All Free

CurrPorts by NirSoft Freeware

CurrPorts displays the list of all currently opened TCP/IP and UDP ports on your local computer. For each port in the list, information about the process that opened the port is also displayed, including the process name, version information, the user that created it, and more. In addition, CurrPorts allows you to close unwanted TCP connections, kill the process that opened the ports, and save the TCP/UDP ports list to HTML file, and more.

close process tcp ports open

Colasoft Packet Builder by Colasoft Co., Ltd.

Colasoft Packet Builder is useful tool used for creating custom network packets, you can use this tool to check your network protection against attacks and intruders. Colasoft Packet Builder provides you very powerful editing feature, besides common HEX editing raw data, it featuring a Decoding Editor which allows you edit specific protocol field value much easier.

network sniffer ethernet intranet security telnet

Wake-on-LAN Packet Sniffer by Simplyware

Wake-on-LAN Packet sniffer is designed to troubleshoot and setup Wake-on-LAN entire your Network. It allows to check whether the target machine recieve the packet. Program will display all incoming "Magic Packets".

wake-up wol network turn-on remote magic packet ethernet

NetworkActiv Port Scanner by NetworkActiv

NetworkActiv Port Scanner is a freeware, Fast, Easy to use, Advanced network scanner with many useful features. This is not just a network scanner, with this you can perform DNS-dig, whois, remote OS fingerprinting, trace-route, ping, and much more.

tcp whois subnet dns dig dig port scanner

NetCom by Routix software

Easy-to-use packets-level filtering. NetCom is an extensible firewall, traffic controller, QoS, Bandwidth, Bridging, Redirection, NAT and traffic statistics software for the Microsoft Windows. Fully scriptable.

monitoring remote access traffic mac bridging ip

Socks Proxy Checker by My-Proxy

Socks Proxy Checker (SPC) can test the details (speed, version, country, smtp, udp and whether gateway or dangerous) of the socks proxy. Socks proxy is versatile proxy for all usage while the http proxy can only be used for surfing. You can use socks proxy to send email, transfer file, chat online, play game as well as surf website. Socks Proxy Checker can find the proper socks proxy for you. To have a brand new feeling of checking socks proxy.

socks proxy checker socks checker socks proxy

easy Look at Net by Look@Net.com

"easy Look at Net" is a simple ports scanner, packets sniffer and web-page source loader. Multithread ports scanner and packets sniffer specifically made to scan opened TCP ports, packets are filtered by incoming and outgoing, by IP addresses, ports and protocols - TCP, UDP, ICMP, IGMP. Simple web-page source downloader work via proxy server. Utility is very simple in management.

packets sniffer ports scanner web-page source loader

easy Look at Packets by Look@Net.com

"easy Look at Packets" is a simple packets sniffer. Packets are filtered by incoming and outgoing, by IP addresses, ports and protocols - TCP, UDP, ICMP, IGMP. Programm does not demand installation and is very simple in management that is important for beginning managers of system. Besides there is no need in third-party libraries, such as WinCap, etc.

sniffer packets

RemoteNetstat by Nsasoft LLC.

Remote Network Statistics displays remote network computer IP, ICMP, TCP, UDP and Server statistics, shows the details about IP datagrams including forwarding enabled-disabled state , default time to live, the number of received datagrams, datagrams with address, header, protocol errors, forwarded datagrams, incoming datagrams that have been discarded, delivered datagrams , sent datagrams, routing datagrams that have been discarded, etc.

programs remote service network parameters control execute

Radl Free Radius server by LUTEUS

The main goal of the Radius server (Remote Authentication Dial-In User Service) is to centralize the authentication information (name, password, keys ..) attached to users. It is frequently used with Remote Access Server equipments and Dial-in users. This Program is the server part of the Radius client/server architecture. RADIUS is described in RFC 2865. RADIUS protocol Uses User Datagram Protocol (UDP) messages (port 1812 is used for RADIUS

access control radius port 1812 rfc2865 port 1813 ppp remote access

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