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This is because after a recent update to openssl on CentOS 6, openssl-1.0.1e-30.el6.11.x86_64, programs using this library started to refuse connecting to servers vulnerable to Logjam TLS vulnerability. You need to configure sendmail to use stronger temporary Diffie–Hellman key — at least 1024 bit. It is not the same key that you use in your TLS ...


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The time servers you are using are synced to the same (possibly local) time server. I have seen servers claiming to be stratum 0 or 1 that had time services that were days off the correct time. Depending on where they get there time service they can be of by a few seconds. My ISPs public time server is current off bu 1.8 seconds. Setting the min poll ...


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To answer your specific question, the error on service ntpd restart is caused by your having an empty /etc/ntp/step-tickers file. As you probably know, ntpd won't by default resync a system clock that's more than 20 minutes off, so most ntpd start scripts try to use ntpdate to wrench the system clock into line, before starting ntpd to keep it that way. In ...


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Edit the hosts file of your local machine (or the server running your DNS) to include the following: 192.168.5.25 mycompanysupport The location of your hosts file will vary depending upon your platform. For Windows NT and Windows 2000: C:\winnt\system32\drivers\etc For Windows XP, Windows Vista, Windows 7 or Windows 8: ...



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