The word "proxy" is mostly used as short for "proxy server", which is a server that acts as an intermediary between a workstation user and the Internet so that the enterprise can ensure security, administrative control, and caching service.

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detecting proxy [duplicate]

say u host a website and people come and place orders with you while your away, u come back and see the orders have been placed by somebody, how will you find out if the person who placed the order ...
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53 views

Protect SSL connections from MITM for users with modified clients

I'm working on a web app that uses SSL. I'm afraid that some people might access the app via a network that uses a proxy to intersect and inspect the SSL traffic [MITM]. Some people might access the ...
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79 views

What is the simplest way for a Proxy/UTM to block HTTPS traffic using URL filtering?

I'm building a UTM using ubuntu, How can I block HTTPS traffic using URL filtering? (For example I want to block https://facebook.com) I'm using Squid as a transparent proxy server. Solutions I don't ...
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2answers
75 views

Is a reverse proxy worth it?

Is a reverse proxy worth it? There are so many unsecured sites using a reverse proxy and I feel like that doesn't protect them. After all if they have an error in their SQL that could be use for ...
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1answer
49 views

Does a TLS-connection to a proxy-server encrypt the destination url's?

If I use a browser through a proxy-server over a secure connection (i.e. the proxy is HTTPS) - does that mean that everything is encrypted, or just the page returned from the site? And who does the ...
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92 views

SSL Decryption why is the root CA certificate required on clients?

Maybe a quick question. We have Palo Alto's that perform SSL Decryption using a sub CA certificate issued by our internal Root CA. This is working for our internal windows domain computers as the root ...
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2answers
179 views

How does my browser detect my location, even via proxy?

How does my browser detect my location even via proxy? I have tried this code via VPN and got the same result as without it. According to the specification my browser should detect it from: ...
2
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1answer
95 views

Safety of exposing an internal web application to the internet using a reverse proxy in the DMZ

I am creating a web application which needs to make direct connections to internal resources (e.g. database servers), but will also need to be accessed from the internet. The web app exposes web ...
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1answer
48 views

configuring burp to use in proxy environment

my university internet connection runs behind proxy.its host name is 192.168.1.103 and port no is 3128.how to configure proxy in burp suite if i should enter above proxy setting in my firefox browser. ...
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66 views

Logging all traffic crossing SSH proxy

Is there a way to log SSH sessions proxied through a machine (User-> SSH Proxy -> Server (with SSH)) without modifying the SSH daemon on the proxy? I need to log all the commands as well as responses ...
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38 views

Can Web Proxy Autodiscovery leak HTTPS URLs?

The WPAD protocol can in some circumstances allow an attacker to get clients to use a malicious PAC script. It appears to be well documented, that this can be used to perform MITM-attacks on HTTP ...
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110 views

Solution to remain anonymous on a website that dismiss tor users?

I want to access to a website who recognize tor users and dismiss them. I have read that if you connect to a proxy after your tor exit node, the website wouldn't know that you are a tor user and ...
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36 views

In What Ways Can X-Foward-For Header Information Be Used In An Attack

By enabling X-Foward-For on our proxy, we would essentially be advertising our internal IP addresses externally. However, we use a private range. Everything goes through NAT. So, the best anyone would ...
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1answer
60 views

How to fully mask my computer without using tor? [closed]

I want to mask myself and therefore I configured a proxy server. I use debian and squid 2.7. It actually works fine, however, I visited the site whatismyip.com and I can still see that I'm accessing ...
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1answer
166 views

Has anyone used this ICLOAK USB device? [closed]

Does anyone know about this ICLOAK USB device? Opinions or how well they work? I'm looking for a security solution when I'm using PCs where I work. Occasionally we have to log into to web sites, ...
2
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1answer
62 views

ettercap use as local proxy [closed]

Hi everibody and sorry for my english, I'm looking for a way to use ettercap (or another program) to alter TCP traffic (coming from local) on the fly. I used "netsed" with iptables, but netsed is too ...
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1answer
52 views

