Print incoming UDP messages as hex dump or plain text on the command line with the free Swiss File Knife for Windows, Mac OS X and Linux.

sfk fromnet [port] [options]

receive network text sent by sfk tolog or tonetlog.

if a port number is given, it is used to receive text
instead of the default UDP port 21323.

   -nocache  do not cache text lines without linefeed
             but print them to terminal immediately.
             default is to wait for a linefeed, to join
             large lines split across multiple messages.

see also
   sfk netlog   - how to send SFK network text

   A recommended GUI tool to view and filter network text
   is Depeche View. Type sfk getdv to download, then run
   the tool by dview -net for instant net text display.
   It runs with Windows, and on Linux/Mac using WINE.

web reference

   sfk fromnet
     wait for incoming text and print it to terminal.

   sfk fromnet +filter -high red error +loop
     highlight errors in red in the incoming text.