Questions tagged [firewall]

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How to block read access of specific applications to a Windows folder (or to whitelist apps for read access)?

I want to allow read access to Windows folders to specific applications and deny read for all the others preferable using a free solution. The preferred workflow would be: Block all applications to ...
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15 views

Linux TCP hole punching between NATted machines without external machine

I have two Linux boxes on them I have full control. Both behind NATs I do not control (they are being done by wonderful ISPs1). I want the Linux boxes to communicate directly. I have no external ...
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1 vote
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Per-app connection blocking tool

Is there a free software tool for GNU/Linux based OS similar to NetGuard for android? or Is there a free software firewall tool that allows black/whitelisting IP on a per-app/process basis? Note: A ...
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1 vote
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Firewall app for MacOS that I can quit

I know there is a few firewall solutions for Mac, I use one - "Little Snitch" and while it's great, it does not satisfy one of my requirements. My use case is as follows: I'm offline, maybe ...
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  • 278
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1 answer
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Block internet access for target applications

I need to block access of target applications to the internet on Windows 7 and Windows 10. What is the most simple util for that? I don't want to use a full featured firewall.
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1 vote
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Firewall tool for Windows 10 PC

I'm looking for a tool that can block applications from accessing the Internet, an alternate Windows Firewall Tool. Features Required: Simple and Easy to Use Light-weight Able to block applications ...
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1 vote
2 answers
69 views

Blocking website access during period, but allowing some sites

I am trying to block all websites at certain times, while allowing some specific websites all the time. My kids should have access to their homework websites all the time, have some time set aside for ...
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  • 121
1 vote
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Mac firewall or tool that blocks access to websites based on geographic location?

I'm looking for a free Mac OS firewall that allows blocking of sites based on the server's estimated geographic location or iptable-like banning at a minimum. The main application is to thwart ...
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3 votes
2 answers
599 views

Software to block connections before I connect to VPN

When I am connecting to a public wi-fi (in a hotel or airport for example) I am using VPN to increase my security. But right after I join the network some applications start to establish connections (...
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  • 141
1 vote
0 answers
111 views

Any good free full version software similar to "Hide All IP"?

I like to play games online with gameranger. The problem is that I get this nasty message : Port forwarding at my local machine does not seem to work. It seems I will have to contact ISP which is a ...
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121 views

No-root Android Firewall with Ad Blocker (KitKat compatible)

I'm looking for an Android app with the following features: Does not require root Acts a firewall (can use VPN) Acts as a global ad-blocker, preferably with user-defined lists (similar to AdAway, but ...
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26 views

Blocking websites per user

I need to block specified websites, but each user should get his own rules, for example: John cannot access Facebook Alex can access Facebook, but cannot access Youtube The boss can access everything....
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3 votes
1 answer
55 views

Free complete replacement to Windows Firewall

I'm trying to open some ports on my PC for some multiplayer games, but Windows Firewall makes it impossible to open one. Rather than painstakingly trying to find out what's wrong I'd rather use ...
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0 votes
1 answer
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Firewall for Windows, which controls in/out data flow

I am searching for a firewall for Windows, which can control data flow in and out of my PC. I am not talking about inbound/outbound connection but about data flow. [Sorry, I don't know technical ...
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1 vote
1 answer
59 views

Firewall for macOS, alternative to Little Snitch

I am using Little Snitch 4.0.x for macOS, however the more I use it, the more trouble I have got. For completeness, I am briefly explaining my issues. It seems Little Snitch have some bugs. To not ...
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2 votes
0 answers
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An alternative to Mobiwol or any other way to block certain apps from accessing Internet

I need to control which application on my Android-based phone has or hasn't access to Internet. Requirements: invisible to device user (except for icon in app drawer), password required for ...
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  • 297
4 votes
1 answer
263 views

Free Windows Firewall Control Alternative

(Working on Windows 7 64 bit) Looking for a free alternative to Windows Firewall Control where I can block all outgoing connections AND the program alerts whenever there is an outgoing connection ...
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  • 247
2 votes
1 answer
353 views

Test which ports are open for outbound connection

I have a computer located on a Internet network that has some security policies, which I don't have control over. I am looking for a program, user script, or web service that can give me a list of ...
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0 votes
1 answer
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Developing firewall rules for an application

As part of my work experience (I am 17 and at sixth form) the IT technicians have asked me to prepare for a deployment of autocad Fusion 360, and the application needs to talk to the autocad servers ...
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2 answers
146 views

Non subscription based firewalls

Looking for a one-time purchase, or free Firewall application to run on Windows 10. Requested Features Able to monitor active connections, providing both Source and Destination IP Address; Allow me ...
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0 answers
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What solution to use in order to monitor the uptime of virtual servers in internal LAN (behind a firewall) and notify through the WAN interface?

