Questions tagged [proxy]

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

921 questions with no upvoted or accepted answers
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OpenLDAP proxy cache not retrieving entries

I need to set up a local LDAP proxy cache which connects to our central Active Directory server. OpenLDAP Proxy Cache looks just like the thing. But following the manpages as closely as possible, I am ...
6
votes
1answer
4k views

nginx regex characters that require quoting?

So I was configuring nginx today and I hit a weird problem. I was trying to match a location like this: location ~ ^/([0-9]+)/(.*) { # do proxy redirects } ...for URLs like "http://my.domain.com/...
6
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1answer
3k views

Encrypt client connection with squid forward proxy using SSL

I'm setting up a Squid forward proxy and I'm wondering if I could configure Squid in such a way that the connection from my web browser to squid is https regardless of whether the connection from ...
5
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0answers
925 views

Apache HTTPd 2.2 is ignoring LocationMatch regex

I am trying to create a Reverse Proxy that match every URL except one in Apache 2.2. It works on Apache 2.4 (Centos 7), but not in Apache 2.2 (Centos 6.6) ... # Do not modify this <LocationMatch "^...
5
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0answers
2k views

Nginx reverse proxy with dynamic port forwarding

I'm setting up a reverse proxy on Nginx. I need it to listen to multiple ports. I then would like to hit the exact same port on the backend server. Like this: http://frontendserver:9000 -> http://...
5
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0answers
217 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 ...
5
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0answers
932 views

Proxy Server setting stuck on Server 2003 R2 for Windows Updates

Stay a while and listen. This is going to be a long one. We've been having a problem the last couple of months with Updates on very specific Microsoft Server 2003 R2 Machines. This problem has ...
5
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0answers
924 views

NGINX mod _proxy_html available?

Somebody created already a similar http://apache.webthing.com/mod_proxy_html/ mod_proxy_html module for Nginx? I think the closest module would be http://wiki.nginx.org/HttpSubsModule but I have no ...
4
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0answers
1k views

What is WebProxy/1.0 Pre-Alpha?

I have had 504 errors from my domain throughout the day. The back end servers look okay and the CDN provider (Fastly) doesn't think it could be them. Looking a little closer I see the following header ...
4
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0answers
694 views

Dante unable to bind to public ip address

I have a Dante server on a host with multiple public ip addresses but it is unable to bind to the ips of the host. The ips are pingable, I have another service listening on each of them (different ...
4
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0answers
3k views

HTTP to HTTPS local proxy that can do the HTTPS connection over a proxy

Here's the deal: Our client software can only connect using http protocol, it can not do https. However, security requirements dictate end-to-end security, so we need to use https when talking to the ...
4
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0answers
731 views

Openshift SSH permission denied through corporate proxy

am trying to connect local->cntlm->company proxy->rhcloud host. I have the keys uploaded to rhcloud and GitHub. With the current configuration with corkscrew i am able to connect to git via ssh. ...
4
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0answers
229 views

Anubis as GPG proxy

I'm trying to setup GNU Anubis to act as a sort of proxy to sign/encrypt emails coming from a service. The service is currently configured to send email using our SMTP server. The idea would be to ...
4
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0answers
669 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 ...
4
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0answers
1k views

400 bad request from a proxy cache

So we have an nginx proxy cache that is used to maintain uptime even if npm goes down. On occasion this server (noticeably once every few months) starts returning 400 bad request for every response ...
4
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0answers
96 views

How can I throttle the rate of messages with a transparent proxy server?

