Re: default local DNS caching name server

2014-07-13 Thread Paul Wouters
On Sun, 13 Jul 2014, quickbooks office wrote: DNS over SSL does NOT work - I get no connectivity whatsoever after following the below steps. Tracking bug at https://bugzilla.redhat.com/show_bug.cgi?id=1119050 Can you please tell me what am I doing wrong? There seems to be some regression with

Re: default local DNS caching name server

2014-07-13 Thread quickbooks office
DNS over SSL does NOT work - I get no connectivity whatsoever after following the below steps. Tracking bug at https://bugzilla.redhat.com/show_bug.cgi?id=1119050 Can you please tell me what am I doing wrong? @ https://fedoraproject.org/wiki/Test_Day:2012-12-11_Network_Manager_and_DNSSEC it say

Re: default local DNS caching name server

2014-04-25 Thread Petr Spacek
On 25.4.2014 18:19, Simo Sorce wrote: On Fri, 2014-04-25 at 09:56 -0600, Pete Zaitcev wrote: On Thu, 10 Apr 2014 10:41:54 -0400 Chuck Anderson wrote: [...] We need an independent, system-wide DNS cache, and always point resolv.conf to 127.0.0.1 to solve this fundamental design problem with h

Re: default local DNS caching name server

2014-04-25 Thread Simo Sorce
On Fri, 2014-04-25 at 09:56 -0600, Pete Zaitcev wrote: > On Thu, 10 Apr 2014 10:41:54 -0400 > Chuck Anderson wrote: > > > [...] We need an independent, > > system-wide DNS cache, and always point resolv.conf to 127.0.0.1 to > > solve this fundamental design problem with how name resolution works

Re: default local DNS caching name server

2014-04-25 Thread Pete Zaitcev
On Thu, 10 Apr 2014 10:41:54 -0400 Chuck Anderson wrote: > [...] We need an independent, > system-wide DNS cache, and always point resolv.conf to 127.0.0.1 to > solve this fundamental design problem with how name resolution works > on a Linux system. Windows has had a default system-wide DNS ca

Re: default local DNS caching name server: test it right now and report bugs

2014-04-18 Thread P J P
   Hi, > On Tuesday, 15 April 2014 4:02 PM, Petr Spacek wrote: > We need real data. Please see -> https://www.piratepad.ca/p/dnssec-requisites-configurations I've collected the major functionalities people wish to have with a default DNS resolver along with couple of 'unbound' configurations th

Re: default local DNS caching name server: test it right now and report bugs

2014-04-15 Thread P J P
   Hello Petr, > On Tuesday, 15 April 2014 4:02 PM, Petr Spacek wrote: > Instructions for testing on Fedora 20+ are available on: > https://fedoraproject.org/wiki/Changes/Default_Local_DNS_Resolver#How_To_Test > > Please, run dnssec-trigger and let exclamations like "It can't possibly > work!"  

Re: default local DNS caching name server: test it right now and report bugs

2014-04-15 Thread Petr Spacek
On 12.4.2014 17:25, Reindl Harald wrote: Am 12.04.2014 17:11, schrieb Paul Wouters: On Sat, 12 Apr 2014, Reindl Harald wrote: "we" should not do anything - because "we" don't have a clue about the network of the enduser We know and handle a lot more than you think already using unbound with

Re: default local DNS caching name server

2014-04-14 Thread Paul Wouters
On Mon, 14 Apr 2014, Juan Orti Alcaine wrote: One thing I would like to note is that in machines which don't have a hardware clock, I had problems starting bind and unbound, because the date was back to 1970 in each boot, so the root dns key was not yet valid and there were no valid dns resolv

Re: default local DNS caching name server

2014-04-14 Thread Andrew Lutomirski
On Mon, Apr 14, 2014 at 9:06 AM, Dan Williams wrote: > On Mon, 2014-04-14 at 12:00 -0400, Paul Wouters wrote: >> On Mon, 14 Apr 2014, Dan Williams wrote: >> >> > But another scenario I've seen: older Netgear routers which intercept >> > "www.routerlogin.net" as the setup page. The instructions l

Re: default local DNS caching name server

2014-04-14 Thread Paul Wouters
On Mon, 14 Apr 2014, Dan Williams wrote: Ok, that could be a problem. This is a user setting up wifi on a router they just bought, so it has no upstream connection yet, is not yet configured at all, and they are just following the directions in the printed brochure they got with the router. Wh

Re: default local DNS caching name server

2014-04-14 Thread Paul Wouters
On Tue, 15 Apr 2014, William Brown wrote: How do you setup DNS over TLS? Unbound has this capability already build in. unbound-control activates via (currently via dnssec-triggerd, in the future via NM) using the keywords tcp-upstream or ssl-upstream. I meant for say bind, but okay. bind d

