Create the repository config file /etc/yum.repos.d/nux-misc.repo:

[nux-misc]
name=Nux Misc
baseurl=http://li.nux.ro/download/nux/misc/el7/x86_64/
enabled=0
gpgcheck=1
gpgkey=http://li.nux.ro/download/nux/RPM-GPG-KEY-nux.ro

Install redir rpm package:

# yum --enablerepo=nux-misc install redir

Requires:

libc.so.6(GLIBC_2.7)(64bit)
libwrap.so.0()(64bit)
rtld(GNU_HASH)