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9
votes
2answers
789 views

httpoxy - does TLS/SSL mitigate the vulnerability of HTTP Proxy header?

There's a new fancy-named, branded vulnerability called HTTPOXY. My question here: Are sites served via TLS also affected? Or is this an issue only for HTTP sites (unencrypted communication channel)? ...
1
vote
1answer
54 views

How to configure proxy settings of cellular internet for burp

I am pen testing an android app and using tethering to connect my phone to my laptop. I configured the access point settings as proxy = ipv4 address of my laptop and port = port on which burp is ...
0
votes
0answers
18 views

Making My Cache Work and Not Theirs: Blacklist for Blocking Caching Sites with Squidguard?

Is there a Squid Guard blacklist (assuming SSL decryption and inspection) that will block caching websites like Google Cache, Google Translate, and the Internet Wayback Machine?
1
vote
1answer
21 views

Is it possible to lock down the http / https proxy settings on a Windows Phone?

Is there any way to lock down the proxy settings on a Windows Phone so that they can't be changed by anyone but the person with the password?
1
vote
1answer
28 views

Is it possible to lock down the http / https proxy settings on an Android phone?

Is there any way to lock down the proxy settings on an Android Phone so that they can't be changed by anyone but the person with the password?
1
vote
1answer
52 views

Is it possible to lock down the http / https proxy settings on an iPhone?

Is there any way to lock down the proxy settings on an iPhone so that they can't be changed by anyone but the person with the password?
7
votes
1answer
2k views

HTTP Caching Headers: private vs no-cache

We're currently reviewing our set of "no-cache" security headers: Cache-Control "no-cache, no-store, must-revalidate Pragma "no-cache" Expires 0 Besides the "standard" set above, I found this ...
3
votes
1answer
70 views

How does firewall differentiate between browsing and downloading?

The firewall installed at my college's router allows me to surf the internet but never allows me to download any package that has a size more than 100mb. I wonder how exactly does it differentiate ...
0
votes
0answers
25 views

ostinato as replacement for fiddler

Can ostinato be used like fiddler? Fiddler acts as a proxy for recorded traffic and all responses on Wireshark appear to be coming from a local IP where fiddler is hosted. I have a use case where the ...
2
votes
0answers
50 views

Prevent external script from loading using Burp

I am using free edition of Burp Suite to analyze some requests. Suppose, website is https://www.example.com. Now, there is a javascript file in https://www.example.com/templates/scripts/xyz.js. I ...
1
vote
1answer
80 views

Is it possible to utilize an outbound proxy to upgrade to TLS

Given a situation where legacy technology exists from a system and we don't want to do a complete upgrade (.net in this case w/ version that doesn't have any support for TLS 1.1/1.2) as the product ...
6
votes
1answer
253 views

How do Lync and SSL inspection play together?

Whitelisting all Lync hostnames is cumbersome. Globally deactivating SSL inspection is undesirable. At a place I work for, they have SSL-inspection enabled on their proxy. All traffic to the Internet ...
3
votes
0answers
70 views

Reverse Proxy + WAF

AS part of network design, I am implementing a HTTP Reverse proxy as well as a WAF. The HTTP Proxy, I am thinking about terminating SSL, on either the outer firewall - so the WAF can insect the layer ...
-1
votes
1answer
104 views

proxies do not render HTTPS pages with javascript correctly [closed]

In technical terms, how come all proxies fail to display https pages (e.g. Facebook) correctly? The use of javascript is almost always disabled. The problem is in https? Can someone technically ...
8
votes
2answers
896 views

Are future TLS versions going to prevent traffic inspection?

Nowadays it is possible to inspect (unencrypt) TLS (HTTPS) traffic inside an organization. The mechanism consists in using a root CA that is configured in the web client and a network device that ...
5
votes
1answer
142 views

Restricting access to “hacking” sites and tools

I tried following a link from a post on this site and discovered that insecure.org is blocked by our internet proxy. What are the potential benefits and risks of allowing access to such sites to ...
-2
votes
1answer
203 views

Concerns about intercepting HTTPS

I've developed a content filtering system and am considering adding the ability to transparently intercept and filter HTTPS traffic, at the users request of course. I understand that I need to install ...
3
votes
1answer
134 views

HTTP Response splitting - is it browser caching or server caching issue?

I am trying to wrap my head around HTTP Response splitting. Although using WebGoat etc. I was able to learn how to do it in practice, but I guess I am still confused with some very fundamental ...
1
vote
1answer
92 views

Reverse Proxy SSL container

Technically and security wise, can a reverse proxy act as a "container" for SSL certs ? Meaning, for example currently my web server is running on ssl (https). Can I move the SSL cert to the reverse ...
2
votes
3answers
384 views

How does Facebook really identify requests?

Today I have discovered something very strange. It seems like Facebook is playing some kind of unfair game for identifying one's online identity. So, here is what I have done: I have a regular ...
3
votes
1answer
114 views

What kind of attacks can target static resources?