Re: default local DNS caching name server

2014-04-14 Thread Dan Williams
On Mon, 2014-04-14 at 12:00 -0400, Paul Wouters wrote: > On Mon, 14 Apr 2014, Dan Williams wrote: > > > But another scenario I've seen: older Netgear routers which intercept > > "www.routerlogin.net" as the setup page. The instructions literally > > are: > > > > 1) connect your computer to the r

Re: default local DNS caching name server

2014-04-14 Thread Paul Wouters
On Mon, 14 Apr 2014, Dan Williams wrote: But another scenario I've seen: older Netgear routers which intercept "www.routerlogin.net" as the setup page. The instructions literally are: 1) connect your computer to the router with a cable 2) go to www.routerlogin.net 3) follow the setup guide in

Re: default local DNS caching name server

2014-04-14 Thread Dan Williams
On Mon, 2014-04-14 at 10:21 -0400, Paul Wouters wrote: > > Or how would you suggest this is solved. For arguments sake lets > > say: > > > > SSID: myawesomeopenhotspot > > DHCP provides no domain-name info. > > I CNAME all records to my.hotspot. until authenticated. > > If this does not do http(s)

Re: default local DNS caching name server

2014-04-14 Thread William Brown
> > >> unbound does not really care about transparent proxy's on port 53. As > >> long as they don't break DNS (and DNSSEC). If they redirect port 53 to > >> some broken DNS server, unbound will try to work around it. If port 53 > >> is broken it will attempt DNS over port 80 of various fedorapro

Re: default local DNS caching name server

2014-04-14 Thread Paul Wouters
On Mon, 14 Apr 2014, William Brown wrote: This seems like a sane(ish) method of doing this. What happens if the hotspot page is down? Why not use a mirror-like setup with yum where you try 2 or 3 mirrors and if they fail then you declare it to be a portal? It has multiple A records matching th

Re: default local DNS caching name server

2014-04-14 Thread Chuck Anderson
On Mon, Apr 14, 2014 at 02:07:07PM +0200, Juan Orti Alcaine wrote: > One thing I would like to note is that in machines which don't have > a hardware clock, I had problems starting bind and unbound, because > the date was back to 1970 in each boot, so the root dns key was not > yet valid and there

Re: default local DNS caching name server

2014-04-14 Thread Juan Orti Alcaine
One thing I would like to note is that in machines which don't have a hardware clock, I had problems starting bind and unbound, because the date was back to 1970 in each boot, so the root dns key was not yet valid and there were no valid dns resolvers to update time by ntp. I had to hardcode so

Re: default local DNS caching name server

2014-04-13 Thread William Brown
On Mon, 2014-04-14 at 00:42 -0400, Paul Wouters wrote: > On Mon, 14 Apr 2014, William Brown wrote: > > > What is a "captivity-sign" as you so put it? > > Check for clean port 80. It fetches the url specified in > dnssec-triggerd.conf's url: option > (default http://fedoraproject.org/static/hotspo

Re: default local DNS caching name server

2014-04-13 Thread Paul Wouters
On Mon, 14 Apr 2014, William Brown wrote: What is a "captivity-sign" as you so put it? Check for clean port 80. It fetches the url specified in dnssec-triggerd.conf's url: option (default http://fedoraproject.org/static/hotspot.txt) If it returns a redirect or a page that does not contain the

Re: default local DNS caching name server

2014-04-13 Thread William Brown
> > But you can't account for every captive portal in the world. This is why > > the cache is a bad idea, because you can't possibly account for every > > system that is captive like this. > > Yes we can by monitoring for "captivity signs" when a new network is > joined. Again, please yum install

Re: default local DNS caching name server

2014-04-13 Thread Colin Walters
On Sun, Apr 13, 2014 at 10:18 AM, Richard W.M. Jones wrote: Unfortunately NetworkManager can't handle brief network outages without dropping the connection (RHBZ#1022954 comment 3). This isn't desirable for servers that have ethernet and fixed IP addresses. NetworkManager-config-server fixes

Re: default local DNS caching name server

2014-04-13 Thread Paul Wouters
On Sun, 13 Apr 2014, Richard W.M. Jones wrote: So you've gone out of your way to run a daemon but prevent it from working as configured, instead of just reconfiguring it to do what you need. I have to go out of my way to *stop* NetworkManager from running and to configure a fixed IP address.

