Date: Wed, 30 May 2018 10:31:11 -0400 From: "James B. Byrne" <byrnejb@harte-lyne.ca> To: freebsd-questions@freebsd.org Subject: Why is ntp listening on IP address 127.0.31.1 Message-ID: <bc3e1386c16510aba47cf604c479ea38.squirrel@webmail.harte-lyne.ca>
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I have a FreeBSD Bhyve guest that has in its /etc/rc.conf file the following: . . . cloned_interfaces="lo1 lo2" ipv4_addrs_lo1="127.0.31.1/32" ipv4_addrs_lo2="127.0.32.1/32" . . . On the same host I have /etc/ntp.conf configured to listen on specific addresses: interface ignore wildcard interface listen 127.0.0.1 interface listen 192.168.216.18 But following a reboot I discovered this using netstat: udp4 0 0 127.0.0.1.123 *.* udp4 0 0 127.0.31.1.123 *.* udp4 0 0 127.0.32.1.123 *.* udp4 0 0 192.168.216.18.123 *.* udp4 0 0 216.185.71.18.123 *.* Why is ntpd listening on the cloned loopback interfaces? -- *** e-Mail is NOT a SECURE channel *** Do NOT transmit sensitive data via e-Mail Do NOT open attachments nor follow links sent by e-Mail James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3
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