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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How do proxy servers protect their SSL certificates?

Suppose that there is a http proxy server outside the firewall of an organization hosting a web server. All client connections to the web server happen through this proxy. The client negotiates SSL ...
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2answers
108 views

How to get net anonymity while browsing?

I am a college student and am getting free wifi for using the 'Hostel campus" facility ', to access net, I have to put a proxy IP address to my browser. I have heard that they can see what all ...
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1answer
393 views

HTTP Reverse Proxy: Correct way to do SSL to backend

If I have a HTTP reverse proxy that communicates with it's backends in an untrusted datacenter, or across datacenters, I would want to use HTTPS in the backend, as talked about here: Reverse Proxy ...
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1answer
54 views

Man-in-the-middle attack with public wifi

I'm using Charles to sniff out the traffic on my iPhone at Starbucks and for some reason it won't work with at&t wifi. Google Starbucks wifi does, however. I use my iPhone to connect to the same ...
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6answers
2k views

Is it possible to locate Tor/proxy users? Spam is getting on my nerves

I'm managing a huge forum (over 15k posts and 500 users) and lately some guy uses a VPN (probably) to spam my forums with topics such as: "GAYGAYGAYGAYGAYGAYGAY" "FRIGHT IS GAY HAHAHAHHAA" "ADMINS ...
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0answers
14 views

How to configure Proxychains in backtrack? [migrated]

I am trying to configure proxychains.conf file but when i run any application from proxychains like firefox, it can't open the webpage and also terminal is showing "need more proxies !" ?? I have ...
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1answer
63 views

How to post comments on websites without being traced back

Just trying to get some general sense about the security on internet now-a-days. There are so many websites I go and comment on different things. If some comments are political and they don't like, I ...
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1answer
51 views

OWASP Zap proxy Fuzz XSS pentest against REST API

I am looking to PEN test my application against XSS attacks. The application is a REST API... As such when you POST some JSON to /cart/add to see the result of that attack you would need to GET ...
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1answer
128 views

Does an HTTPS proxy encrypt traffic between proxy client and server for HTTP requests?

To bypass censorship in a DIY fashion, I plan to set up private proxies for my personal use. One of the possible methods I would try is to use an HTTPS proxy (not a web proxy, to be explicit) hosted ...
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3answers
295 views

OWASP ZAP Proxy HTTP issue?

I am using ZAP 2.2.2 and I have generated a dynamic SSL certificate and added it to my Firefox browser. I then started a proxy on localhost with port 8090 and configured Firefox to use it. When I ...
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22 views

Enable transparent proxy [migrated]

this is my first post here, so sorry if i made some mistake. I work in a company who has an http/https auth proxy, and they allow us to use our devices, as long as we setup the proxy. The problem is ...
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1answer
158 views

What Steps Does An Anonymous Artist Need To Take to Retain Anonymity? [closed]

I read these questions which had great information: How can I keep my identity anonymous as a website owner/administrator? and How much can I trust Tor?, however I wonder if this is too extreme for my ...
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4answers
178 views

If you connect through a website via a proxy, and the proxy doesn't save information, can you still be linked back?

Say I connect to a specific proxy that I know will not keep information/data about who connected to it, and I go to a website and do something deliberately illegal. If the "middle-server" doesn't have ...
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0answers
23 views

Port forwarding does not work for http sites [migrated]

I am connecting to office network through VPN. I have two servers A and B. I have ssh tomcat access to A through VPN but not to B. When I ssh into A, from there I can ssh into B. Also, B is running ...
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0answers
48 views

How to config Squid SSL bump to let Paloalto PA series firewall recognize App-ID

A Paloalto firewall(PA-2050,POS 4.1x) was capable of recognizing the websites which users are visiting(thru http/https) then flag them with a App-ID and apply application control on the traffic, for ...
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1answer
41 views

MITM attack in a star network with proxy server

My community centre has a public computer center. I am pretty sure that it's connected in a star topology with some switch in the center. It also have a proxy server which we need to enter a username ...
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1answer
70 views

SSL decryption without installing a certificate on each client

Given a proxy performing MITM SSL decryption and inspection, is it possible to install a wildcard certificate (*.domain.com) on the proxy signed by a root CA (such as VeriSign or GoDaddy) such that ...
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0answers
78 views

exploiting HTTP HOST header based redirection in apache reverse proxy for intranet resource

I'm looking for suggestion on a POC which I'm doing. I'm trying to solve a use case where in a user accesses the intranet websites from some corporate mobile app when he is not on corporate network ...
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0answers
40 views

How do I detect a Socket Secure (SOCKS) proxy?

