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Questions tagged [proxy]

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

3307 questions
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Adding a domain-based user to Squid

How to add a user with the domain name example.com to Squid's default configuration file? By default Squid is configured to only accept requests from localhost. I'd like to add one more domain to the access list. The domain is in the external…
Alex
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How to block trafic from anonymous proxy to my site?

some scammers are trying to reach my site using anonymous proxy. Is there a way to block connexions from anonymous proxy with haproxy or nginx? Thanks
user179445
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Outline squid server - redirect traffic with pf

What's my goal: know what employee are looking in Internet (what pages, how long etc; no caching). What I did: install squid on openBSD Problem: I see whole traffic (tcpdump), but I can't redirect it to squid How I connected it: [ internet…
Ducker
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Local transparent proxy with ipfw and squid

I want to use a local transparent proxy to have a single place to enter the password to an office proxy. Basically, all the TCP packets sent to port 80 except the ones sent to specific subnet should be forwarded to local Squid. Squid works fine in…
synapse
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Can Squid 2.7 proxy gzipped content

We have a forward proxy for our network which is Squid 2.7. This is managed for us by a third party. We noticed recently that http requests going from our network to the web were having the Accept-Encoding header removed. This was resulting in all…
Tom Styles
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Prevent NGINX from rerouting to a backend that was previously down

I'm using NGINX's ip_hash directive to ensure that client requests always end up at the same backend server. In the case of a backend server outage, NGINX will reroute to the available server, and since I can listen for a disconnection event on my…
Justin Meltzer
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proxy to SSL third party site and masquerade url

To improve search engine optimization I need to have my SSL-enabled site https://www.company.com/support proxy to our SSL enabled third party support site https://company.custhelp.com, while at the same time making it so the user only sees the…
580farm
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Squid "refusing connections" with big ACL

I've successfully set up squid and it's working as is should. I'm using "Squidman" on OS X Server (underlying squid version is 3.1.12). However, I want to use squid to block certain porn sites, so I grabbed the Pornography-list from…
Martin
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Redirect all DNS queries to IP

I have a server with Ubuntu 12.04 Operating System on it.I want to make a DNS Server that accept all request including IPs,and redirect them to an specified IP......there users can login and after that can surf the web,with no restriction,ONLY AFTER…
Marinescu Adrian
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Squid Proxy Splash Page based on Subnet

I am trying to use the Splash page feature that squid has, but I am trying to have it used only on certain subnet. I cannot figure out a way to use two ACLs to do this. I have the following in my squid3.conf file external_acl_type sessions ttl=60…
Jim
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VPN laptop as proxy gateway for Intranet computers truss bridge/bypass

I have a Windows 7 Enterprise VPN laptop to access my client's VPN network. During VPN session the laptop can not accept any request from my Intranet even if I open any door using Windows Firewall Inbound Rules. However, during VPN session the…
StelArian
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Setting up a transparent proxy for a database

Currently my setup is as follows :- Database client/library <---------------------> Database I'd like to have the following :- Database client/library <---> Proxy <-------------> Database I'm the admin on a linux machine and im able to write iptable…
user44468
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How to force outgoing requests from webserver/PHP through squid proxy on same machine?

I have a Debian Squeeze VPS configured as an nginx web server. For security reasons I have blocked all outgoing connections except those to the Debian update servers (this stops bad scripts from calling home). PHP runs under a separate user as well.…
Erion
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How to set up squid3 to respond with cache if back end server is down

I have a squid3 proxy set up at the moment as a transparent proxy. i am using the following in my config: http_port 3128 transparent acl localnet src 10.234.255.68/24 acl localhost src 127.0.0.1/255.255.255.255 http_access allow all http_access…
bizzehdee
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URL filtering HTTPS traffic

the configuration that I am dealing with is a transparent HTTP proxy: on the firewall all the HTTP traffic (port 80) is redirected to the proxy via iptables; Dansguardian is installed on the proxy, and filters the URLs. Reading around the web I…
J.B.
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