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

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30 views

DNS Based Load balancing on squid - odd issues

I'm attempting to do round-robin DNS based load balancing for two squid boxes running as simple HTTP(S) proxies. For testing I'm using AWS Route 53. To simulate round-robin I created two records ...
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15 views

Setting HTTP proxy in OpenVPN client

I'm having trouble configuring my OpenVPN client to use an HTTP proxy. If I don't enter any proxy information in the client.ovpn file I get the following output: Mon Jun 29 14:30:07 2015 OpenVPN ...
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14 views

how to generate a list of currently active proxies in python

I have a python script where I get connected to some sites through proxy if direct connection fails. What I want to do is get a list of currently active proxies and I cant figure out how to do so
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11 views

General SOCKS server failure while using tor proxy

I am proxying traffic over tor, so letter on when I need to call localhost port, it gives failure error. def create_connection(self, address, timeout=None, source_address=None): sock = ...
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27 views

Proxy/Gateway/Router server for specific ports only

Sorry, i don't know the correct term for this type of server. English is not my primary language. This is what i want to do : I am migrating my already running web app to Google compute engine (My ...
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26 views

Netsh does not work as expected

I work with windows. my IP on the local network is A.B.C.D I have a service that runs on a network private to my machine @ IP E.F.G.H and port X I want users on my network to access the service ...
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35 views

Nginx - default 404/403/500 when using proxy_pass

I have two locations in my nginx config. It tries to serve static files from local filesystem, and if the file is not found there, it tries accessing a remote file server: location ~* ...
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48 views

Apache Reverse Proxy with Wildfly?

I have both Apache and Wildfly installed on a Ubuntu 14.04 system. Now I'd like to make Wildfly (locally http://localhost:8080) accessible from Apache (http://webserver/wildfly). How would I have to ...
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118 views

Avoid mixed content issues with the try_files directives when using Nginx as an SSL proxy?

I'm using Nginx to act as an SSL proxy inside a docker container listening on port 443. The proxy correctly works and properly routes trafic to another Nginx instance upstream on port 80 (that lives ...
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49 views

Squid blocks automatic updates - antivirus and java

I have Squid3 configured as a transparent proxy on a linux server. I am trying to allow automatic updates of windows (currently disabled), java and antivirus programs to pass through. The automatic ...
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9 views

Squid do not log proxy error

How to configure squid to not log errors? I tried: acl respError rep_header X-Squid-Error .+ log_access deny respError But I got this warning: ACL::checklistMatches WARNING: 'respError' ACL is ...
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8 views

Squid log auth method

Is there any way to log the authentication method of a client request to squid proxy? I have 3 methods: - negotate (kerberos) - ntlm - basic But in squid proxy logs (access log) I can not see this ...
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28 views

nginx and apache proxy config

I'll like to configure nginx to act as static webserver only for a specific hostname (images.mydomain.com) and then redirect to apache everything else. Currently, the apache server is the only ...
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12 views

Set up a reverse proxy to another proxy

I'm trying to connect a device to an authenticated proxy server for some domains. The device does not support authentication (user/pass) in its settings. I have no control over the proxy server. So, ...
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30 views

Manual interactive proxy to install packages on server without internet

I need to install some rpm, python and R packages on a server that has no internet connexion: I can only ssh to it. I can download the packages and scp them to the server, then install them manually ...
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36 views

Squid Proxy 3.1: Squid generated FTP directory listing in browser results in corrupted txt files

Environment: We use squid proxy 3.1.12 on SLES 11 (its the latest suse supported squid release). Problem: When a ftp page is loaded via a web browser, e.g. with the URL ...
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19 views

Proxying an HTTPS webservice?

I need to invoke a cloud based SOAP web service. The WSDL is only available through HTTPS. My problem is my server doesn't have access to the internet, it is within the firewall. But I can use a proxy ...
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100 views

Nginx as s3 proxy with private buckets

I'm trying to set up Nginx as a proxy for a static html/js webapp hosted on S3. I read a lots of tutorials and posts and I could make it work if my bucket is set as public. The reason I need Nginx as ...
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22 views

gpg --receive-keys times out but Wireshark confirms the http response is received

I'm using a virtual machine running Ubuntu 14.04, trying to use apt-keys to add keys for nginx. Most of this is automatic via puppet but I'm going through the process manually to find where the fault ...
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30 views

How to get REMOTE_USER via Apache proxy?

I'm using an Apache as forward proxy for Auth to another application,see following conf: <VirtualHost *:8080> ProxyRequests On <Proxy *> Order allow,deny Allow from all ...
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34 views

Setup VPN with dynamic IP adressess

I'm trying to setup the dynamic IP solution on the Win server for some users. The IP addresses must be from US and the users can change the IP add frequently, but they have to got always different US ...
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15 views

With PROXY support enabled in ELB, are occasional non-PROXY connections to the EC2 instance still possible?

We have PROXY protocol support enabled on our ELB but we seem to be occasionally getting non-PROXY TCP connections to the EC2 instance behind the ELB. The instance's Security Group only allows ...
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41 views

Microsoft TMG - Firewall Client software on Win 7 hosts to bypass credential prompt

They're running Microsoft TMG at my current customer's site. I am a developer and use lots of online/cloud tools and make frequent HTTP requests to the internet. I'm continually managing proxy ...
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113 views

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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50 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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18 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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50 views

Am I being picked up by a proxy sending my IP/request URLs to China? Sketchy

I spun up a new machine on Digital Ocean today which is pre-configured with a web environment. I made an initial request to the new site and found the following (IP address redacted) in my nginx ...
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63 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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90 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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45 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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29 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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56 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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38 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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27 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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112 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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158 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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43 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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59 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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53 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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62 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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42 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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227 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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60 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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88 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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70 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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44 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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60 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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42 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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74 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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93 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 ...