Re: default local DNS caching name server

2014-04-13 Thread Simo Sorce
NM developer and never even contributed to the project with patches (yet). You don't like it, fine, but let's not come up with the old trite anecdata every time someone mentions NM, it's not useful and derails the conversation to useless bikeshedding. I'd rather go back to th

Re: default local DNS caching name server

2014-04-13 Thread Simo Sorce
On Sun, 2014-04-13 at 16:39 +0930, William Brown wrote: > On Sun, 2014-04-13 at 02:53 -0400, Simo Sorce wrote: > > On Sun, 2014-04-13 at 16:10 +0930, William Brown wrote: > > > > > A system wide resolver I am not opposed to. I am against a system wide > > > *caching* resolver. > > > > > In this

Re: default local DNS caching name server

2014-04-13 Thread Richard W.M. Jones
On Sat, Apr 12, 2014 at 04:12:41PM -0400, Simo Sorce wrote: > So you've gone out of your way to run a daemon but prevent it from > working as configured, instead of just reconfiguring it to do what you > need. I have to go out of my way to *stop* NetworkManager from running and to configure a fixe

Re: default local DNS caching name server

2014-04-13 Thread Simo Sorce
On Sun, 2014-04-13 at 16:29 +0930, William Brown wrote: > > That depends. You need caching for DNSSEC validation, so really, > every > > device needs a cache, unless you want to outsource your DNSSEC > > validation over an insecure transport (LAN). That seems like a very > bad > > idea. > > If you

Re: default local DNS caching name server

2014-04-13 Thread Paul Wouters
On Sun, 13 Apr 2014, William Brown wrote: PS: It also seemed like the proposal was to *bypass* the networks provided forwarders from DHCP. This *is* a serious issue if it's the case. We only bypass DHCP provided forwarders that are broken. We actually WANT to use them as much as possible, beca

Re: default local DNS caching name server

2014-04-13 Thread Paul Wouters
On Sun, 13 Apr 2014, William Brown wrote: Yes. It depends on the "trustworthiness" of the network and or preconfiguration of some of your own networks you join. Not really: Every network you join, you have to semi-trust. If you don't trust it, why did you join it? You don't always control wh

Re: default local DNS caching name server

2014-04-13 Thread Frank Ch. Eigler
william wrote: > [...] > Internal and external zone views in a business. These records may > different, and so would need flushing between network interface state > changes. Sure, let's make it easy to restart the cache upon such transitions. > Additionally, local DNS caches may issues and dela

Re: default local DNS caching name server

2014-04-13 Thread Björn Persson
William Brown wrote: >In businesses, it's also common place to have a low-ish ttl (Say 5 >minutes) and when a system is migrated, they swap the A/ records to >the new system. The dns servers on the network are updated, but the >workstation has the old record cached. Without a local cache, they

Re: default local DNS caching name server

2014-04-13 Thread Björn Persson
William Brown wrote: >> The cache is never fully flushed. It is only flushed for the domain >> obtained via DHCP or VPN, because those entries can change. They are >> not changed for anything else. If the upstream ISP could have >> spoofed them, so be it - the publisher of the domains could have >>

Re: default local DNS caching name server

2014-04-13 Thread William Brown
On Sun, 2014-04-13 at 16:39 +0930, William Brown wrote: > On Sun, 2014-04-13 at 02:53 -0400, Simo Sorce wrote: > > On Sun, 2014-04-13 at 16:10 +0930, William Brown wrote: > > > > > A system wide resolver I am not opposed to. I am against a system wide > > > *caching* resolver. > > > > > In this

Re: default local DNS caching name server

2014-04-13 Thread William Brown
On Sun, 2014-04-13 at 02:53 -0400, Simo Sorce wrote: > On Sun, 2014-04-13 at 16:10 +0930, William Brown wrote: > > > A system wide resolver I am not opposed to. I am against a system wide > > *caching* resolver. > > > In this case, a cache *is* helpful, as is DNSSEC. But for the other 6, a > > c

Re: default local DNS caching name server

2014-04-12 Thread William Brown
> > > Proposal is to add a local caching DNS server to fedora systems. This > > may or may not accept a DHCP provided forwarder(?). > > Yes. It depends on the "trustworthiness" of the network and or > preconfiguration of some of your own networks you join. Not really: Every network you join, yo

Re: default local DNS caching name server

2014-04-12 Thread Reindl Harald
Am 13.04.2014 08:42, schrieb Simo Sorce: * DNS cache should be flushed on route or interface state change. > > I do not see why, the only reason to flush a cache is when there is a > DNS change (new interface, eg VPN coming up, or going away) because if i change my routing from ISP to VPN i

Re: default local DNS caching name server

2014-04-12 Thread Simo Sorce
On Sun, 2014-04-13 at 16:10 +0930, William Brown wrote: > A system wide resolver I am not opposed to. I am against a system wide > *caching* resolver. > In this case, a cache *is* helpful, as is DNSSEC. But for the other 6, a > cache is a severe detriment. About the above 2, can you explain *w

