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

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3
votes
3answers
3k views

Apache VirtualHost Proxy with a Subdirectory

Currently, we have an IIS server as our primary web server. We are implementing an Apache server in its place, but still need to have the IIS server accessible. Typically, this is a simple thing, ...
0
votes
2answers
1k views

squid specify outgoing network interface

I have a Linux Debian machine with many network interfaces (venet0:1 to venet0:5) running Squid. If I connect to interface venet0:2 squid uses venet0:0 for outgoing traffic but I want Squid to use the ...
0
votes
1answer
30 views

Active Directory multi-site “trust proxy”

We have a multi-site domain with several sites in a hub and spoke-design. From the hub site, we have established a one-way trust to another domain though a VPN tunnel. Now, when someone from the ...
1
vote
0answers
324 views

Squid 3.5.4: ssl bump: error - Error negotiating SSL connection on FD 10: Success (0)

I am trying to install squid 3.5.4 (on docker, running debian 8) and run it in ssl-bump mode. Compilation: ./configure --prefix=/opt/squid --srcdir=. --disable-maintainer-mode \ ...
2
votes
0answers
29 views

Apache reverse proxy configuration for multiple domains

I am newbie. I have 1 LAMP CentOS server, which hosts 3 websites with the following Apache httpd.conf configuration: NameVirtualHost *:80 NameVirtualHost *:443 <VirtualHost *:80> ...
1
vote
2answers
38 views

How does squid understand the destination IP address in transparent mode

In transparent mode, following iptable rules are used to redirect traffic to squid. iptables -I PREROUTING -t nat -p tcp --dport 80 -j REDIRECT --to-ports 3128 As per my knowledge REDIRECT changes ...
0
votes
1answer
632 views

Redirect local traffic to proxy port with iptables

I have a Ubuntu 12.04 host that has a squid proxy on it running on port 8080. I want to proxy all the web traffic from the host through squid using iptables. Is the correct method: iptables -t nat -I ...
3
votes
1answer
1k views

Apache configuration to make NTLM authentication work through a Proxy

I'm running an application server behind an Apache proxy with the following sort of thing in my Apache config: ProxyPass /app http://myapplication:8080/myapp ProxyPassReverse /app ...
0
votes
1answer
66 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 ...
1
vote
2answers
4k views

How To Enable URL Filtering With Just Squid & C-ICAP

Before I posted this question, I read several set up guides online, the squid docs, c-icap docus, and also the ICAP RFC (3507). Unfortunately, the documentation for SQUID and C-ICAP does not provide ...
10
votes
5answers
4k views

How to duplicate TCP traffic to one or multiple remote servers for benchmarking purposes?

Infrastructure: Servers in Datacenter, OS - Debian Squeeze, Webserver - Apache 2.2.16 Situation: The live server is in use by our cusotmers every day, which makes it impossible to test ...
3
votes
1answer
1k views

Squid SSL transparent proxy - SSL_connect:error in SSLv2/v3 read server hello A

I am trying to setup a SSL proxy for one of my internal servers to visit https://www.googleapis.com using Squid, to make my Rails application on that server to reach googleapis.com via the proxy. I ...
1
vote
3answers
291 views

What is the best way to get PRECISE domain name from ip address logged in iptables log

In iptables I am logging certain public IP addresses... say of websites visited from different workstations, depending on destination port number... All this is not really relevant to the question but ...
0
votes
0answers
36 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 ...
2
votes
1answer
42 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 ...
0
votes
0answers
40 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 ...
2
votes
2answers
42 views

Setting up load balancing on 3 apache servers

I want to set up load balancing on my 3 Apache servers that I have created. The 3 addressed that I have used for the server are, 192.168.151.101, .102 and .103 I have then created a load balance ...
-2
votes
1answer
49 views

docker cockpit error after redirecting with nginx

Distro: Arch Linux, service app: systemctl, (cockpit is a web based system administration and docker container manager). I recently installed cockpit on a VPS and is working great on IP:9090, later i ...
0
votes
2answers
57 views

Can Squid be configured to use the incoming IP address as the outgoing Address if multiple IPs are used on the server?

At the moment I have to define rules for all local ips like this: acl ip1 localip 1.1.1.1/32 tcp_outgoing_address 1.1.1.1 ip1 acl ip2 localip 2.2.2.2/32 tcp_outgoing_address 2.2.2.2 ip2 acl ip3 ...
2
votes
2answers
55 views

Is it possible to replace content on every page passed through a proxy similar to how mod_rewrite is used for URLs?

Is it possible to replace content on every page passed through a proxy similar to how mod_rewrite is used for URLs? I have some pages I am reverse proxying that have absolute paths. This breaks the ...
3
votes
3answers
176 views

File Caching Proxy Server For Config Management Software (Chef)

I have several servers that I manage with Chef. They all belong to one network and bandwidth among them is big in contrast to bandwidth to outer internet. The problem is: many times there is a need ...
0
votes
3answers
114 views

Prevent users from downloading certain files

I am working for an organization which helps people with mental disabilities. All of them have a user account in our AD. The client computers are running a mix of Windows 7 and 8.1, and the server is ...
2
votes
2answers
3k views

PHP+Apache as forward/reverse proxy: how to process client requests and server responses in PHP?

