Questions tagged [proxy]

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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113 views

Concept for (almost) untraceable networking setup

I have been working on an my digital footprint lately, trying to reduce it as much as possible, taking steps like fully encrypting my device with Veracrypt, installing 3 AVs, or spending hours trying ...
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97 views

How to locally monitor outgoing internet traffic?

I have a cable internet connection that goes to a ASA firewall and then into my local network where i have several machines including many VM's on a ESXI server. I am looking for a way to monitor ...
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1answer
60 views

What are the security implications of connecting to Tor through an SSH SOCKS proxy?

Suppose I have a user account on a remote server run by a friend. I create a SOCKS tunnel on my computer that forwards connections from a local port to the remote server: ssh -N -D 12345 john@10.1.1....
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63 views

Is it possible to browse HSTS sites over SOCKS5 proxy?

I am unable to browse HSTS websites using SOCKS5 proxy in chrome browser...getting this error... This site can’t be reached The web page at https://www.instagram.com/accounts/login/?hl=en might ...
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64 views

SSL handshake: Client Hello and Server Hello

I am trying to understand how a client communicates with a server when using a proxy. The client is an Android device, whom the traffic is proxied to the server through mitmproxy. This is my topology:...
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34 views

An unknown domain serving contents of my sites [migrated]

I found that an unknown domain like www.aaa.com serving exactly the same contents (html, js ,css, any asset) of my site: myname.me. And the API as well, for example, www.aaa.com/api/user get the ...
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32 views

How can I forward SaaS calls from the client to a third-party service?

In the browser (e.g., for mysite.com) there is Javascript for third-party services, say somesaas.com. Let's say that I rewrite the Javascript so that it calls https://proxy.mysite.com instead of ...
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5 views

Trouble connecting to private proxy on wifi [migrated]

I have a private proxy that does work at home but I cant connect to it while on a specified wifi using my laptop. It does work if im sharing wifi with my cellphone (tested if the laptop was the ...
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54 views

Is using a VPN or Proxy the only explanation for a wrong location being displayed?

My boyfriend is using an iPhone XS Max. He is in Johor, Malaysia, but his last active session displays that he is in Kuala Lumpur. He told me that he is in Johor, and he said the only reason why it's ...
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58 views

How is Indonesia blocking images in e2ee applications?

Indonesia's minister in communication and informatics supposedly blocked the sending of images and videos through social media from 22nd May until 25th May, in order to prevent hoaxes from spreading ...
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1answer
69 views

Security implications of client TLS termination

I have a bunch of HTTP services/devices TLS unaware. I want to allow them to access WAN, but of course I do not want them to do it in plain HTTP. Updating them is unworkable due to legacy issues and ...
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2answers
5k views

If the Charles SSL Proxy shows me sensitive data, is that data insecure/exposed?

Today I was exploring a website used for keeping track of student grades and everything related to school. Basically like a school progress tracker for your child which is used by 90% of schools in my ...
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121 views

Router administration page is served over HTTP

My wireless router admin page does not include https option. It is always served over http. This is obviously a concern in case someone is sniffing the network and can read my password in plain text. ...
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1answer
110 views

Detect Proxy and Tor exit nodes from an IP in python

I have a database (hadoop) of the users who access my website (their IPs) and i want to check if those users either use proxy networks or the TOR network and block them. I also want to differentiate ...
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2answers
95 views

Security Benefits of Reverse Proxying Java / Tomcat WebApps Locally

Conventional wisdom seems to dictate that java applications should always be reverse proxied. It's what I have always done and so has everywhere I have worked at. I have read multiple times that ...
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72 views

How to intercept packets of system apps in Android?

I am unable to capture packets of native android email app in burp suite but able to capture packets of chrome browser. I have configured the proxy of my machine with burp port(8080) on the test ...
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1answer
152 views

What is a SOCKS proxy? [closed]

I am having a hard time understanding what a SOCKS proxy really is. I have been searching on Google, but so far, most websites compare SOCKS with an HTTP proxy, but they do not explain in detail what ...
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146 views

Azure AD Application Proxy Security Concerns + Azure Application Gateway (WAF) Better?

