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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. This means you...
A java wrapper for popular "libpcap" and "WinPcap" libraries. Accurate full API translation. Packet buffers delivered with no copies. Send custom packets, gather statistics. Comprehensive and easily extensible DPI engine.
Jateway is a general purpose TCP/IP connection proxy
Jateway is a general purpose TCP/IP connection proxy.
Jateway accepts connections on arbitrary ports (like 80 or 443) and specific host:port combinations (like WANIP1:443 and WANIP2:443) for multi-interface systems
Supports single TCP connections (like MySQL), and multi-TCP connections like HTTP and HTTPS, and fowards them to arbitrary host/port combinations.
A very simple to use java firewall testing tool. Ever wanted to verify that a TCP or UDP network path is actually open? This tool has both server and client modes so you can test network paths between any two computers that have the Jave JRE installed.
A lightweight, compact, stand-alone, platform-independent application to forward TCP (over IPv4 or IPv6) connections to another host. Possible uses include - but not limited to - firewall hacking, tunneling, proxying, fortifying ADSL, creating multi-plat
A simple port-relaying program written in Java; sits on specified ports for either TCP or UDP, re-sends packets to the given IP. Doesn't forward packets, actually receives and re-sends them. Could be handy to learn Java Sockets/networking. Public Domain.
TCP-Switch currently allows sharing one port for four protocols (SSH, HTTP, HTTPS, passive FTP).
Each protocol can be forwarded (tunnel) to a different <host:port>.
Future releases will allow much more controll, e.g. client IP/port, and other protocols
JavaTunnel is a java, free, tunneling program.
It can function in two ways: 1 It can open TCP/IP tunnel between two computers, using HTTP as a transport(not yet). 2 It can open a connection directly, witht he help of a SSL-HTTP proxy(avaible now).
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
Infect is a network traffic classification tool, that classifies TCP protocols. The classification is based on ML techniques. Scen: Train/Recognize arbitrary protocols (SSH, HTTPS..), Detect policy violations (e.g. tunnels)