Package: tcputils

"tcputils" package binaries on CentOS:

/usr/bin/getpeername /usr/bin/mini-inetd /usr/bin/tcpbug /usr/bin/tcpconnect /usr/bin/tcplisten

You may install this package on CentOS with yum install tcputils

"tcputils" package binaries on Debian:

/usr/bin/getpeername /usr/bin/mini-inetd /usr/bin/tcpbug /usr/bin/tcpconnect /usr/bin/tcplisten

You may install this package on Debian with apt-get install tcputils