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Why does it sometimes take a few seconds for RSHD/NT to execute a program from an rsh or to copy a file from an rcp command?

April 26, 2017Command copy execute file NT program RCP rsh rshd

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Why does it sometimes take a few seconds for RSHD/NT to execute a program from an rsh or to copy a file from an rcp command?

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This could be due to one of two things. First, it could be due to a slow or inaccessible DNS server if you are using DNS. If you enter a filename in the Security File, Message Log, Request Log, Deny Log, or Error Log fields in the RSHD/NT Control Panel applet, RSHD/NT will attempt to obtain a hostname for the client based on its IP address. If you have specified DNS server(s) in your TCP/IP setup, it will attempt to use them to obtain the hostname. Otherwise, it will use the HOSTS file (e.g. c:\winnt\system32\drivers\etc\hosts). If the DNS server is down, inaccessible, or simply does not know a hostname for the client’s IP address, there could be a long delay before this is determined.