Shaochun Wang wrote: > Danny Mayer wrote: > >> Shaochun Wang wrote: >> >>> The stupid net administrator of my institute blocked all UDP datagram >>> in the firewall. I know that NTP uses UDP to do its work, but is it >>> possible to let ntpd use TCP? >> >> >> No. You cannot "let" ntpd use TCP. NTP is a UDP-only protocol. Talk to >> your net admin. Maybe he can set up a NTP server on the firewall. >> >> Danny > > > But why the following entry exists in /etc/services file? > > ntp 123/tcp # Network Time Protocol >
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