post_install() {
  setcap cap_net_bind_service=+ep 'usr/bin/rcp'    2>/dev/null || chmod +s 'usr/bin/rcp'
  setcap cap_net_bind_service=+ep 'usr/bin/rlogin' 2>/dev/null || chmod +s 'usr/bin/rlogin'
  setcap cap_net_bind_service=+ep 'usr/bin/rsh'    2>/dev/null || chmod +s 'usr/bin/rsh'
  cp -p /etc/pam.d/telnetd /etc/pam.d/other
}

post_upgrade() {
  post_install $1
}