Re: default local DNS caching name server

2014-04-12 Thread Simo Sorce
On Sun, 2014-04-13 at 00:52 -0400, Felix Miata wrote: > On 2014-04-12 16:12 (GMT-0400) Simo Sorce composed: > > On Sat, 2014-04-12 at 13:11 -0400, Felix Miata wrote: > >> I've been doing that myself for years on installations that think my > >> ethernet-only non-wireless LAN host connections need "

Re: default local DNS caching name server

2014-04-12 Thread Simo Sorce
On Sun, 2014-04-13 at 06:35 +0200, Reindl Harald wrote: > and if you believe that in a not trustable network you don't > know if you get the signing informations at all - fine, but > you hardly an enforce that with a local software That is the WHOLE point of DNSSEC, really. > if i control the ne

Re: default local DNS caching name server

2014-04-12 Thread William Brown
On Sat, 2014-04-12 at 17:46 -0700, Andrew Lutomirski wrote: > On Sat, Apr 12, 2014 at 5:18 PM, William Brown > wrote: > > > >> Now can we go back to actually discussion technical arguments again? > > > > Actually no. > > > > This whole thread has forgotten one major thing ... use cases. > > > > P

Re: default local DNS caching name server

2014-04-12 Thread Felix Miata
On 2014-04-12 16:12 (GMT-0400) Simo Sorce composed: On Sat, 2014-04-12 at 13:11 -0400, Felix Miata wrote: On 2014-04-12 11:01 (GMT-0400) Paul Wouters composed: > Chuck Anderson wrote: >> Maybe we should set the file to be immutable after setting it to 127.0.0.1: >> chattr +i /etc/res

Re: default local DNS caching name server

2014-04-12 Thread Reindl Harald
Am 13.04.2014 03:07, schrieb Paul Wouters: > On Sun, 13 Apr 2014, William Brown wrote: >> When they change records in their local zones, they don't want >> to have to flush caches etc. If their ISP is unreliable, or their own >> DNS is unreliable, a DNS cache will potentially mask this issue dela

Re: default local DNS caching name server

2014-04-12 Thread Paul Wouters
On Sun, 13 Apr 2014, William Brown wrote: Now can we go back to actually discussion technical arguments again? Actually no. This whole thread has forgotten one major thing ... use cases. That was in response to someone using appeal of authority statements, not factual discussions. Proposa

Re: default local DNS caching name server

2014-04-12 Thread Andrew Lutomirski
On Sat, Apr 12, 2014 at 5:18 PM, William Brown wrote: > >> Now can we go back to actually discussion technical arguments again? > > Actually no. > > This whole thread has forgotten one major thing ... use cases. > > Proposal is to add a local caching DNS server to fedora systems. This > may or may

Re: default local DNS caching name server

2014-04-12 Thread William Brown
> Now can we go back to actually discussion technical arguments again? Actually no. This whole thread has forgotten one major thing ... use cases. Proposal is to add a local caching DNS server to fedora systems. This may or may not accept a DHCP provided forwarder(?). Case 1: Standard home

Re: default local DNS caching name server

2014-04-12 Thread Simo Sorce
On Sat, 2014-04-12 at 13:11 -0400, Felix Miata wrote: > On 2014-04-12 11:01 (GMT-0400) Paul Wouters composed: > > > Chuck Anderson wrote: > > >> Maybe we should set the file to be immutable after setting it to 127.0.0.1: > > >> chattr +i /etc/resolv.conf > > > That is the trick currently used b

Re: default local DNS caching name server

2014-04-12 Thread Simo Sorce
On Sat, 2014-04-12 at 13:04 -0400, Chuck Anderson wrote: > On Sat, Apr 12, 2014 at 12:06:23PM -0400, Paul Wouters wrote: > > On Sat, 12 Apr 2014, Chuck Anderson wrote: > > > > >Okay, so here is where you and I differ then. We need a solution to > > >run everywhere, on every system, in every use c

Re: default local DNS caching name server

2014-04-12 Thread Felix Miata
On 2014-04-12 11:01 (GMT-0400) Paul Wouters composed: Chuck Anderson wrote: Maybe we should set the file to be immutable after setting it to 127.0.0.1: chattr +i /etc/resolv.conf That is the trick currently used by dnssec-triggerd to prevent other applications from messing with that fil

Re: default local DNS caching name server

2014-04-12 Thread Chuck Anderson
On Sat, Apr 12, 2014 at 12:06:23PM -0400, Paul Wouters wrote: > On Sat, 12 Apr 2014, Chuck Anderson wrote: > > >Okay, so here is where you and I differ then. We need a solution to > >run everywhere, on every system, in every use case. > > Sounds like wanting ponies? Obviously I fully agree with

