Date: Sat, 15 Aug 2020 14:39:37 +0100 From: Arthur Chance <freebsd@qeng-ho.org> To: Ernie Luzar <luzar722@gmail.com>, "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: can a domain name config point to a vlan tag at the host Message-ID: <9a027a2c-3575-25ac-6ccc-0f186a3d6820@qeng-ho.org> In-Reply-To: <5F37E329.3000903@gmail.com> References: <5F37E329.3000903@gmail.com>
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On 15/08/2020 14:29, Ernie Luzar wrote: > I set up vlan for the host interface cabled to the public internet. > How do I drive internet traffic to the desired vlan name on the host > using a registered domain name? > > My rc.conf has this > > ifconfig_re0="DHCP" > gateway_enable="YES" > > vlans_re0="1 2 3" > > # vlan_1 is for the host > # vlan_2 is for vnet jailA > # vlan_3 is for vnet jailB > > Final goal is to drive traffic from the public internet using a fqdn to > the vnet jailA. I strongly suggest you read up more about networking because it's obvious you don't really understand it. All network traffic goes to *IP addresses* not domains. DNS says what addresses to use for a specific domain, but *all* connection attempts, whatever the protocol, are to a specific numeric IP address. Yes, protocols like HTTP then accept a host specification for further "routing" but that happens *after* the initial connection is made. If you want to run N jails with N different domains, all with their own traffic to arbitrary ports, you are going to need at least N different IP addresses. -- The number of people predicting the demise of Moore's Law doubles every 18 months.
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