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

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Protocol not available errors in squid3

I set up a transparent cache proxy on my Raspberry Pi with Squid3. Everything seems to be working fine and Squid is caching everything it's supposed to and working perfectly. The cache.log is filled ...
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19 views

Squid proxy with 2 NICs

I'm trying to make a squid proxy in ubuntu 14 and can't make it to work. This is what I got so far: etc/network/interfaces iface eth0 inet static address 192.168.1.9 netmask 255.255.255.0 broadcast ...
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16 views

Proxying certains URL's to another server, while also keeping request to original server

I need to receive a request to my webserver and then spawn "a copy" of the http request to another server. Both servers need to receive this request. For instance: When serverA.com/dosomething is ...
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30 views

How to block external sites using squid as forward proxy

I'm currently blocking sites using an acl, i.e.: acl block_site dstdomain "/etc/squid3/blocked". That works great, however, I'm wondering if it's possible to also block all external domains? For ...
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36 views

nginx cache always returns MISS

I have 4 upstream server and I want to serve static files. I don't want to cache API calls response. This is what my upstream server returns for a sample CSS file: curl --verbose -X GET ...
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17 views

How to use Apache2 to proxy a service from a subdirectory URL to another port on the same server, while enabling SSL?

I'm running Ubuntu Server 14.10 which has an apache2 install hosting a couple of websites. I also have some other web services installed which are accessible on other ports. Here's a layout (sorry I ...
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12 views

CheckPoint proxy chain

I have some problems in understanding proxy chaining in CheckPoint R77.20. I have a proxy server in our local network (not DMZ) and I want to use that proxy for specific URLs. In ISA we have ...
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37 views

X Forwarded For Showing Origin IP

My X-Forwarded-For header is showing my origin IP. I am routing traffic via Cloudflare and I know it's touchy with that header. I changed it to MYNAME-Forwarded-For just to check and it still shows ...
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6 views

Openshift proxy timeout

I have an application hosted with Openshift and I need it to generate some Excel reports. The report generation process can take a long time (over 5 minutes). This causes the the client to see a 502 ...
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18 views

JPG file and other of higher size not downloading

We have a SAP application for official use wherein all the documents are uploaded and saved in a server and from where it can be downloaded by anyone after logging in the server with his/her user ID. ...
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63 views

Loose the header REMOTE_USER after reverse proxy

I have a configuration file that enables me to do a reverse proxy. The problem is, before the proxy I am viewing all the headers and REMOTE_USER is not null but after the proxy, the same variable is ...
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49 views

Squid3 don't caching, always TCP_MISS/200

I have installed Squid3 and now I wont set it to caching WMTS's. This is valid WMTS service url http://mapy.geoportal.gov.pl/wss/service/WMTS/guest/wmts/ORTO and here is link to image from this ...
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36 views

How to preserve the name of the remoteUser while reverse proxy?

I am using a software which enables me to log my operations and one the things it is loggin is the name of the remote user. Neverthless, I have a little problem since I am working on a secured ...
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27 views

Allow URL:Port in Forefront TMG

I have Forefront TMG 2010 installed as a Proxy server to limit internet access to users. I usually have the following issues: 1- I can't configure Email clients (Outlook) with URLs of POP/IMAP and ...
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35 views

Apache proxy base url match

My requirement is to match the URL in domain level, could you please tell me what exactly I have to do for this. If the user browses to x.y.example.com or y.z.example.com, then when they reach the ...
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30 views

Do modern web browsers always send the web server's hostname in the SNI extension header?

When a web browser that supports Server Name Indication (SNI) connects to an HTTPS site, does it ALWAYS send the hostname in the SNI field? That is, there is no way for a web browser to know if the ...
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23 views

Suggestions required on how to allow users access to WiFi Captive Portals when roaming

I have written a script that will turn the proxy settings off and back on again after an allotted period but you often need to open up Internet Options > Connections > LAN Settings and click OK for ...
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32 views

Local DNS lookups sent to Proxy

There is one laptop in the domain that, for some reason, sends traffic meant for local servers through the proxy. For example: surfing to http://Hostname1 The client has in it's proxy exceptions: ...
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103 views

Nginx proxy pass url from get argument

Let's say I have server example.com with nginx. I want to make a proxy which will proxy pass URL given as part of request URI or GET parameter (it may contain query string). So e.g. I want nginx to ...
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35 views

The apache2 server only work under tcp6 for ftp, how to make it work tcp4?

I use apache 2.4.7 on ubuntu. I already added proxy and proxy_ftp module. The ftp site configuration is: <VirtualHost *:21> RewriteEngine On ServerName ftp.mydomain.com ProxyPass / ...
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46 views

How to bypass OpenVPN per application

I have a linux machine that routes its whole internet traffic through an openVPN connection. It was explicitly configured to work that way. However, the machine has a few applications that should not ...
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121 views

HAProxy Does Not Recover After Failed Check

All, I'm having an issue with HAProxy not recovering after a backend server is restarted. I'm not using the proxy for load balancing, but to direct different URLs to different servers (web and web ...
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45 views

Configure client for two apt-cacher servers

I have two apt-cacher-ng servers up and running, but I am wandering how best to configure my clients to use them. The primary reason for having two servers is load balancing, but we would also like ...
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35 views

http proxy through multiple-hop telnet firewall

My work a has a ridiculous firewall that involves opening a vpn, telneting to an internet-facing firewall host on the internal network, and then telneting from there to a development host behind the ...
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39 views

Access ProxyChains thorugh local socks5 server

This question is a bit tricky but on it's basis I simply want a scenario where I can use my proxies just by connecting to 1 socks5 server from everywhere on my local network and don't have to worry ...
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33 views