Re: default local DNS caching name server

2014-04-12 Thread Paul Wouters
On Sat, 12 Apr 2014, Chuck Anderson wrote: Okay, so here is where you and I differ then. We need a solution to run everywhere, on every system, in every use case. Sounds like wanting ponies? Obviously I fully agree with a solution that works everywhere, all the time, for everyone, however the

Re: default local DNS caching name server

2014-04-12 Thread Chuck Anderson
On Sat, Apr 12, 2014 at 04:40:50PM +0100, Richard W.M. Jones wrote: > On Sat, Apr 12, 2014 at 11:01:20AM -0400, Paul Wouters wrote: > > On Sat, 12 Apr 2014, Chuck Anderson wrote: > > >Maybe we should set the file to be immutable after setting it to 127.0.0.1: > > > > > >chattr +i /etc/resolv.conf >

Re: default local DNS caching name server

2014-04-12 Thread Chuck Anderson
On Sat, Apr 12, 2014 at 11:05:21AM -0400, Paul Wouters wrote: > On Sat, 12 Apr 2014, Reindl Harald wrote: > > >nonsense - there are so much ISP nameservers broken out there > >responding with wildcards and so on that you can not trust them > >and you will realize that if not before after you start

Re: default local DNS caching name server

2014-04-12 Thread Paul Wouters
On Sat, 12 Apr 2014, Richard W.M. Jones wrote: chattr +i /etc/resolv.conf That is the trick currently used by dnssec-triggerd to prevent other applications from messing with that file. Oh crap, that means I'm going to need a "really really don't touch this file" flag, perhaps a one-way flag

Re: default local DNS caching name server

2014-04-12 Thread Richard W.M. Jones
On Sat, Apr 12, 2014 at 11:01:20AM -0400, Paul Wouters wrote: > On Sat, 12 Apr 2014, Chuck Anderson wrote: > >Maybe we should set the file to be immutable after setting it to 127.0.0.1: > > > >chattr +i /etc/resolv.conf > > That is the trick currently used by dnssec-triggerd to prevent other > app

Re: default local DNS caching name server

2014-04-12 Thread Reindl Harald
Am 12.04.2014 17:21, schrieb Paul Wouters: > On Sat, 12 Apr 2014, Reindl Harald wrote: > >>> That's wrong. a DNS server can use a forwareder for some or all of its >>> recursive queries. unbound+dnssec-triggerd mostly cause unbound to do >>> full recursion but using the ISP nameserver as forward

Re: default local DNS caching name server

2014-04-12 Thread Reindl Harald
Am 12.04.2014 17:11, schrieb Paul Wouters: > On Sat, 12 Apr 2014, Reindl Harald wrote: > >> "we" should not do anything - because "we" don't have a clue about the >> network of the enduser > > We know and handle a lot more than you think already using unbound with > dnssec-trigger and VPNs. Why

Re: default local DNS caching name server

2014-04-12 Thread Paul Wouters
On Sat, 12 Apr 2014, Reindl Harald wrote: That's wrong. a DNS server can use a forwareder for some or all of its recursive queries. unbound+dnssec-triggerd mostly cause unbound to do full recursion but using the ISP nameserver as forward for all queries. oh no - please try to understand what r

Re: default local DNS caching name server

2014-04-12 Thread Reindl Harald
Am 12.04.2014 17:05, schrieb Paul Wouters: > On Sat, 12 Apr 2014, Reindl Harald wrote: > >> nonsense - there are so much ISP nameservers broken out there >> responding with wildcards and so on that you can not trust them >> and you will realize that if not before after you started to run >> a pr

Re: default local DNS caching name server

2014-04-12 Thread Paul Wouters
On Sat, 12 Apr 2014, Reindl Harald wrote: "we" should not do anything - because "we" don't have a clue about the network of the enduser We know and handle a lot more than you think already using unbound with dnssec-trigger and VPNs. Why don't you give it a shot and give us some feedback on how

Re: default local DNS caching name server

2014-04-12 Thread Paul Wouters
On Sat, 12 Apr 2014, Chuck Anderson wrote: I don't disagree that there is lots of broken DNS out there. But realistically, we still need to default to using the DHCP-provided DNS servers as forwarders because there are unfortunately lots of circumstances where this is required to resolve corpor

Re: default local DNS caching name server

2014-04-12 Thread Paul Wouters
On Sat, 12 Apr 2014, Reindl Harald wrote: nonsense - there are so much ISP nameservers broken out there responding with wildcards and so on that you can not trust them and you will realize that if not before after you started to run a production mailserver which relies on NXDOMAIN responses for

Re: default local DNS caching name server

2014-04-12 Thread Reindl Harald
Am 12.04.2014 16:55, schrieb Paul Wouters: > On Sat, 12 Apr 2014, Reindl Harald wrote: > >> a DNS server doing recursion don't ask any forwarder > > That's wrong. a DNS server can use a forwareder for some or all of its > recursive queries. unbound+dnssec-triggerd mostly cause unbound to do > f