I am trying to run a client software that connects to a socket server and downloads data. My problem is that the socket server has a max rate of messages per second, and it disconnects a client if ...
4
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0answers
2k views

TFS Check In Issue: The underlying connection was closed: A connection that was expected to be kept alive was closed by the server

I've recently started seeing the below error when attempting to check in code to TFS: The underlying connection was closed: A connection that was expected to be kept alive was closed by the server. ...
4
votes
0answers
2k views

Squid Logs NTLM usernames only for certain requests

Currently I have squid 3.2 setup with NTLM authentication and LDAP Group pulls. I also have MySar running to pull the reports. It seems that the way the logging works is by passing them twice, one to ...
4
votes
0answers
851 views

Ubuntu SOCKS proxy setup with two interfaces - how to pass DNS

I setup a SOCKSv5 server (Dante) on Ubuntu with two ethernet interfaces: eth0 is connected to my WAN with a static routable IP eth1 is connected to my LAN with a private IP I have a client ...
4
votes
2answers
8k views

Nginx dynamic upstream configuration / routing

I was experimenting with dynamic upstream configuration for nginx and cant find any good solution to implement upstream configuration from third-party source like redis or mysql. The idea behind it ...
4
votes
1answer
2k views

Macs behind a proxy, using squid for SSL and HTTP traffic

There appears to be an NTLM bug in OSX in how authentication is handled with our corporate proxy. On several Macs (and iDevices) Safari, iTunes, Software Updates, AppStore etc all crash when they ...
3
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0answers
1k views

Replacing TightVNC with alternate client (CONNECT parameter)

I am in the process of reverse engineering an existing system in an attempt to replace their existing TightVNC applet with something else (hopefully NoVNC if at all possible). So far, here is what I ...
3
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0answers
139 views

Use windows proxy only for one, single address

My company only allows ssl email ports through their proxy address. I don't need for any other address either in email or when web browsing. However, this proxy address does not work when I'm at ...
3
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0answers
242 views

HTTP proxy settings in unattend.xml only take effect after a user has logged on

I am creating a Windows "golden image" that will be rolled out to a network which does not have direct Internet access. Instead, HTTP/HTTPS traffic must be carried over a proxy server. When running ...
3
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0answers
65 views

Reverse proxy with login for redirecting different users to different applications

Im trying to configure the topology you can see in this picture: My question is, having a unique login server acting as a reverse proxy, is it posible to redirect the users to their respective server ...
3
votes
0answers
1k views

Transparent Tor Proxy with pfSense

I'm trying to set up a transparent Tor proxy in Virtualbox using pfSense. In the end I want all traffic to be passed through Tor, whenever I connect a VM to the same internal network as the proxy. I ...
3
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0answers
60 views

Apache Proxy: How to determine which directive was used for the response?

I'm confronted with an apache proxy setup which is already running in production. Sometimes there are requests for optimizations and I'm not very confident at apache configuration, so I keep asking ...
3
votes
1answer
1k views

squid proxy - use ipv6 only for outgoing traffic

I want to set up a squid proxy to use ipv6 only for outgoing traffic. I want the ip4 address to be totally invisible to the service I connecting to. I don't care about fallback and lack of ipv6 ...
3
votes
1answer
140 views

apache deny all proxy request

I have some apache server on ubuntu and fore some times there a lot of requirest in /var/log/apache2/access.log like this: 115.231.218.252 - - [04/Dec/2017:08:35:38 -0500] "CONNECT www.alipay.com:443 ...
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0answers
328 views

How to make apache2 connect through SOCKS5 server that I am runnning?

I have a website ran on apache2 and a SOCKS proxy server that are both hosted on the same computer. The website can be accessed publicly and my SOCKS5 server is on localhost. How do I make the ...
3
votes
1answer
2k views

Internet / proxy problems Internet Explorer (PAC file)

we have some internet/proxy problems in our network since 2 weeks. Users are getting sporadic errors "This page can't be displayed" in Internet Explorer 11 when trying to access websites - but not the ...
3
votes
0answers
2k views

Set outgoing interface on Fortigate explicit proxy

I am testing the explicit proxy on a Fortigate 200D firmware 5.4 WAN1 and WAN2 are both members of the wan load balancer interface. I need to set the proxy to use WAN1 but it it is defaulting to ...
3
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0answers
548 views

HAProxy - Securing inbound TCP connections

I've been trying to implement a load balanced secured proxy passthrough using HAProxy. Basically what I want to do is this: request ----> haproxy passthrough -----> multiple proxy servers -----&...
3
votes
0answers
534 views

