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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6
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2answers
3k views

Is there anything like a known proxy server IP list/database?

I'm looking for something like a known proxy servers IP list (text, comma seperated or database based). Do you happen to know if anything like that exists? Free would be nice. I doubt it because these ...
8
votes
3answers
5k 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 ...
1
vote
3answers
422 views

Install my own proxy

My school network has blocked a lot of webpages, including TeamViewer, which I need. The IT department told me to find a proxy, because it was their ISP who had blocked the sites. To connect to the ...
2
votes
1answer
104 views

WebProxy configuration … Which threat could apply?

I need some help to identify possible (and rational) threats that could apply to that part of IT infrastructure (WebProxy). I have a webproxy for my users, which behave like a classic webproxy and ...
3
votes
3answers
11k views

How to force ALL programs to use my Proxy?

I have a local proxy on my PC. (localhost:8888) But unfortunately there are many programs which are not able to go through this proxy. So how can I force all my programs to go through my local proxy ...
8
votes
3answers
1k views

How do I log all my internet-connections

How can I (maybe with a proxy, but I need names of programs!?) log all my interactions of programs with my Internet connection, so that I could see WHAT a program is sending and WHAT it is receiving. ...
6
votes
1answer
3k views

How is tunnelling SSH through Poxytunnel/HTTPS different from doing it through SSL with Stunnel?

In an answer to What is the difference between SSL, TLS, and HTTPS, it's said that HTTPS is HTTP over SSL/TLS. That is, an SSL/TLS connection is established first, and then normal HTTP data is ...
1
vote
3answers
684 views

Benefits to using EV certificates with a privately hosted Certificate Authority

For companies that have implemented their own internal CA, is there any benefit to configuring that CA to issue an EV certificate? Do any SSL Proxies (like Bluecoat) mimic the EV certificate of the ...
2
votes
3answers
855 views

Reverse Proxy Secure Configuration

I have a Forefront TMG 2010 acting as a reverse proxy: I can force HTTP*S* between internet clients and TMG. I can force HTTP*S* between TMG and my web servers. From a security point of view, it ...
5
votes
4answers
1k views

MiTM - Non-HTTP TLS

I'm doing some research into the privacy of various iOS applications. My main source of data is via wireshark or Burp (HTTP/S proxy). This has been rather sucessfull for MiTM for decrypting HTTPS ...
3
votes
3answers
145 views

Warn about specific CA in Firefox

Consider a setup where all HTTP/HTTPS traffic goes through a proxy. The certificate of this proxy must be trusted by all browsers (in this case, Firefox). This certificate replaces the original ...
9
votes
2answers
2k views

Bypassing a reverse proxy/NAT

Reverse proxies and NAT would seem to obscure a network behind such technologies to the point where it would be hard if not impossible to identify ports open and services running. Given that many ...
3
votes
2answers
359 views

loadbalancer, 2 webserver, 1 webserver hacked , how to tunnel out?

Lets say I have one load balancer (HAProxy) and two web servers one gets hacked. Is the attacker able to make outgoing connections when the web servers have no direct internet access (only ubuntu ...
15
votes
5answers
10k views

Does using an http proxy completely hide my real IP address?

If I obscure my IP by going through a free http proxy and visit a page, will that site's admin ever be able to find out my true IP or anything related to my true connection/info?
27
votes
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 ...
5
votes
3answers
4k views

Any good free SSL proxy on windows?

I'm looking for SSL proxy capable of dumping requests. I want to test custom browser against SSL-MITM attacks. I'm able to re-route all traffic ongoing from browser to machine with proxy. ...
3
votes
2answers
787 views

What is your approach to handling Guest Internet access?

Suppose you're a company that uses a web proxy to block objectionable content on your corporate network, and this technology may cause issues with some 3rd party VPNs. Or perhaps this 3rd party is ...
16
votes
6answers
2k views

Anonymous web browser. Is it real?

Do anonymous browsers work? What principles do they use? Can I use them to test access to my web site? Can I detect if a visitor is using one? What is the different between traditional and anonymous ...
10
votes
6answers
386 views

Should we configure all devices to never request SSL 2.0, and reject it if offered?

In an effort to reduce man in the middle attacks, when will it be (or was it) an industry accepted practice to reject SSL 2.0 connections on the client and server side? Is configuring this on a proxy ...
9
votes
1answer
4k views

Is SOCKS secure?

In order to create a VPN, I open an SSH tunnel with a command like ssh -D 9000 user@host, and then I set my system's proxy settings to use SOCKS5 through localhost:9000. Well, setting up my home ...
8
votes
4answers
3k views

How effective are reverse proxies as a web application security measure?

How effective are reverse proxies as a web application security device? Which types of threats do they mitigate against and which don't they? For example are they more effective in preventing ...
8
votes
5answers
1k views

Creating tunnel with most ports closed?

How can I create a proxy tunnel from a network that has all ports but port 80 closed? I guess I'd have to bind SSH on my server to port 80, but would that introduce problems to my home network since ...