I've been trying to detect a Socket Secure (SOCKS) proxy server using PC fingerprint, but everything looks the same, regardless of the proxy's presence. Are there ways to block the sock access?
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3answers
1k views

How to block the websites on client machines

In our office we are blocking sites like Facebook, Twitter etc.The problem is that some of the users bypass our proxy and firewalls through external proxy sites like www.youhide.com or ...
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1answer
39 views

Protecting encryption of outdated software with a server

I have a 1st generation iPad, and I usually use it for web browsing when I'm home. The 1st gen iPad can't run newer versions of iOS (I'm stuck with iOS 5). I went to a website that tells if your SSL ...
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2answers
48 views

Security risk of Microsoft AD Certificate Services?

We have an internal CA server for our domain located at http://cert_srvr.local.domain/certsrv/certrqxt.asp. This server runs Microsoft Active Directory Certificate Services. When I went to the ...
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1answer
103 views

Strange bug in ModSecurity with the rule 950901

I have a classic ModSecurity configuration (apt-get...) SecRuleEngine Off SecPcreMatchLimit 1000 SecPcreMatchLimitRecursion 1000 SecAction "phase:1,t:none,nolog,pass, \ ...
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9answers
15k views

Can my company see what HTTPS sites I went to?

At work my company uses internet monitoring software (websense). I know if I visit a https ssl-encrypted site (such as https://secure.logmein.com) they can't see what I'm doing on the site since all ...
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1answer
91 views

What can entreprise admins do with our secured sessions?

The enterprise where I work has a proxy server that traces and filters our web activities. Employees claim that they can know the links that we visited and see the content of HTTP web sites, but they ...
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2answers
561 views

How does dnsleaktest.com find my DNS provider

Can't see how they find this over the web. I'm on Windows, its in my network config. It changes when I use a VPN provider, but not when I use a local socks proxy connected to a remote server over ...
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1answer
68 views

Why are certain languages chosen for security application development over others?

Specifically, why are the most popular attack proxies written in java? Is there any particular security posture to the design of the java language that makes writing tools like these simpler? Easier ...
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1answer
90 views

Reverse Proxy SSL

I am having trouble finding out if a potential server configuration is secure. I have a server running a nginx reverse proxy that is accessible from a public ip address on the ports 80 and 443. I then ...
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3answers
1k views

SSL VPN Detection and possible to block

Is it possible to determine the difference between a VPN on port 443 compared to standard SSL traffic? In order to access SSL websites you need port 443 open but if you setup a VPN Service on port ...
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1answer
115 views

HTTPS encryption and internet proxy [closed]

I'm not sure if this is the right place to ask this question. Please tell me, and I'll delete it. I want to modify a Word document hosted on my OneDrive account. I see that it is using a SSL ...
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0answers
55 views

How should I configure my Tor-dedicated firewall for optimum security?

I'm setting up a Tor-based isolating proxy using the 'Anonymizing Middlebox' iptables rules specified here: https://trac.torproject.org/projects/tor/wiki/doc/TransparentProxy i.e. iptables -t nat ...
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0answers
46 views

Reverse proxy which only proxies published query strings?