Re: default local DNS caching name server

2014-04-12 Thread Paul Wouters
On Sat, 12 Apr 2014, Chuck Anderson wrote: I'm proposing that /etc/resolv.conf is never re-written under any circumstances. A local caching resolver should ALWAYS be used and resolv.conf should ALWAYS say: nameserver 127.0.0.1 Cheers. That's a goal I share with you, but... All the "magic"

Re: default local DNS caching name server

2014-04-12 Thread Paul Wouters
On Sat, 12 Apr 2014, Reindl Harald wrote: a DNS server doing recursion don't ask any forwarder That's wrong. a DNS server can use a forwareder for some or all of its recursive queries. unbound+dnssec-triggerd mostly cause unbound to do full recursion but using the ISP nameserver as forward for

Re: default local DNS caching name server

2014-04-12 Thread Paul Wouters
On Sat, 12 Apr 2014, William Brown wrote: I should clarify. I cache the record foo.work.com from the office, and it resolves differently externally. When I go home, it no longer resolves to the external IP as I'm using the internally acquired record from cache. This currently works for the VPN

Re: default local DNS caching name server

2014-04-12 Thread Reindl Harald
Am 12.04.2014 16:16, schrieb Chuck Anderson: > On Sat, Apr 12, 2014 at 04:03:14PM +0200, Reindl Harald wrote: >> Am 12.04.2014 15:31, schrieb Chuck Anderson: >>> I disagree. You can still do DNSSEC validation with a local caching >>> resolver and configure that local resolver to forward all queri

Re: default local DNS caching name server

2014-04-12 Thread Chuck Anderson
On Sat, Apr 12, 2014 at 04:03:14PM +0200, Reindl Harald wrote: > > > Am 12.04.2014 15:31, schrieb Chuck Anderson: > > On Sat, Apr 12, 2014 at 02:09:19PM +0800, P J P wrote: > >>> On Saturday, 12 April 2014 11:11 AM, William Brown wrote: > >>> Say I have freshly installed my fedora system at home.

Re: default local DNS caching name server

2014-04-12 Thread Bruno Wolff III
On Sat, Apr 12, 2014 at 09:38:03 -0400, Chuck Anderson wrote: You cannot rely on DNS2 and DNS3 to be queried UNLESS DNS1=127.0.0.1 fails to respond. This might be a way to mitigate failure of the local caching resolver process, but it is not a way to ensure the ability to resolve internal na

Re: default local DNS caching name server

2014-04-12 Thread Reindl Harald
Am 12.04.2014 15:31, schrieb Chuck Anderson: > On Sat, Apr 12, 2014 at 02:09:19PM +0800, P J P wrote: >>> On Saturday, 12 April 2014 11:11 AM, William Brown wrote: >>> Say I have freshly installed my fedora system at home. I then boot it up >>> and start to use it. My laptop is caching DNS result

Re: default local DNS caching name server

2014-04-12 Thread Chuck Anderson
On Sat, Apr 12, 2014 at 12:38:41PM +0930, William Brown wrote: > I agree with the goal to add DNSSEC (Despite it's flaws). However, a > caching DNS server can create many headaches without a number of > considerations. > > First, it should be easily possible to clear / invalidate the cache for > a

Re: default local DNS caching name server

2014-04-12 Thread Chuck Anderson
On Sat, Apr 12, 2014 at 01:22:32PM +0800, P J P wrote: > > On Saturday, 12 April 2014 7:38 AM, Simo Sorce wrote: > > Not true, in many networks you want it, for example in corporate > > networks. You really want to be able to resolve the local resources and > > they are only resolvable if you consu

Re: default local DNS caching name server

2014-04-12 Thread Chuck Anderson
On Sat, Apr 12, 2014 at 02:09:19PM +0800, P J P wrote: > > On Saturday, 12 April 2014 11:11 AM, William Brown wrote: > > Say I have freshly installed my fedora system at home. I then boot it up > > and start to use it. My laptop is caching DNS results all the while from > > the "unreliable" ISP. >

Re: default local DNS caching name server

2014-04-12 Thread Chuck Anderson
On Fri, Apr 11, 2014 at 10:44:31PM -0400, Paul Wouters wrote: > On Fri, 11 Apr 2014, Simo Sorce wrote: > > >>I hope the NM integration will show up at some point. It's really a > >>pretty nice setup. > > > >I am using it too successfully. Only occasionally unbound seem to get > >confused, not clea

