# osx
cat test.http | nc -l -p 8000

# linux
cat test.http | nc -l 8000

# centos fix
# http://serverfault.com/a/729768/71640
# Removes the old package
yum erase nc

# Manually downloads the working package from the Official Repository
wget http://vault.centos.org/6.6/os/x86_64/Packages/nc-1.84-22.el6.x86_64.rpm

# Installs the package
rpm -iUv nc-1.84-22.el6.x86_64.rpm

# more tips
# https://www.g-loaded.eu/2006/11/06/netcat-a-couple-of-useful-examples/
# https://josetips.wordpress.com/2014/03/12/minimum-http-server-with-netcat/
cat backup.iso | pv -b | nc -l 3333
dd if=/dev/hdb5 | gzip -9 | nc -l 3333