On Thu, Oct 13, 2016 at 12:35 PM, Brandon B. <bbi...@gmail.com> wrote:
> What part of Asterisk 14.0.2 opens the random, high numbered (33094 > currently) UDP port? This port is opened even without any channel drivers > loaded. > > $ sudo netstat -ltunp | grep asterisk > udp 0 0 0.0.0.0:51488 0.0.0.0:* > 13830/asterisk > udp 0 0 0.0.0.0:5060 0.0.0.0:* > 13830/asterisk > udp 0 0 :::42516 :::* > 13830/asterisk > > > Those ports are used by the underlying pjproject DNS resolver. The resolver is always listening on those ports for DNS query responses. 1 for IPV4 and 1 for IPV6. Your firewall should only be allowing responses to flow through to those ports that match outgoing requests. > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > Join the Asterisk Community at the 13th AstriCon, September 27-29, 2016 > http://www.asterisk.org/community/astricon-user-conference > > New to Asterisk? Start here: > https://wiki.asterisk.org/wiki/display/AST/Getting+Started > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users > -- George Joseph Digium, Inc. | Software Developer 445 Jan Davis Drive NW - Huntsville, AL 35806 - US Check us out at: www.digium.com & www.asterisk.org
-- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- Join the Asterisk Community at the 13th AstriCon, September 27-29, 2016 http://www.asterisk.org/community/astricon-user-conference New to Asterisk? Start here: https://wiki.asterisk.org/wiki/display/AST/Getting+Started asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users