Device or program that stands between two or more interconnected programs/devices

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2
votes
1answer
839 views

Ubuntu 12.04 Transparent proxy gateway

i have a ubuntu server which i want to use as a transparent proxy, (i have no issue setting up squid, just the iptables. The server only has one network interface. The server sits on the same subnet ...
0
votes
3answers
3k views

Trouble Letting Users Get to Certain Sites through Squid Proxy [closed]

We have Squid running on a RHEL server. We want to block users from getting to Facebook, other than a couple specific sites, like our organization's page. Unfortunately, I can't get those specific ...
-2
votes
1answer
431 views

how to “reroute” all packets that are coming from specific network adapter to some IP:port [closed]

I want to make a kind of WiFi proxy. And therefore I want to know how can I reroute packets that are going through specific adapter to destination IP:port.
0
votes
1answer
673 views

Why does nginx reverse proxy incoming bandwidth increase and surpass outgoing by far when proxy_buffering is enabled?

This is my current configuraiton... proxy_buffering on; proxy_buffer_size 32k; proxy_buffers 128 32k; proxy_send_timeout 20; proxy_read_timeout 20; #proxy_max_temp_file_size 1m; proxy_temp_path /dev/...
1
vote
1answer
368 views

How to tell httpd to preserve the proxied error message?

I have an httpd server proxying the requests to 2 different tomcat servers. One of my server handles the authentication and returns a specific http error code 521 when the user already have a running ...
1
vote
1answer
689 views

How can I configure BIND that it FORWARDS lookups to an internet dns

I would like to configure BIND that I have a few "local" zones with manual entries and all other lookups should be forwarded to an external internet dns. How can I do that? Maybe I'm absolutely wrong,...
7
votes
3answers
6k views

ProxyPreserveHost on individual proxypass rules

I have two proxypass rules on my web host, one that points to a local varnish instance for caching purposes, which I want ProxyPreserveHost enabled for, and another that points to a third party hosted ...
2
votes
1answer
160 views

Apache Forward Proxy (SSL between Client and Proxy)

I've configured an Apache VirtualHost to act as an HTTP forward proxy, works great, but I would like the connection between the client and the proxy server to be encrypted. Is that something Apache ...
2
votes
1answer
3k views

Setting Up Apache as a Forward Proxy with Caching

I am trying to set up Apache as a forward proxy with caching, but it does not seem to be working correctly. Getting Apache working as a forward proxy was no problem, but no matter what I do it is not ...
1
vote
1answer
783 views

Route SOAP request through external server

I need to integrate with a SOAP Web Service that requires that the requests come from a whitelisted IP address. As I often do development from all over the place it is quite annoying to ask for a new ...
4
votes
2answers
3k views

SSH multi-hop connections with netcat mode proxy

Since OpenSSH 5.4 there is a new feature called natcat mode, which allows you to bind STDIN and STDOUT of local SSH client to a TCP port accessible through the remote SSH server. This mode is enabled ...
1
vote
2answers
7k views

ADFS 2.0 Proxy Server Vs. Opening ADFS Server to public

We are working on deploying ADFS for SSO with o365. We have a consulting firm that handles our firewall configuration. Today, while attempting to get them to set up a DMZ for me to install my ADFS ...
0
votes
1answer
537 views

Traffic control plugin for Squid Cache

Is there any traffic control plugin for Squid Cache? One that allows me to check if that specific user has consumed X amount of MBs or similar.
0
votes
1answer
117 views

gpo proxy server settinngs for all applications

i am trying to set all internet connections of all network PCs via proxy server that is installed on windows server 2003 i have editted proxy setting from gpo, but it only worked for internet browsers,...
1
vote
2answers
234 views

Enforce using proxy in all browsers

I've configured squid with squid with squidguard and when using proxy in browser it works fine. But I want to enforce using proxy (probably in iptables) in all browsers. Now it can be disabled in the ...
3
votes
1answer
241 views

Appears to be “randomly” switching between the acl matched backend and the default backend

I have HAProxy acting as a proxy in front of: An NGinx instance An in-house load balancer in front of multiple dynamic services exposed with socket.io (websockets) My problem is that from time to ...
2
votes
1answer
1k views

how to configure squish for squid proxy server

Since this question is related to server, also for ubuntu, so i am little bit confused for where to ask this question. SO i decided to ask this question on serverfault. I am currently using squid ...
1
vote
1answer
62 views

Is it safe to publicly tell the IP of my proxy?