I am still new to security and still learning the basics so was interested in getting some feedback on two Azure services. Edit: We are a school and the application's host 4000+ parent and student ...
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1answer
168 views

Defeat iOS Certificate Pinning by replacing the hardcoded certificate in the executable?

I'm analysing an iOS application and its communications through Charles. I have access to most of SSL communications but not all, due to certificate pinning. I know that there are many different ways ...
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2answers
133 views

How does this spyware intercept my https traffic? [duplicate]

The firm I'm working for has installed a "spying" software on my computer which intercepts my https traffic. No hard to understand how it works, it's something like mitmproxy, which signs on the fly ...
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3answers
214 views

How can I stay anonymous in a LAN without Internet access?

I need to perform attacks (SQL injection) on a server. I thought of using a proxy to be anonymous, but the topology is a LAN without Internet access. I have no idea of the protocols used in the ...
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69 views

Meterpreter Over HTTPS Proxy

I have a proxy server on the WAN as well as my box open to the WAN. I want this proxy server to (when it receives a shell), route it to my host so it can be the "man in the middle" between my ...
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2answers
51 views

What happens if I use a proxy through software such as Proxifier and also use a software which supports working through proxy servers?

Let me give you an example: I use proxifier to use a proxy that uses IP from Germany. So when I check https://www.whatismyip.com/ it shows as if I'm from Germany. So imagine if I have a software on ...
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1answer
218 views

What's the security concern of browsers using the HTTP CONNECT method?

The XMLHttpRequest spec says that attempted usage of the CONNECT method should throw a security error. Is there a security issue with client-side JavaScript sending CONNECT requests to servers? It ...
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1answer
54 views

Providing access to Git repo behind a Firewall using Certs/Keys for Authentication

We have a Git repo sitting behind a firewall. As I see it, there are two ways of authenticating/accessing the Git repo: Add a Reverse HTTP Proxy in the DMZ that communicates with the Git repo. This ...
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92 views

Transparent proxy with certificate check

I need to filter HTTPS traffic based on the certificate of the destination server. Only traffic to servers which have a certain certificate should be allowed, other traffic needs to be blocked. The ...
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1answer
209 views

Do I correctly understand how CORS proxy works?

There are a lot of CORS proxy servers like this one: https://cors-anywhere.herokuapp.com/ This allows us to send requests from different origins. For example I can send request from my client's ...
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1answer
77 views

Problems accessing websites in Netherlands [closed]

I have problems accessing certain websites in Netherlands, I have tried using several VPN, RDP, SOCK5(Vip72), Epic privacy browser. By the way i am in Asia (Malaysia). I used to be able to access it ...
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1answer
114 views

Would sniffing all network traffic from android device to check for spyware be a viable solution

I suspect that my Google pixel (Android 9) phone has some sort of a spyware installed. There are no obvious symptoms like overheating, extreme data usage, or battery draining at an unusual rate. But I ...
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2answers
105 views

What are MITM proxies used for in enterprises?

My company (like many others I assume), uses a "man in the middle" proxy with a personal root CA. Disclaimer : I'm not a security expert so perhaps I do not correctly understand what this network ...
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31 views

Preventing admin from changing proxy settings

I am using a proxy server for my environment deployed on premises for internal hosts and on the cloud from BYOD. When a user takes their device off the premises, the proxy changes to an external proxy ...
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101 views

PHP socks proxy with no port opening

let's say i have file apache file access on a webserver, but due to firewall rules etc, i can't connect to ssh and can't open a port. Is there a way to do this exactly this : create a socks proxy on ...
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2answers
81 views

What are the pitfalls of bypassing a proxy to access cloud services such as G Suite or Office 365?