SSL Test Server with typicals Flaws [closed]

i am testing different SSL-Proxys and want to know more about their failure-handling. Do you know about an public (test)server (HTTPS) which provides the typical flaws like: Expired certificate ...
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1answer
72 views

Official proof (document) that Linux is safer and faster than Windows [closed]

I work for the Mexican government, and even though everyone involved in Linux knows that it is safer and runs faster in most instances, I have not found an official document or authority that I can ...
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52 views

Decrypting SSL within Multiple Products

I've read the various questions tagged [ssl] and [mitm] and [proxy] and I couldn't find a duplicate. I cannot find any documentation on this subject online. All of the traffic is currently flowing ...
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46 views

Splitting data between wifi networks for security

Does there exist, software or technology, that can use more than one wifi network, in such a way that only part of the data travels through each 'side'? You would probably need an end address like a ...
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1answer
108 views

How does a reverse proxy change the security posture of a web server residing in the DMZ? [closed]

How does the reverse proxy change internal and external security posture with a reverse proxy compared to not having a reverse proxy? For example, you have a publicly accessible iis server, what is ...
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2answers
86 views

proxy servers and restricted work computers

I have a work-issued computer that I have limited access to the Internet due to the security protocols in place on the device. I want to use this machine at home, for work. I want to be able to hide ...
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0answers
130 views

VPN Server + Anonymity + Adblock for mobile Devices

In order to improve private security and anonymity while browsing the web on my mobile devices I wanted to tunnel all traffic to my own server via VPN and use a proxy software to filter unwanted ...
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1answer
243 views

End-to-end encryption with a reverse proxy and an application server

Lets say that I have an nginx reverse proxy that proxies the traffic to a Tomcat on the same server. I think the most common way to configure this setup is to enable SSL on nginx and then proxy the ...
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2answers
111 views

Using free subdomains to circumvent web filtering systems

(I was told that this was the place to ask this by someone from Webmasters, if I've got it wrong again please give me a chance!) I'm running a personal proxy service for the use of myself and some of ...
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112 views

Sniffing external networks from a public network (place)

There is something that I can not understand. If you are preparing, building up an attack from a public place (coffee shop, restaurant ect.). How can you be tracked by law enforcement? I'm asking ...
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112 views

Rogue WPAD server attack

Today I encountered something I have certainly not seen before first hand. Our IDS blocked some outbound traffic attempts from 5 servers with no WAN access. This traffic was leading to an inactive ...
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What security risks are posed by software vendors deploying SSL Intercepting proxies on user desktops (e.g. Superfish)

There has been quite a bit of concern noted relating to the recent discovery that Lenovo are pre-installing a piece of Adware (Superfish) which has the capability of intercepting SSL traffic from ...
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50 views

Proxpy- certificate issue

I am using proxpy, a proxy server written in Python. It comes with its certificates and after installing one of the certificates in Firefox, I got 'Connection is untrusted'. Any help in this regard ...
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2answers
203 views

How to force clients to browse Internet through Squid Proxy

I am using Windows Server 2012 in which I have shared internet through NAT to a secondary LAN card using routing and remote service. The problem is that when my clients are browsing through proxy ...
2
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1answer
557 views

Intercepting HTTPS Android app traffic

I'm trying to intercept Android application traffic from my Android phone....Basically what worked before was that i had simply installed fiddler proxy on my PC, exported the root certificate (and ...
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3answers
70 views

Secure tunnel set up in an office environment

Suppose I am a rogue employee and I want to syphon some sensitive data out of the office and I only have office internet access for this. My office internet access needs to go through a proxy server, ...
2
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0answers
102 views

Securing elasticsearch behind a reverse proxy

I intend to run an Elasticsearch index to store a persistent copy of data retrieved from an external service. My plan is to host the Elasticsearch index on AWS, and have it listen on 127.0.0.1 only. I ...
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3answers
726 views

How to intercept and analyze mobile SSL application traffic?