I'm setting up a reverse proxy to limit access to a protected resource. The protected resource provides a status page (http://protected.local/info). That page contains a number of links with query ...
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1answer
117 views

How to prove iOS app is vulnerable to MiTM

I'm updating an iOS app and I want to prove that it is vulnerable to MiTM attack. I have set up Charles Proxy on my mac and configured the Simulator so that it trusts Charles CA Certificate, per ...
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2answers
521 views

Securing remotely accessible IP cameras that do not support HTTPS

I have some IP cameras set up on my home network, which is WPA2 protected. These cameras are setup to be accessible from the Internet thru my router's DDNS address, and port number. So for example, ...
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1answer
274 views

Using Proxy Server, can gateway know which URL i am trying to open

I am using a Proxy for example UltraSurf, if I try to open a URL in my web browser, obviously web browser is going to send this information to my Proxy, then Proxy is going to communicate my Gateway. ...
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1answer
224 views

Which is more secure - a VPN, a proxy-server, Tor, etc.? And why so, exactly? [closed]

I want to know how to ensure the most complete anonymity when browsing the internet and connecting to remote servers: I want to be as anonymous and secret as possible. I don't know exactly how VPNs ...
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3answers
4k views

Proxy vs. Firewall

I understand that very simply put a proxy is a sort of 'man in the middle' allowing/denying access to certain services/resources. Strictly in terms of security (I mean here privacy, parental control ...
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0answers
64 views

Reverse proxy and corporate PKI

Here at OU=PKI we've been requested to issue a certificate with CA capabilities to install it in our reverse proxy, so that it could issue trustable certificates for every single web. (SSL ending) ...
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2answers
899 views

How can I implement authentication in my proxy server?

I have a proxy server, it will have a captive portal page. Users will be required to sign in before gaining access to the internet. So far I am aware of IP and/or MAC address based authentication. ...
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1answer
60 views

Determine if Tor works

I have installed Tor on my Mint computer, but how do I determine if Tor is working? When I visit http://whatismyip.com, my old IP is shown. Should it not be a different IP when I'm using Tor? Here is ...
1
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1answer
72 views

Using Fiddler to capture few important Details

I want to implement the following requirement. In an online Bank Transaction, a User wants to send an amount of $1000 to an Account A. I want to see that the request is going unmodified to Banking ...
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3answers
510 views

Go through proxy server to Find an original IP Address [closed]

I work for a small company who has troubles with third parties selling our products on Amazon. Sometimes those third parties have websites and when I use an IP address finder online it gives me ...
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2answers
123 views

Are SSL encrypted communications through a company network safe?

If I'm using Skype, Facebook, or another type of communication at my work, can the network administrator see my Skype and Facebook conversations, although its encrypted with SSL? I found this text: ...
8
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2answers
745 views

HTTPS login vs MITM attack

http://www.troyhunt.com/2013/05/your-login-form-posts-to-https-but-you.html My question is, if the threat is that someone controls your internet connection and can serve up bad login pages, couldn't ...
1
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2answers
125 views

How Web-proxy and Virtual-Hosting are complications for HTTPS?

While studying HTTPS and related transport layer security protocols(SSL/TLS), I came to know that HTTPS suffers from two complications - Web-Proxy and Virtual-Hosting. I can understand how ...
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1answer
244 views

bypass proxy using another ip address

I have a scenario in which i have two computers with static ip address that run under common proxy..and lets say computer A is blocked from accessing certain site lets say,www.facebook.com and another ...
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3answers
159 views

Can ISP detect a proxy connection's contents?

No idea if this is right place to ask. In my country, by law, all ISPs are required to block certain websites. People can not access such sites. But, through proxy websites every one can access ...
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1answer
85 views

How to get orignal ip of user even if he is using proxy [duplicate]

Question is clear from title, is there a way to track user even if he is using a proxy. The point is, am i secure enough to surf internet with proxy to hide myself?
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2answers
378 views

Tor - chain of connected nodes?

For a long time now I have been wondering how to find out where you actually connect to with Tor. The only thing you can do in Vidalia is show a Network Map of all available Nodes worldwide, which is ...
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2answers
72 views

Using a Proxy to Log Http/s requests and Performance Evaluation

I have to read http/https messages sent from a client system and see that the messages are not being modified within system by any malware and the server receives what exactly the user wants to send. ...