--- Please enter the report below this line. --- Hi When -R flag is used with small limit value nuttcp server spawns a child, starts using 100% CPU and closes connection. below is the example of how to reproduce (assume that nuttcp -S is already running) Debian Release: jessie/sid 800 unstable www.deb-multimedia.org 800 unstable http.us.debian.org 500 stable dl.google.com 1 experimental ftp.us.debian.org --- Package information. --- Depends (Version) | Installed ======================-+-=========== libc6 (>= 2.7) | 2.17-7 Package's Recommends field is empty. Package's Suggests field is empty.