What is the best way to analyze requests sent by a mobile application over SSL? The communication protocol is not necessarily HTTP/S so intercepting them with BURP/ZAP/Fiddler or any other HTTP proxy ...
2
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2answers
95 views

Security of HTTP proxies

If POST requests are being made to a website via a browser using an HTTP proxy from sslproxies.org, is it possible to trace the origin of those AJAX requests without having access to the proxy being ...
2
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1answer
202 views

How can I intercept XMPP traffic on Android?

I have been learning about security testing on Android apps, and to intercept traffic I was using Burp Suite. I know it works perfectly for HTTP/HTTPS traffic, but most of the messenger apps are using ...
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0answers
82 views

HTTP GET Request to a webpage that does not exist [closed]

I am seeing a machine is making a HTTP GET request to webpage (ex: www.sample.com/1.png), proxy devices respond with status code 407 (proxy auth required). But when I checked for the site via ...
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1answer
145 views

Proxies, and how they can be traced

When you make an connection with a proxy and you do something shifty to a server, the people working the server could just call up all ISP's and then your ISP sees the last connection you made was to ...
2
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1answer
195 views

Can a corporate proxy downgrade an SSL handshake?

At work, I'm behind an NTLM Proxy. When the SSL Poodle flaw came out, I hardened the configuration of my private server, and found out that even if the client and server shared common ciphers, some ...
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1answer
615 views

Interpreting anti-hacker-alliance analysis [closed]

One of security tools available for web browsing is (http://anti-hacker-alliance.com) Please find below two readings: a) Reading for IP 205.x.x.x that state among other-things "you are using proxy ...
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1answer
266 views

How can I convert a Windows certificate into a PEM format, that includes the chain + root?

I need to import a certificate into a Cisco Ironport for Web SSL inspection. The only input format supported is PEM. Based on my research the PEM format does support all certificates in the chain, ...
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2answers
79 views

Would a VPN with changing configs do the same job as different VMs

I was reading this question. So my question: Would using a VPN and swapping out configuration files that change your IP address mask the same as using different VMs?
2
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1answer
122 views

Standard for Determining the Anonymity Level of a Proxy

Is there a standard for determining the anonymity level of a proxy? After reading various articles, I have come to the conclusion that you determine the anonymity level by analyzing the headers but I ...
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1answer
184 views

Iphone app not allowing proxy

Hi everyone I am interested in how a banking app works, especially the way it handles https requests. So I installed one, set my proxy settings, started burp suite and expected it to work. As you may ...
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1answer
133 views

MITM faking certificates

I am looking at the theory behind MITM attacks in order to see some unencrypted packets from the 3DS. From research here is what I understand so far: 3DS > Proxy > Nintendo server I am going to try ...
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1answer
78 views

VPN Tunnel Routing Question

I'm a little confused about how VPNs work ... I read that they provide an end-to-end encrypted tunnel between you and whoever you're trying to connect to but is that actually the case? VPNs let you ...
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2answers
96 views

MITM on program with no proxy settings

I'm trying to inspect the traffic of a program (which is running on my computer) that uses SSL over TCP to a non-standard port. The traffic may or may not be HTTP traffic, likely isn't. Neither ...
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1answer
258 views

iptables intercept received packet with proxy and then forward to destination

Lets say I receive internet through my eth1 port and share it via hotspot to other devices (wlan0 port) [internet]----(eth1)[my computer](wlan0 hotspot) | ...
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1answer
2k views

Can wifi network administrators see through proxy servers?

I've looked at a lot of VPNs, and "what's my ip address" sites confirm that outsiders can't tell where I really am when I'm using them, but I haven't been able to get my own WiFi yet, so I don't know ...
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2answers
1k views

Intercepting SSL traffic on Android app

I am trying to intercept SSL traffic from my Android app to test the security. I am using certificate pinning in the hopes I can prevent people from snooping. I have tested by configuring ProxyDroid ...