IIS 7 Reverse Proxy based on subdomain and port

Using a single Windows server with IIS7 I would like to reverse proxy three sites rewrite: http:// site1.mydomain.com --> http:// internal:111 http:// site2.mydomain.com --> http:// internal:222 ...
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53 views

Downloads fail after ~100kb using NGINX reverse proxy

I have a remote reverse proxy nginx server that feeds traffic to an apache web server. When a user attempts to download a file, it stops after approximately 80-100kb, and then the file is of course ...
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57 views

VPN server with mitmproxy

I have a mitmproxy script I want to run on all incoming VPN HTTP/HTTPS traffic, however, I am not sure how to achieve this. Is there a linux VPN daemon that allows me to redirect traffic to a ...
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130 views

How to use WebDav with a proxy

I am having some issues trying to get my configuration to work correctly. I am running OwnCloud on one server 192.168.168.80 that has Sabre WebDav installed and Apache with MOD_Proxy on another ...
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226 views

HAProxy resetting backend connections

I'm in the process of setting up a series of servers as proxies to our application server, primarily to obscure the application server's IP as part of a suite of anti-DDOS measures. My goal is to ...
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38 views

Stop Nginx From Overwriting Proxied Server Errors

I have a a server running behind an Nginx proxy. Sometimes this server returns 500 errors along with some useful information about those errors. Nginx seems to be swallowing the errors and returning ...
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10 views

Can apache (mod_proxy_balancer or something else) manage probe on specific URI?

I have an apache server used as a balancer to reach two nginx instances which in their turn communicate with a specific tomcat application. The tomcat exposes a healthcheck to verify application ...
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123 views

Configure nginx to proxy pass when some conditions occurs or to use php fastcgi otherwise

I have a particular case on which I want to redirect visitors to a "prerender" server when I found out the visitor is a crawler (to give a SEO-optimised website) and to a standard php fast-cgi ...
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118 views

Convert normal request to proxy request

I need to send requests from an application (Jenkins) to a certain url only via forward proxy server: Jenkins --> Proxy w/authorization --> https://confluence.mycorp.net/* Jenkins does not ...
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196 views

Access pfSense reverse proxy sites from LAN

I've configured multiple webservers inside the reverse proxy package to redirect to a single servers, but on different ports. app1.mysite.com -> app.mysite.local:8000 app2.mysite.com -> ...
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45 views

Captive portal and walled internet

I am creating a tour guide app which visitors can download when they arrive on location. There will be a Hotspot to which they connect, they will get a welcome page with instruction (and a button to ...
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63 views

How do I diagnose a blocked connection to an internet webserver?

When I browse to three specific sites (which happen to be run by the same provider), I get a 403 Forbidden Nginx error. However, the sites are up. I am able to access the sites when I use a proxy ...
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19 views

How can I proxy requests to a specific IP to a different IP on OS X?

On OS X how can I setup a route so that when I make a request to 10.0.0.1 it is redirected to localhost? Right now I can do curl localhost:3000 and get back a blob of HTML from my running node web ...
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107 views

IMAP proxy setup to allow use of IMAP IDLE?

First-time poster, long-time lurker/reader. Sorry for the obscenely-verbose question...I intended to keep it more concise. Also, sorry about the links not being "actual" links -- I don't have the ...
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124 views

Nginx proxy to Go dramatically reduces performance

I just finished coding up a small Go script listening with the Go http package. I wanted to put nginx in front of it (I need to serve static files in a subdir as well), but noticed that req/sec and ...
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85 views

Keep-Alive on forwarding proxy

I have a forwarding proxy (apache 2.2) configured in my environment. My server uses it to connect to a server in the Internet. Is it possible to configure proxy so that it reuses tcp connections ...
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61 views

NGINX: proxy_cache altering headers

I have been having trouble building a proxy between my server and s3 to cache requests. I finally boiled it down to a single point of failure... http{ proxy_cache_path /home/cache levels=1:2 ...
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21 views

Configure Proxy Server

Here is what I want to do: I have a Java application that supports execution of any HTTP/HTTPS URL with or without proxy server. I could able to do it with HTTP and HTTPS. But I am getting stuck ...
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138 views

Java client does not connect when bypassing proxy to corporate network

I am on a Windows 7 client that connects to a corporate network. We are running Pentaho Data Integration Client on the client that connects to a Pentaho DI Server that is on the corperate network. ...
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119 views

Set Headers for JSON in Apache proxy

Hello I try set header JSON in Apache proxy. I need this for test login in website. Below I put my apache config. <VirtualHost *:80> ServerName zx.xxxxxxx.xxxxxx.fr ServerAdmin ...
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41 views

Proxy all requests to domain.tld

Here's the situation: I want to direct all requests to to a proxy server. One idea I had was to force the DNS server to respond to the request for domain.tld to the server running the proxy server ...
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902 views

Squid3 TCP_DENIED/403 with TIMEOUT_FIRST_UP_PARENT

I have the following hierarchy: P1 and P2 are configured as: acl manager proto cache_object acl localhost src 127.0.0.1/32 ::1 acl to_localhost dst 127.0.0.0/8 0.0.0.0/32 ::1 acl localnet src ...
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78 views

Proxy website Centos

everybody would like some help from you I wonder what I can do about it, I would like to redirect an ip from my dedicated server for a website as well? actually would like to do something similar ...
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134 views

Synology behind a proxy responding only with the https port connection

I have a debian vps that act as proxy with the apache2 mod_proxy to pass wan's requests to 3 local different vps systems and 1 synology nas. All works except the synology nas, that have open the ...
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101 views

Reroute outgoing port through other server

I want to run a xmpp-server on another IP than the A-record of the domain points to. +--------+ +--------+ +--------------+ | xmpp | -----> | web | -----> | internet | | ...