The problem is that my university campus doesn't allow connections to go outside when the port is different than TCP port 22, 80, 443, or UDP port 123. I tested them manually. On my Debian server I would like to listen to all my UDP and TCP ports so I can clearly figure out which TCP and UDP ports my university let through their firewall.

Packet Sender - Download Packet Sender is a free utility to for sending / receiving of network packets. Support for TCP, UDP, and SSL. A Simple Multi-threaded TCP/UDP Server and Client V2. Jan 31, 2007 Get data from TCP and UDP ports - Splunk Documentation If you want to send data from a TCP or UDP source such as syslog, use the Splunk Universal Forwarder to listen to the source and forward the data to your Splunk Cloud deployment. TCP is the network protocol that underlies the Splunk Enterprise data distribution scheme. Which UDP ports are open? (netstat is for TCP) - Ars

Below is an example of a UDP listener to complement the above client. It will constantly sit and listen for traffic on a given port and simply write that data to the console. This example contains a control flag ' done ' that is not set internally and relies on something to set this to allow for ending the listener …

UDP sockets UDP stands for User Datagram Protocol and is an alternative protocol to TCP the most common protocol used for data transfer over the internet. UDP is different from TCP in a number of ways. Most importantly UDP is a connectionless protocol. In the TCP protocol first a connection is established by performing the Read More »

The default port for UDP Syslog messages is 514. If you want to listen on a different port for UDP messages, you can enter any port value from 1 to 65535. If you change the port from 514, the device sending the syslog message must also be able to support the alternate port number. Kiwi Syslog Server can listen for messages on only one UDP port.

UDP - Client and Server example programs in Python UDP Overview: UDP is the abbreviation of User Datagram Protocol. UDP makes use of Internet Protocol of the TCP/IP suit. In communications using UDP, a client program sends a message packet to a destination server wherein the destination server also runs on UDP. What’s the Difference Between TCP and UDP? Jul 03, 2017 windows - Why UDP does not show LISTENING in the state