Slow connection on Linux xinetd Telnet when logging is enabled

Problem: Telnet sessions to a Linux machine (in my case CentOS 6.8) via xinetd take half a minute or longer before showing the login prompt Solution: Disable USERID logging, for xinetd telnet this is located in /etc/xinetd.d/telnet file Example: service telnet { disable = no flags = REUSE socket_type = stream wait = no user = …