I'm having a lot of troubles with the proper configuration of Apache mod_proxy.so to work as desired... The main idea, is to create a proxy on a local machine in a network which will have the ability ...
0
votes
1answer
1k views

Nginx proxy cache (proxy_pass $request_uri;)

I need to create proxy web using nginx. If I access http://myweb.com/http://www.target.com/ the proxy_pass should be http://www.target.com/ Here is my configuration: location / { proxy_pass ...
0
votes
1answer
53 views

Centos 7 Apache 2.4 php_fpm 30 second timeout

I need to set execution timeout for Centos 7 Apache 2.4 php_fpm, but there seems to be a hard coded timeout somewhere in the Apache proxy. I see max_execution_time correctly set (to 300) in ...
2
votes
1answer
1k views

ISA Proxy - HTTPS Traffic

We have an ISA 2006 setup for our organisations proxy. It's been working well for the last few months just blocking everything except a few allowed web site and web applications. We need to allow ...
2
votes
2answers
665 views

How to make an existing caching Nginx proxy use another proxy to bypass a firewall?

My question is about using Nginx as a proxy behind another proxy. (Somewhat confusing.) I want to set up Nginx so it acts as a caching proxy server to an npm mirror. Here is the link: ...
1
vote
0answers
26 views

Redirect apache forward proxy users to local apache site

I want all users connected to my apache proxy to be redirected to one apache page hosted on the same server. I'm comfortable proxy rewrites, 301s, proxypass etc but not sure how to redirect all ...
2
votes
3answers
202 views

Nginx proxy to many container running on different CoreOS nodes

Surfing the net, I've found many tutorials about proxying to different Docker containers running on the same host, using Nginx/Confd (or Haproxy, or Vulcand). However, what I need to do it's ...
0
votes
2answers
17 views

Why squidguard tell me default acl is missing but it isn't?

I have a problem with squidguard when i want to create .db files. When i do : squidGuard -c "/etc/squid3/squidGuard.conf" -C all -d It tell me : squidGuard: FATAL; default acl not defined in file ...
0
votes
0answers
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 ...
1
vote
0answers
40 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 ...
2
votes
4answers
2k views

Where to find and how to block blacklisted IPs and proxies?

Good day everyone! I'm looking for a way to block incoming requests from blacklisted IPs and proxies (mostly anonymous) to my server. While it's quite obvious how to do it using Apache config the ...
0
votes
0answers
44 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 ...
0
votes
3answers
69 views

The benefits of a proxy server before Asterisk

We are busy to develop an app to let users call eachother using webRTC. On this moment we have audio working, but video not. Now I hear that a proxy server can be the solution for this problem. But it ...
12
votes
7answers
21k views

How can I disable encryption on openssh?

I'm having performance problems using openshh(server) and putty(client) combination to use a remote webproxy. I'd like to disable encryption and test the results to see if it makes a difference. How ...
0
votes
0answers
27 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 ...
1
vote
0answers
25 views

Is it reasonable to use an external website as a health check

I have a 4 proxy servers spread across a couple of datacentres that serve a large number of users on a WAN. These are load balanced using an F5 GTM located at each site. My goal is to write a health ...
1
vote
2answers
946 views

Apache ProxyRequest

I have an Apache server running on port 8888 in my dev environment. I would like to have my WebSocket server use the same port. (The reason is in the live environment it's not 8888 and we want every ...
5
votes
2answers
3k views

How to get Squid to not cache files with certain extensions?

I've found information on how to keep squid from caching domains/IP addresses, however, that's not quite what I want. I'd like to prevent it from caching .jnlp and .jar files. The core problem being ...
0
votes
0answers
57 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 ...
0
votes
0answers
17 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 ...
0
votes
0answers
48 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 ...
1
vote
2answers
803 views

Google searching requires captcha when using proxy server

We currently have a Squid Proxy server setup on our network, a high school. We are sending all traffic from student devices (iPads) through the proxy, both internally and externally. Traffic gets sent ...
2
votes
1answer
1k views

Is mysql-proxy ready for production use?

I've been doing a bit of research, and I would love to use mysql-proxy in production, because It supports sockets It supports read-write splitting My other option is to use HAProxy and change all ...
1
vote
1answer
48 views

Trouble setting up a transparent proxy

I have been trying without success to setup a transparent proxy on a router like computer. Most examples that I have found don't have the gateway and proxy on the same computer, so I may be looking at ...
0
votes
0answers
19 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 ...
0
votes
0answers
19 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. ...
7
votes
11answers
45k views

Internet Explorer isn't auto-discovering http://wpad/wpad.dat auto-config

I am being driven to frustration by this problem. I have set up a file called wpad.dat (essentially, a proxy.pac file renamed) and put it on an internal web site. I've set up DNS entries so host name ...
0
votes
2answers
247 views

Installing Docker with Vagrant fails because of ssh command behind proxy

I'm playing around with a Vagrant file on a machine which is behind a proxy. At the moment I stick in an issue where I'm assuming that has to do with the proxy server between. The following SSH ...