Re: default local DNS caching name server

2014-04-12 Thread P J P
> On Saturday, 12 April 2014 4:55 PM, William Brown wrote: > This isn't how DNS works . You populate your cache from the ISP, who > queries above them and so on up to the root server. > http://technet.microsoft.com/en-us/library/cc961401.aspx   Hmmn. There are two ways a local resolver can b

Re: default local DNS caching name server

2014-04-12 Thread Reindl Harald
Am 12.04.2014 13:25, schrieb William Brown: >>> Consider, I get home, and open my laptop. Cache is cleared, >>> and I'm now populating that cache with the contents from the ISP. >> >> No, why contents from ISP? Local resolver will populate cache from root >> servers, no? > > This isn't how DNS

Re: default local DNS caching name server

2014-04-12 Thread William Brown
> > > Consider, I get home, and open my laptop. Cache is cleared, > > and I'm now populating that cache with the contents from the ISP. > > No, why contents from ISP? Local resolver will populate cache from root > servers, no? This isn't how DNS works . You populate your cache from the I

Re: default local DNS caching name server

2014-04-12 Thread P J P
> On Saturday, 12 April 2014 12:41 PM, William Brown wrote: > PS: The unreliable ISP I perceive as: > 1) They often return no query within an acceptable time period > 2) They return invalid or incorrect zone data > 3) They mess with TTLs or other zone data   Right. > Consider, I get home, and ope

Re: default local DNS caching name server

2014-04-12 Thread William Brown
On Sat, 2014-04-12 at 14:09 +0800, P J P wrote: > > On Saturday, 12 April 2014 11:11 AM, William Brown wrote: > > Say I have freshly installed my fedora system at home. I then boot it up > > and start to use it. My laptop is caching DNS results all the while from > > the "unreliable" ISP. > > PS:

Re: default local DNS caching name server

2014-04-12 Thread William Brown
On Sat, 2014-04-12 at 14:09 +0800, P J P wrote: > > On Saturday, 12 April 2014 11:11 AM, William Brown wrote: > > Say I have freshly installed my fedora system at home. I then boot it up > > and start to use it. My laptop is caching DNS results all the while from > > the "unreliable" ISP. > > > >

Re: default local DNS caching name server

2014-04-11 Thread P J P
> On Saturday, 12 April 2014 11:11 AM, William Brown wrote: > Say I have freshly installed my fedora system at home. I then boot it up > and start to use it. My laptop is caching DNS results all the while from > the "unreliable" ISP. > > I then go to work and suddenly things don't work. > > Havin

Re: default local DNS caching name server

2014-04-11 Thread Bruno Wolff III
On Sat, Apr 12, 2014 at 15:11:35 +0930, William Brown wrote: That makes no sense. Say I have freshly installed my fedora system at home. I then boot it up and start to use it. My laptop is caching DNS results all the while from the "unreliable" ISP. I then go to work and suddenly things don

Re: default local DNS caching name server

2014-04-11 Thread William Brown
On Sat, 2014-04-12 at 13:35 +0800, P J P wrote: > > On Saturday, 12 April 2014 10:33 AM, P J P wrote: > > >> On Saturday, 12 April 2014 2:13 AM, Paul Wouters wrote:> > >> It's rude to bypass the global DNS caching infrastructure. That would > >> significantly load people's DNS servers with more qu

Re: default local DNS caching name server

2014-04-11 Thread P J P
> On Saturday, 12 April 2014 10:33 AM, P J P wrote: > >> On Saturday, 12 April 2014 2:13 AM, Paul Wouters wrote:> >> It's rude to bypass the global DNS caching infrastructure. That would >> significantly load people's DNS servers with more queries. There is no >> reason not to try and use ISP's DN

Re: default local DNS caching name server

2014-04-11 Thread P J P
> On Saturday, 12 April 2014 7:38 AM, Simo Sorce wrote: > Not true, in many networks you want it, for example in corporate > networks. You really want to be able to resolve the local resources and > they are only resolvable if you consult the local DNS as provided to you > by DHCP.   True. The loc

Re: default local DNS caching name server

2014-04-11 Thread P J P
> On Saturday, 12 April 2014 3:55 AM, Chuck Anderson wrote: > I think there needs to be more emphasis on the /other/ benefit, the > whole reason I brought this up this time:   Sure; I tried to cover it in the detailed description as === ...Apart from trust, these name servers are often known to b

Re: default local DNS caching name server

2014-04-11 Thread P J P
   Hello Kevin, Paul > On Saturday, 12 April 2014 2:16 AM, Kevin Fenzi wrote: >> I've been running this solution on fedora for about five years now. It >> works reasonably well, and anyone who is on this list surely has could >> try it out. Because of lack of NM integration I would not call it >>

