) and lan ip 192.168.1.1 (eth1) There's also "Server B" with lan ip 192.168.1.2 (eth0), I'm running an Apache Web server on "Server B", so I want to redirect all traffic from IP 1.2.3.4 port 80 (Server A) to 192.168.1.2 port 80 (Server B), using the following rule:
[Code]....
iptables -t nat -A PREROUTING -p tcp -d 1.2.3.4 --dport 80 -j DNAT --to 192.168.1.2:80 This actually works pretty good, from internet I can browse ttp://1.2.3.4 But the problem is that if I check the Apache logs, all incoming connections seems to come from 192.168.1.1 instead of showing the real source ip addresses (internet ip's) so this is screwing up all my web stats, I've been looking for hours and hours on how to make a transparent redirect, but can't find any info, I know there must be a way because my old WRT54G router which uses iptables could do it.
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Dec 15, 2009
I have a bit of a strange scenario. I have a machine with a fixed IP (192.168.0.108), running Linux. It has an external IP 99.99.99.8 via a 1:1 NAT on a Cisco ASA/router. Port 3389 (MS RDP) is open for 99.99.99.8. I want my Linux machine to listen on port 3389 and redirect all traffic to that port to a Windows machine (192.168.0.100). In this way, my Linux box is able to respond to requests on all ports, but port 99.99.99.8:3389 connects to Remote desktop on the Windows PC. I do not have access to the Cisco NAT config. I was able to get this setup to work by using an SSH tunnel.
I ran this command on the linux box:
ssh -L 3389:192.168.0.100:3389 ergosteur@192.168.0.108
Any ideas? Perhaps using iptables or something?
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Mar 31, 2010
I have recently just got another internet connection at home via cable as well as my exisiting DSL connection. I was wanting all my web browsing that I did via squid to be redirected down the cable connection. The box has a single nic at the moment and the default route sends it via the dsl connection for the mail server that is also running on the box.I was hoping that anything that hit squid would go down the cable connection that is plugged into a router and thus I can route to 172.16.2.251 and everything will go out via cable.
I was reading about iproute2 and marking the packets and is wondering whether this is the way to go?
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Jul 6, 2011
is there any way to point certain packets from my outgoing traffic to a LAN : port ?
can iptables do this ? if yes how ?some like this [URL] ?
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Jan 12, 2010
i have problem with my configuration iptables, i have configured for transparent like this,
for masquerade -> iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
for transparent -> iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-ports 3128
how to make a rule if there 1 address i dont want to redirect to port 3128? in other words 1 specific address just run on port 80.
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Jan 10, 2011
Hi,
In squid i have blocked some sites like facebook and ......I want to know is there any way when user type in his browser like www.facebook.com instead it show something like following it automatically redirect to www.google.com
Error
The requested URL could not be retrieved
The following error was encountered:
Access Denied.
Basically I want to redirect the http request so the user should not see the page not found error but www.google.com page may open automatically.
thanks
garden
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Jun 2, 2011
I have a strange problem and I can't seem to find clear information on how to do this . I have 2 loadbalancer set up keepalived NAT mode with 2 interfaces each
internal vip - 192.168.0.199
external vip - 195.x.x.21
lb1 -master
bond0 - private - 192.168.0.239
[code]...
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Jul 23, 2011
My network isPC1 -- (NIC1,10.1.1.x) Linux (NIC2,10.1.2.x) -- Server 1 (HTTP/FTP)My question isIn the linux system, can I change the PC1 source port from 20000 to 30000? for examplePC1(sport:20000,dport:80)---Linux-- (sport:30000,dport:80)--- Server 1 (HTTP/FTP)
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Mar 30, 2010
I'm trying to redirect the requests from port 80 to ports 8080 and 8081 through iptables because I've got two services which need accept requests from the same port(80):
iptables -t nat -A PREROUTING -p tcp --dport 80 -j REDIRECT --to-ports 8080-8081
The problem is that the second port (8081) never gets a request, just the first one.
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Sep 10, 2009
From what I've read, when linux sends a ping it sends without the netmask, so windows server assumes it must be a broadcast? Why doesn't linux send a netmask with a ping?
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