Static resources and their caching interests me from the security perspective. Let's say we have an .jpg file requisted from the origin -> going through a reverse proxy with caching -> reaching the ...
17
votes
6answers
900 views

Securing web applications with only a reverse proxy

In order to secure its public HTTP API (so called REST), my client is asking me to implement a simple HTTP reverse proxy that will verify (OAuth 2.0) access tokens and forward HTTP requests to ...
1
vote
1answer
109 views

How to Develop Waf as Service [closed]

Recently, I've started a my educational project WAF as service. To develop this project as per my view, following things are required: Web Application Firewall is in-line with the web servers; it ...
2
votes
4answers
2k views

Intercepting AJAX request and response using BURP

I would like to intercept an AJAX request using BURP. I have used BURP for web applications testing before. This, however, appears to be a weird case. I am not certain what am I missing here. The ...
2
votes
0answers
129 views

Metasploit reverse_http(s) PAYLOAD for linux target

During exploitation via metasploit's browzer_autopwn, I need to set a payload using http or https channel on a linux target. But there is no reverse_http(s) available in linux payload category. What ...
-3
votes
1answer
960 views

insecure HTTP Methods Enabled — how to control? [closed]

Here I am new to insecure HTTP Methods Enabled. The server allows HTTP methods that are considered dangerous. The following methods were enabled: PUT,DELETE Software used: Apache-tomcat-6.0....
1
vote
0answers
43 views

How to know which file is being sent in POST request by Android device?

I am using an Android Device. I make apps and generally use Burp Proxy to try to debug how my app's requests-response works. Recently I have noticed some anonymous request being sent by my device ...
32
votes
3answers
28k views

How can a website find my real IP address while I'm behind a proxy?

I just wonder how some website like WhatIsMyIP find out what your real IP address is, even if you use proxy server. It said : Proxy Detected and then they give your real IP address. Is it ...
8
votes
1answer
638 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 ...
3
votes
4answers
275 views

How safe is SSL on an untrusted computer and network?

In situations where the consumer doesn't trust/control the workstation and the network, can consumer safely do potentially sensitive activities (like making a payment or transferring confidential ...
3
votes
1answer
132 views

What's the interest for web proxy over transparent proxy

A network I'm working on has only a web proxy (http, https) to communicate outside (mostly used for cache purposes, not whitelist or blacklist support). This requires lot of configuration to all tools ...
4
votes
2answers
492 views

Long character sequence in first string of HTTP GET request breaks the web service's HTTP response. Buffer overflow?

During my current security audit test I've stumbled on something I can't possibly comprehend. The behavior exhibits signs of a buffer overflow in the target or in some intermidiate service (HTTP proxy/...
19
votes
3answers
19k views

Authenticating a Proxy server over HTTPS

When browsing to a website over HTTPS, the web browser typically does a lot of work in the background - negotiating a secure channel, validating the site's certificate, verifying the trust chain, etc. ...
5
votes
4answers
2k views

Why is this response splitting attack not working?

I'm working through OWASP's "WebGoat" (version 5.4) vulnerable web application, but I'm getting stuck on one of the earliest lessons which is to do with HTTP response splitting. I've looked in all ...
1
vote
2answers
293 views

I'm wondering how I hide my identity online well [duplicate]

what are the different ways to become anonymous. Is quicksilver a good email for that? What are the different options? I know about proxies, Tor, and VPNs. Should I do all three? I like computers but ...
3
votes
2answers
3k views

Now that CloudFlare offers potentially-insecure free SSL to all users, would a new HTTP header be useful?

I'm not sure where to post this, so I figured I'd just post it here. CloudFlare is now offering free SSL to all sites. There are two different types of SSL connections, however. There's "Flexible SSL"...
1
vote
1answer
3k 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 /...
1
vote
2answers
387 views

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 ...
3
votes
1answer
333 views

How the whatismyip knows real ip address?

I just realize that this website knows the real ip address even if you use proxy ,i found this question, so start to test every possible way,first, this website don't have a X-Forwarded-For or X-...
10
votes
4answers
3k views

How do proxy servers sniff data?

I live in a country which most website on the internet is blocked by government so we mostly use wide variety of proxies such Web proxies, VPN, SOCKS and most of them are free. My question is: Is ...
1
vote
2answers
1k views

How can I use a proxy appliance as HTTP Proxy & Reverse Proxy at the same time?

I have a BlueCoat ProxySG 810 appliance and want to use it as both an HTTP Proxy Server for clients on the Inside interface of a PIX 525 Firewall (OS Version = 8.0(4)) and a Reverse Proxy Server for ...
3
votes
3answers
9k views

Block the HTTPS version of a website

I would like to block some websites from their HTTPS version and allow them on HTTP. The main websites involved are Youtube and Google Images/Videos. I am using K9 Web Protection on each computer, and ...
1
vote
1answer
253 views

Is this a security breach?

I read in an article that if the request is authenticated or secure (i.e., HTTPS), it won’t be cached. But in https, burp has reported an issue stating http response is as follows: Cache-Control: ...
4
votes
3answers
2k views

Is a company website secure against sslstrip if it doesn't use ssl on homepage but ssl everywhere else?

Most ecommerce websites use SSL/TLS when you want to log. But most have homepage using http only. Is it enough to have SSL/TLS on login page and logged page to prevent sslstrip ?
1
vote
0answers
265 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 ...
3
votes
2answers
2k 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. ...
0
votes
1answer
233 views

HTTPS Proxy Everwhere?

I am configuring a HTTPS proxy, which I want to use for my laptop wherever I go. The idea is that since its encrypted, I should be safe from eavesdroppers, even on open wireless networks. Think of it ...
0
votes
1answer
510 views

Sniff HTTP(S) from PPTP VPN server

I've setup an PPTP VPN server on my Debian 7 server. I'm using this VPN in combination with my Android phone to ensure a secure connection. However, i'm getting curious of what my phone is sending ...
0
votes
1answer
1k views

Intercepting HTTP requests from a Java Application [duplicate]

I was wondering if anyone knew of a way of capturing and modifying the requests sent out by a Java application over HTTP. I can see them in Wireshark, but I also want to be able to modify them in ...
6
votes
1answer
5k views

Documented Best Practices for Reverse Proxy Implementation

I'm looking for some best practices documentation for implementation of a reverse proxy. We need to allow an internal database / web server incoming access to the outside world and are trying to ...