I'm working behind a proxy and I save my code using github.com . My snippets of java code contain some system parameters to tell java about our proxy: System.setProperty("http.proxyHost", "...
0
votes
2answers
552 views

Blocking IP's Nginx behind proxy

I'm running a Nginx 1.2.4 webserver here, and I'm behind a proxy of my hoster to prevent ddos attacks. The downside of being behind this proxy is that I need to get the REAL IP information from an ...
2
votes
2answers
660 views

using Nginx as reverse proxy to apache or stand alone

I've read a lot about this issue (including all threads in this site) and couldn't come to a conclusive decision. What is considered better (performance and security wise) for very high load sites (...
3
votes
3answers
879 views

Use server's IP via SSH tunnel

Firslty my setup is an Ubuntu laptop and an Ubuntu server. I have a program on my local laptop which needs to access a certain web-service, (lets call it http://someserver.com/someservice123). Now ...
2
votes
3answers
2k views

nginx not returning 304 on cached content

I'm using nginx as a reverse proxy with an Apache back-end handling some PHP files. The files return the right expiry headers and proxy_cache does a good job of caching them, but I've noticed that ...
0
votes
1answer
138 views

Why would one prefer Forefront TMG to products' dedicated proxies? [closed]

Some Microsoft products provide a dedicated proxy for external access, I'm thinking here about TFS Proxy server or Exchange Edge server. Why would one prefer using Forefront TMG as a proxy for these ...
0
votes
1answer
1k views

Why squid not processing HTTPS request from Linux machines and windows clients can access https

I am having squid proxy running on port 3128 with 2 nic eth0:192.168.2.22 with internet access. eth1:192.168.1.1 connected to LAN. Every machines in LAN have ip in the range 192.168.1.0/...
0
votes
1answer
3k views

How to route all network traffic for vlan through a proxy server on SRX

I'm trying configure an SRX router to automatically forward all traffic through a proxy server i have in the USA. I have created a separate vlan and configured the proxy but not sure how i can route ...
1
vote
2answers
279 views

Setup a LAN-wide proxy

I am trying to setup squid as a caching server for my local network. I am looking for a solution to make the whole network use the proxy automatically. In other words, I want every client on the ...
0
votes
1answer
661 views

AWS EC2 - Present UK IP address for outgoing requests from server in AWS Ireland data centre

We have an application that monitors client websites and does some crawling. We're looking to move the application to existing EC2 servers that we run, but testing suggests that we're going to have ...
1
vote
1answer
444 views

IIS Redirect a sub directory to an external URL

Hi forgive my ignorance for I am a humble client side developer... I am a webapp made up of static HTML and JS. But I want to call an external service via AJAX, this causes some issues with CORS or ...
-1
votes
2answers
75 views

I need to figure out a way for multiple servers to go out as a single IP address. Reverse proxy ?

I have multiple tomcat servers (X, Y, Z). They all make API calls to some servers (A, B, C). What I need to happen is this: Servers X,Y,Z are on AWS EC2. Servers A,B,C I have no control on where ...
2
votes
1answer
2k views

Lighttpd proxy redirect by port

I'm really just starting out with lighttpd and I'm not sure how to configure this exactly. I'm wanting to take traffic and redirect to another server say "http://localhost/url_a/" and redirect the ...
2
votes
1answer
2k views

Stop squid caching 302 and 307 with deny_info

TLDR: 302, 307 and Error pages are being cached. Need to force a refresh of the content. Long version: I've setup a very minimal squid instance running on a gateway which shouldn't not cache ANYTHING ...
1
vote
1answer
195 views

Routing all outgoing http to ntlmaps [closed]

I have a linux ubuntu vm which hosts a xampp setup. Unfortunately i'm behind an NTLM proxy so i cannot get php to "communicate" with the outside world. Apt-get works fine since i have setup ntlmaps. ...
1
vote
3answers
9k views

Why skype can not connect through squid proxy

No matter how hard i tried skype still can not connect to its server. Able to access other HTTPS servers like gmail,but skype is not working through proxy. squid proxy server eth0:192.168.2.22 with ...
3
votes
1answer
149 views

Can Varnish/Nginx cache and store PHP pages after user visited?