According to a TechNet article published by Microsoft, one of its recommendations is to bypass proxies to access Office 365.The basic premise is focused on performance as opposed to security. ...
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57 views

What's the most anonymous way of severing IP from actual physical location? [closed]

There are a number of layers that need to be secured. There's the network layer, for which we have Tor and other anonymizing applications and the physical layer. I don't see how one can be concerned ...
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1answer
190 views

How effective is the ProxyGambit at allowing access to the internet without revealing true location and IP?

I'm very interested in purchasing or manufacturing this device on my own and maybe using it in conjunction with Tails/Tor: https://samy.pl/proxygambit/ According to the site: ProxyGambit is a ...
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0answers
90 views

Java http proxy burp

I have a web application which downloads and executes a jnlp file to launch an applet. Using javaws I set a proxy under the network settings at 127.0.0.1 port 8080. Is this enough to monitor through ...
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5answers
795 views

Difference between SSH Tunnel / Proxy and VPN in terms of security

What benefits does a VPN have over just using a regular SSH Tunnel? I'm considering setting up OpenVPN on a server, but was wondering what benefits that would have over just using that same server as ...
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1answer
121 views

SQL injection with an auto-incrementing parameter

I'm currently performing an API Pentest and I suspect an SQLi in one of the API calls. It updates a certain item of the web-service and requires an increase of the version number for each request. ...
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1answer
53 views

Protect app from Http Proxy like Charles [duplicate]

I am using https request for web API in my app. But I know Charles allowed to access https request also, via install root certificates on device. So, someone downloaded the app from PlayStore and ...
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0answers
28 views

Can a single domain be deleted from HSTS list through GPO

I have proxy performing a IWA authentication which intercepts the web request and redirects it towards the proxy's host name for auth. The redirect url is over http however the HSTS list on the end ...
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0answers
63 views

Pentest website available through per app VPN

I am trying to intercept web traffic with burp from mobile devices (Android and iPhone) that are enrolled in an MDM solution (MobileIron). There is one specific website I want to proxy, that is ...
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0answers
56 views

Using Screen or Tmux with Cyberark PIM Proxy [closed]

we discover that log of commands typed during a Cyberark PIM Proxy ssh session to a target host are blind if the user open a screen or a tmux session in its shell... Anyone experienced this issue ? is ...
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1answer
71 views

Difference between different proxy types

While using VPN handler apps I have come across terms such as real host dual real host reverse proxy These terms appear under the proxy type tab. What is the difference between them and what is ...
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1answer
69 views

Proxy over pptp VPN in a TMG server

Our Company is using a TMG (Threat Management Gateway) server to grant the employees access to the internet. It's not strict and users can make VPN connections and use the proxy extension of Chrome as ...
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1answer
50 views

What's the point in a proxy server authorizing/authenticating clients?

I've implemented a SOCKS5 proxy library, but I just don't get the point of authenticating (or encrypting) connections, which the RFC (1928) seemed pretty adamant about. Isn't anonymity the whole idea ...
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1answer
393 views

Use bettercap to sniff traffic going through a proxy configured in the browser?

Using bettercap, how can I intercept traffic which goes to a proxy server which is configured in browser? With no proxy configured it is working fine. But as soon as a proxy is set in the browser ...
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1answer
108 views

IP-whitelisting for DB access, does solution fit best practices?

All the data we have on our customers sits in our data-lake, which is hosted by one of our suppliers. Currently the security is such that a limited number of users has (limited) access to the database ...
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1answer
103 views

How can AWS API Gateway be used to rapidly rotate credentials in this fashion?

Reading through this article, I hit a little wall of understanding. The author states: This is because my laptop doesn’t have the secret weapon. Once you get this up and running on an EC2 ...
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1answer
70 views

Can I have a certificate on one server and the key on another?

Let's say I have a Server A with a valid certificate and a Server B with the key for the certificate. Client === Nginx Proxy with valid cert === Apache with key I don't want Ngnix to decrypt all ...
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0answers
81 views

How to reproduce the RTP bleed vulnerability?

I need to demonstrate RTP bleed on an older version of Asterisk/RTPProxy, but I'm struggling with setting up the environment. Can somebody please tell me how to configure a proxy and two clients ...