Re: default local DNS caching name server

2014-04-11 Thread P J P
> On Saturday, 12 April 2014 2:13 AM, Paul Wouters wrote:> > It's rude to bypass the global DNS caching infrastructure. That would > significantly load people's DNS servers with more queries. There is no > reason not to try and use ISP's DNS caches.   You mean let local resolver forward queries t

Re: default local DNS caching name server

2014-04-11 Thread William Brown
On Sat, 2014-04-12 at 02:33 +0800, P J P wrote: > Hello, > > > On Thursday, 10 April 2014 11:39 PM, P J P wrote: > > I plan to file a feature/change request for this one. I got caught up with > > other > > work this past week so could not do it. Will start with it right away. > > Please se

Re: default local DNS caching name server

2014-04-11 Thread Paul Wouters
On Fri, 11 Apr 2014, Simo Sorce wrote: I hope the NM integration will show up at some point. It's really a pretty nice setup. I am using it too successfully. Only occasionally unbound seem to get confused, not clear when, it doesn't happen more than twice a month and systemctl restart unbound.

Re: default local DNS caching name server

2014-04-11 Thread Simo Sorce
On Fri, 2014-04-11 at 14:45 -0600, Kevin Fenzi wrote: > On Fri, 11 Apr 2014 16:39:34 -0400 (EDT) > Paul Wouters wrote: > > ...snip... > > > I've been running this solution on fedora for about five years now. It > > works reasonably well, and anyone who is on this list surely has could > > try it

Re: default local DNS caching name server

2014-04-11 Thread Simo Sorce
On Fri, 2014-04-11 at 15:22 -0500, Bruno Wolff III wrote: > On Fri, Apr 11, 2014 at 14:21:30 -0500, >Dan Williams wrote: > > > >NM in F20+ already has a "dns=none" option that prevents NM from > >touching resolv.conf, but obviously if NM isn't touching it, the DNS > >information that NM gets f

Re: default local DNS caching name server

2014-04-11 Thread Paul Wouters
On Fri, 11 Apr 2014, Bruno Wolff III wrote: Second, I still don't understand the point. Are you suggesting it is better to believe all DNS lies than to not know where the lies lead? Not better. That DNSSEC doesn't really solve everythin one might want it to. And hence one might want to avoid

Re: default local DNS caching name server

2014-04-11 Thread Bruno Wolff III
On Fri, Apr 11, 2014 at 18:44:21 -0400, Paul Wouters wrote: First, TTLs you receive from a forwarder can always be manipulated, even with DNSSEC - otherwise caching wouldn't work. Second, I still don't understand the point. Are you suggesting it is better to believe all DNS lies than to not

Re: default local DNS caching name server

2014-04-11 Thread Paul Wouters
On Fri, 11 Apr 2014, Bruno Wolff III wrote: I'm not sure what you are trying to say here. It was a comment about ISPs changing TTLs (or other things). DNSSEC can be used to tell you the data might not be authoritative, but doesn't tell you what the correct information is. First, TTLs you r

Re: default local DNS caching name server

2014-04-11 Thread Chuck Anderson
On Sat, Apr 12, 2014 at 02:33:59AM +0800, P J P wrote: >   Hello, > > > On Thursday, 10 April 2014 11:39 PM, P J P wrote: > > I plan to file a feature/change request for this one. I got caught up with > > other > > work this past week so could not do it. Will start with it right away. > >   Pl

Re: default local DNS caching name server

2014-04-11 Thread Dan Williams
On Fri, 2014-04-11 at 14:45 -0600, Kevin Fenzi wrote: > On Fri, 11 Apr 2014 16:39:34 -0400 (EDT) > Paul Wouters wrote: > > ...snip... > > > I've been running this solution on fedora for about five years now. It > > works reasonably well, and anyone who is on this list surely has could > > try it

Re: default local DNS caching name server

2014-04-11 Thread Bruno Wolff III
On Fri, Apr 11, 2014 at 17:46:29 -0400, Paul Wouters wrote: I'm not sure what you are trying to say here. It was a comment about ISPs changing TTLs (or other things). DNSSEC can be used to tell you the data might not be authoritative, but doesn't tell you what the correct information is.

Re: default local DNS caching name server

2014-04-11 Thread Paul Wouters
On Fri, 11 Apr 2014, Bruno Wolff III wrote: If you don't know there is an exception for a domain (eg at the other end of a VPN) than you will get the public answers and might not get where you need to go. Additionally, with DNSSEC there is the problem that the public view cryptographically prove

Re: default local DNS caching name server

2014-04-11 Thread Paul Wouters
On Fri, 11 Apr 2014, Chris Adams wrote: Once upon a time, Bruno Wolff III said: The advantage of using your dns server is that you know what you're getting. You'll also lose almost all content-delivery network advantages (most of that is mapped to "close" servers with DNS). Another reason

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