Please assume that there is a PHP CMS that retrieves content according to IDs from database. So every time you visit this website it interacts with Database and Processes the PHP request. Can Nginx ...
2
votes
1answer
1k views

Nginx + Haproxy + Thin + Rails - 503 Service Unavailable -

I don't know how troubleshoot this. I get "503 Service Unavailable" http error for all "nginx upstreams" proxy passing calls to haproxy fast_thin and slow_thin ( server 127.0.0.1:3100 and server 127.0....
0
votes
1answer
466 views

SQUID Transparent SSL proxy (no intercept)

I know how to have squid work as a transparent proxy. You put it into transparent mode then use your router or IPTABLES to forward port 80 to the squid port. I would like to do the same for SSL. ...
0
votes
1answer
619 views

Proxy JBoss HTTP with Apache HTTPS

I have an application running in JBoss 7 AS and I would like to front it with Apache HTTPD on the same server. The application is running in HTTP and I would like to have Apache on HTTPS. So, all ...
1
vote
1answer
532 views

Force proxy settings (Solaris\Linux)

I have tried the following from the command line in solaris: DATE TIME user@host> bash bash-3.2$ export http_proxy=http://localhost:8080/ bash-3.2$ echo $http_proxy http://localhost:8080/ ...
0
votes
1answer
197 views

SQUID Proxy in a thinclient environment

I have an environment that uses thin client technology. Many thin clients connect to a central server, log in, and get an X session under their username. All requests to the internet come from the ...
5
votes
3answers
3k views

nginx as proxy using a specific source ip

I'm using nginx to serve static file and proxy other requests to some Tomcat instance. The problem is that I don't know how to choose which IP address will nginx use to connect to Tomcat. Each Tomcat ...
0
votes
1answer
74 views

Inspecting traffic betrween two routers

My network looks as follows: PC1 >––––– [Router1 (Wlan)] ––––––––– [Router2] –––––––––> Internet ^ | x +––––––<...
0
votes
2answers
645 views

Do proxies and/or load balancers alter HTTP query strings by default?

Introduction to the problem Recently I was working on some request signing algorithm and it came out the opinions about including query string in the part that is then signed are "diversified". Long ...
1
vote
1answer
263 views

SSL Proxy: Forwarding without the encryption

I have a python application listening on port 9001 for HTTP traffic. I'm trying to configure Apache (or anything, really) to listen on port 443 for HTTPS connections, and then forward the connection, ...
0
votes
2answers
71 views

Service redirection on same network

I have a network on which I run multiple servers each dedicated to a given service. Because most services run on distinct ports I'm currently looking for a way of unifying "all" services into a ...
0
votes
1answer
66 views

Protocol analysis for flash app

Need analyze (reverse engineering} one flash application protocol. My idea is setup some proxy server, and capture all comminication thru. What proxy server can do this job? Or, is here better ...
2
votes
1answer
2k views

Nginx location to match query parameters

Is it possible in nginx to have a location {...} block that matches query parameters. For example I want to pick up that preview=true in URL below and then instruct it to do several different things, ...
1
vote
0answers
1k views

NGINX proxy ajax request

I don't see what the problem is with this NGINX server configuration. I'm running a tomcat server on port 8081, jboss on 8080, and have NGINX listening on port 80. I'm sending an ajax request to port ...
0
votes
1answer
273 views

smtp(s) proxy to monitor outgoing spam

I am looking for a smtp proxy to install on our gateway which should monitor outgoing smtp traffic to identify the source of recently occuring spam attacks from our network. It would be enough if ...
2
votes
3answers
808 views

Proxy to keep connection to API alive

On one server I have some 30 PHP sites running under Apache. All those sites use the same (HTTP) API to fetch some data. The API is hosted elsewhere (under my control) The API uses Nginx with keep-...
2
votes
1answer
259 views

Apache Proxy like ProxyPass / http://hostname/app-context on virtual host

can anybody tells me what's wrong on this: there is an app on tomcat running with context mobile and we want to have it available on root context of url m.example.com, I thought that this will done ...