IPTables DNAT Exemption

TL;DR - I'm looking for a way to send all my external traffic through a proxy server but not send all my internal traffic through a proxy server. How can I achieve this? My end goal is to forward ...
3
votes
0answers
383 views

Apache mod_proxy to change /location into port

I want to achieve a simple thing - proxy mydomain.com/plex/* into localhost:32400/*. I already have a different proxying rule in place that works fine, but this I cannot get to work. My sites-enabled ...
3
votes
0answers
2k views

Apache 2.4, mod_geoip GeoIPScanProxyHeaders “On” not working

apache httpd.conf LoadModule geoip_module modules/mod_geoip.so <IfModule mod_geoip.c> GeoIPEnable On GeoIPEnableUTF8 On GeoIPOutput Env GeoIPScanProxyHeaders On GeoIPDBFile /...
3
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0answers
688 views

forward proxy with URL rewrite

Apologies if this is a newbie question -- I can't believe its hard, so I must be missing something. I have an application at https://example.com/application/* . It makes use of PNGs sourced from ...
3
votes
0answers
1k views

Nginx proxy with varying source address

I have a working nginx configuration to proxy all requests to a server from a range of source IPs. I currently have 20 source IPs set up, and the configuration is quite massive. I removed the other 18 ...
3
votes
0answers
790 views

How to proxy setup nginx with play and angularjs

I am learning play framework and angularjs with nginx. The play app is running on port 9090 and angularjs app is running on 9000. I am trying to proxy all requests to /app/* to the back-end Play ...
3
votes
1answer
533 views

Why isn't my Apache reverse proxy working to translate anchor HREF attributes when sent back to the client?

I have # For blog LoadModule proxy_html_module libexec/mod_proxy_html.so LoadModule ssl_module libexec/mod_ssl.so LoadModule xml2enc_module libexec/mod_xml2enc.so SSLProxyEngine on ProxyRequests off ...
3
votes
1answer
301 views

Make a basic auth client authenticate on a digest auth proxy server

My company has a legacy application which needs to connect to the Internet. Unfortunately, our network staff has changed the proxy settings in order to accept digest authentication only, which this ...
3
votes
0answers
5k views

Unable to configure CNTLM

I am setting up a proxy server on my linux system using CNTLM. I have edited the cntlm.conf file and made the following changes- # # Cntlm Authentication Proxy Configuration # # NOTE: all values ...
3
votes
1answer
3k 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 ...
3
votes
1answer
370 views

How to redirect FORWARD proxy users to webpage using mod_proxy - apache

I have searched quite a lot for a solution and most answers pertain to either proxypass (reverse proxy) or are not relevant. End users' web browsers are configured to use the Apache proxy server. I ...
3
votes
0answers
315 views

Lighttpd Proxy -> Apache SVN mod_dav_svn - Stuck via command line but works in browser

I have a confusing problem. I have installed a long time ago Apache 2.4 with mod_dav_svn to be able to access my repos via https urls. It all works fine with Apache only. Now i switched to lighttpd ...
3
votes
0answers
1k views

SSL Proxying with mutual authentication

I have a bunch of backend servers each them should make https-requests. I want all my https traffic inspected and controled by few number of machines (many times fewer than server farm) - that's why I ...
3
votes
0answers
999 views

Performance issues with Apache + Django + socket.io (long-polling) + Proxy

I'm trying to set up a website with django, apache and socket.io. Thanks to some tutorials and other stackoverflow questions, I managed to make everything work, except for a severe lag, that occurs ...
3
votes
0answers
4k 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 ...
3
votes
1answer
858 views

Linux forward proxy for client authentication

I need to use a simple HTTP forward proxy proxy for Linux to do mutual SSL authentication. The proxy needs to attach a client certificate to HTTP request and then upgrade HTTP to HTTPS. I have tried ...
3
votes
0answers
598 views

nginx redirects requests from apache proxy to real server address

Description: [server 1] <-|-> [server 2] [Apache] <-|-> [nginx <--> gunicorn <--> django] Apache is running on a server 1 which silently redirects just one subdomain to ...

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