I'm searching for solutions to monitor the uptime of several virtual private servers that are not publicly accessible but only in a protected LAN. The only thing that separates the LAN from the ...
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  • 111
3 votes
0 answers
224 views

Need an alternative to Comodo Firewall

Please note: This is NOT a duplicate of earlier questions of this sort. As of 2017, market landscape has changed; most solutions historically recommended got discontinued or made paid only. So. After ...
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  • 191
2 votes
0 answers
76 views

Light & effective firewall to block a program

My laptop system is Windows 7 Ultimate 64 bit. I'm looking for a light firewall to only block some programs to access to net. I've tried Comodo but it slows my laptop too much. Any suggestions?
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Utilities for firewalled downloads

I am looking for a linux utility that downloads a file and set a firewall that restricts all connection to only the server that is transferring the file. I would set it in bash if it doesn't really ...
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0 votes
1 answer
67 views

Software/framework in Linux for filtering HTTP traffic?

I have been using mitmproxy for filtering HTTP traffic. mitmproxy is simple and written in Python. It will start a new thread to handle every new HTTP request. Here are some things I need to get from ...
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  • 101
1 vote
0 answers
33 views

Windows security software wanted, mix of personal firewall and packet filter

Many years ago, I had a Windows based security software of which I do not remember the name. It was advertised as a personal firewall, but it could do much more. After initial installation it would ...
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6 votes
0 answers
137 views

Application based firewalls for Linux

Linux has IPtables firewalls like GUFW which can block ports and IPs. But what I need is an application based firewall like Zone Alarm and Comodo in Windows that blocks internet access to particular ...
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  • 226
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Android app to easily deny Internet access to apps, does not show apps that don't use it in the first place

To prevent a particular app from using the Internet, NetGuard/AFWall+/XPrivacy can be used. PROBLEM: They shows all apps on the phone, even the apps whose source code does not even attempt to access ...
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  • 18.8k
4 votes
1 answer
33 views

Alert if a process has uploaded more than X bytes over the last Y seconds

I am looking for a Windows program that can give a process has uploaded more than X bytes over the last Y seconds. E.g., if the running Oracle server has uploaded more than 1 GB over the last hour, ...
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6 votes
3 answers
2k views

User friendly firewall for Windows 10 to filter/block outgoing traffic?

I'm looking for a simple, user friendly firewall for Windows 10 that enables the user to explicitly allow or block outgoing traffic per application. Or in some cases, only allow an application to ...
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7 votes
1 answer
184 views

Alert if a remote computer tries to connect on a given port

I am looking for a Windows 7 program that can give an alert if a remote computer tries to connect on a given port, and gives the option to accept or refuse. I don't want any warning regarding other ...
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0 votes
2 answers
450 views

GUI - Captive portal with Active directory auth, Content filtering(http+https), Firewall, High Availability

Sorry if this is not related here, please tell me where should I ask this. :) I work in school and have the task to optimize network. I need to make: Captive portal with MS Active Directory ...
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4 votes
0 answers
297 views

Simple interactive windows firewall

I'm surprised I cannot find any windows application fulfilling following requirements: to behave as standard, simple, standalone and interactive windows firewall, nothing more not to be unmanageable ...
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  • 141
4 votes
1 answer
503 views

Linux Mint firewall to manage applications connection

I'm looking for a firewall for Linux Mint 17 x64. It should have these features: Having a GUI (not required, but appreciated) Allow/Block whole software/applications (e.g. Skype, Steam, etc.) I ...
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3 votes
1 answer
2k views

An Open Source No Root good firewall?

Do you know any open source android firewall which work whithout needing to be root? I found some, but they just let me permit or deny access to internet for each app. I need a fire wall on which I ...
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  • 133
10 votes
2 answers
14k views

Ubuntu firewall to block/allow applications

I'm looking for a Firewall for Ubuntu to block/allow single applications. I'd like it to have a GUI. I found Leopard Flower personal firewall for Linux (LPFW) but I need to run sudo ./lpfw and gui/...
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  • 325
3 votes
0 answers
48 views

A firewall that does not ask the same question multiple times when the user answers without selecting "remember this setting" checkbox

Gist I'm looking for a firewall: A firewall that does not ask the same question multiple times when the user answers without selecting "remember this setting" checkbox And ideally, that can display ...
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  • 31
6 votes
4 answers
1k views

Outgoing network monitoring and connection blocker (per application) for Windows (8.1)

My wife just got an new notebook with Windows 8.1. Because I never used windows actively (I'm Unix & Mac user), looking for program what will have the same functionality (as close as possible) as ...
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  • 512
8 votes
3 answers
127 views

How to turn my PC into a router and possibly add some extra capabilities?

I am looking for a software to turn my PC into a router and have the following capabilities which may come together with the software or is a plugin: firewall, filtering charting IPS, IDS HTTPS only ...
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3 votes
2 answers
349 views

Simple firewall that blocks everything by default?

Can someone recommend a simple firewall that blocks everything by default, eventually with command line control? Windows XP+
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2 votes
2 answers
304 views

Any lightweight firewall alternative to Ashampoo firewall

I've been using Ashampoo firewall all the time and happy with that. This application alerts me when an application is requesting internet. I have the option to allow the requesting application and ...
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