A simple way to block access to the internet per app
NetGuard is an open-source Android firewall app that lets users control internet access on a per-app basis without requiring root access, making it a straightforward and flexible way to improve privacy and data usage management on mobile devices. By creating a local VPN service on the device, NetGuard intercepts and selectively blocks or allows network traffic for individual applications and addresses, supporting both Wi-Fi and mobile connections according to user preferences. ...
Personal firewall for linux desktop and android phone
This is extremely handy for Android Phones, as now most third-party Apps from mobile market is now close-sourced and it's hard to promise its security, but some of this functions may be tempting, so we have to install it and give it permissions what it want at installation stage, and then it may do something we don't like in the background, now with Lavender we can at least prevent from accessing network if we don't trust it.
Both linux desktop and Android Phones are now...
Server/client suite which provides per-user access control/firewall/QOS. Robust and high speed implementation is secure against MAC/IP spoofing, and can scale to large networks with many clients. Options for additional monitoring and captive portal.
A complex software (firewall, network access informant, traffic calculator) for xDSL subscribers of Sibirtelecom company. Only Novosibirsk city branch supported at now.
Netfilter tracker is a tracking tool for iptables logs, similar to Checkpoint(tm) Smartview Tracker. Includes storage in an embedded SQL database and a graphical application (viewer) to access filtered data.
A portsentry clone written in java designed to run on any platform. You be able to give CLI for blocking access after detection (ie. shell, cmd, bat, etc..), Customizable for all ports on UDP,TCP