Re: paypal.com DNSKEY no valid signature found

2022-03-18 Thread lejeczek via bind-users




On 18/03/2022 14:36, Daniel Stirnimann wrote:

You might use an operating system / crypto library which do not support
SHA1 anymore. paypal.com is signed with RSASHA1.

See warnings on https://dnsviz.net/d/paypal.com/YjSWxg/dnssec/

Just curious what answer to you get from your resolver?
servfail or a missing ad-bit?

Daniel

On 18.03.22 15:25, lejeczek via bind-users wrote:

Hi guys

how to troubleshoot that?
...
18-Mar-2022 14:17:41.725 warning: EVP_VerifyFinal failed
(verify failure)
18-Mar-2022 14:17:41.725 info: error:0398:digital
envelope routines::invalid digest:crypto/evp/pmeth_lib.c:959:
18-Mar-2022 14:17:41.725 info: validating paypal.com/DNSKEY:
no valid signature found
...
I'd imagine must some up-the-chain servers doing something
there - my local 'bind' does not point/use any specific
forwarders.

many thanks, L.

It is SERVFAIL
9.16.23-RH on centOS 9

many thanks, L
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paypal.com DNSKEY no valid signature found

2022-03-18 Thread lejeczek via bind-users

Hi guys

how to troubleshoot that?
...
18-Mar-2022 14:17:41.725 warning: EVP_VerifyFinal failed 
(verify failure)
18-Mar-2022 14:17:41.725 info: error:0398:digital 
envelope routines::invalid digest:crypto/evp/pmeth_lib.c:959:
18-Mar-2022 14:17:41.725 info: validating paypal.com/DNSKEY: 
no valid signature found

...
I'd imagine must some up-the-chain servers doing something 
there - my local 'bind' does not point/use any specific 
forwarders.


many thanks, L.
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Re: host your subdomain on your own ?

2021-11-13 Thread lejeczek via bind-users




On 13/11/2021 07:16, Erich Eckner wrote:

On Sat, 13 Nov 2021, Reindl Harald wrote:

> Am 12.11.21 um 18:55 schrieb lejeczek via bind-users:
>> On 12/11/2021 17:14, Reindl Harald wrote:
>>> wouldn't it be easier to setup two different 
subdomains in which case you don't need delegation at all 
- your local named would hist the internal subdomain and 
doing recursion for everything else

>>>
>>> i mean when it's private and not www why does the 
world need to know about the subdomain?

>>>
>> Because I might not be able to control nor have input 
into local-private bind(s) and thus...
>> clients/nodes on private networks would query 
www/public bind and only then would learn of 
'priv.zone.top' and then, via that delegation to my own 
binds, 'priv.zone.top' would be served to local-private 
networks.

>> - here is where 'views' come to mind, on my binds...

> don't get me wrong but when you a) control a local bind 
where b) a public resolver delegates a subzone you should 
also be able to control that clients in this network use 
your named via dhcp


The problem arises, as soon as you have some clients 
*outside* of this local net (inside some other local net), 
which should also resolve the internal ips - this is, what 
I have, and why I use a public zone for my private 
addresses: Most hosts are within my lan behind my own dns 
server, but some are "outside", but reachable via vpn - 
but I do not want to route all dns traffic for those 
through vpn, neither do I want to deploy dns servers for 
each of those machines.



@Erich
So that's allowed (& will work?) by bind protocols? On my 
own bind facing www & serving my subdomain (delegated from 
public registrar) I resolve to & serve private IPs?
That's the easiest way out I was hoping for, in my tricky 
situation (being a part of large org it's often bureaucracy 
which defeats everybody)
I too employ vpn and for similar reasons I'd prefer my 
www-facing bind to resolve my private IPs for... who should 
give a toss but me only?
To me it's very basic logic - if a user cannot get to a site 
- URLs of which only informed regular users should know in 
the first place - that is my business, right? (and precisely 
what I want)


many thanks, L


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Re: host your subdomain on your own ?

2021-11-12 Thread lejeczek via bind-users




On 12/11/2021 17:14, Reindl Harald wrote:



Am 12.11.21 um 17:48 schrieb lejeczek via bind-users:

Hi guys.

I'm looking to setup my subdomin in-house and I'm hoping 
for some wise advises from experts, it's my first foray 
into this thus go easy on me please.


zone.top - is hosted by a public registrar
priv.zone.top - I want to delegate to my own bind
I'd hope for some generic recipe and pointer to docs, 
thanks.


needs to be done in the parent zone by whoever hosts it

Now what I think might be the tricky part though I get 
that an expert might say - trivial.
I am thinking of 'views' or split-horizon or whatever 
other nomenclature applies, though I hear that that/those 
are discouraged by experts?
Or! might that above be unnecessary(?) if, it's possible 
and allowed that such public, mine bind will resolve to 
IPs which are 'private' - all that so my 'priv.zone.top' 
will resolve to whole www but resources of the 
zone/domain will be available, as they are, only in/via 
private networks.


Does that make sense?


wouldn't it be easier to setup two different subdomains in 
which case you don't need delegation at all - your local 
named would hist the internal subdomain and doing 
recursion for everything else


i mean when it's private and not www why does the world 
need to know about the subdomain?


Because I might not be able to control nor have input into 
local-private bind(s) and thus...
clients/nodes on private networks would query www/public 
bind and only then would learn of 'priv.zone.top' and then, 
via that delegation to my own binds, 'priv.zone.top' would 
be served to local-private networks.

- here is where 'views' come to mind, on my binds...
but to make it even more tricky - but some expert may still 
say, trivial - currently deployed binds of mine do not 
support "split-horizon"

So..
the easiest way out of which I can think would be to have my 
binds to simply point to those private/local IPs - here I 
wonder, as a newbie has to, if that would make DNS protocols 
unhappy or perhaps I get kicked in the teeth right at start.


thanks, L.


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host your subdomain on your own ?

2021-11-12 Thread lejeczek via bind-users

Hi guys.

I'm looking to setup my subdomin in-house and I'm hoping for 
some wise advises from experts, it's my first foray into 
this thus go easy on me please.


zone.top - is hosted by a public registrar
priv.zone.top - I want to delegate to my own bind
I'd hope for some generic recipe and pointer to docs, thanks.

Now what I think might be the tricky part though I get that 
an expert might say - trivial.
I am thinking of 'views' or split-horizon or whatever other 
nomenclature applies, though I hear that that/those are 
discouraged by experts?
Or! might that above be unnecessary(?) if, it's possible and 
allowed that such public, mine bind will resolve to IPs 
which are 'private' - all that so my 'priv.zone.top' will 
resolve to whole www but resources of the zone/domain will 
be available, as they are, only in/via private networks.


Does that make sense?
many thanks for all the help. L
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sub-zone on the same server but in different backend - how?

2021-03-15 Thread lejeczek via bind-users

Hi guys.

To experts that most likely be silly easy but my brain got 
tangled up and cannot get around it now(also being a novice)


Have a zone on a server, say:

- the.zone

with "flat" files being the backend for it. Now wanting to have:

- sub.the.zone

served by the same BIND server, but stored in.. "SQL" backend.

How... well how to make that work if at all possible?
I'd hope it can be done with some "trickery" in config/zone 
files if it is not 'easy-peasy'


many thanks, L.
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zone forward to pseudo domain(*.local) does not work

2018-10-10 Thread lejeczek via bind-users

hi guys

I'm quite sure I must be missing something trivial, yet my logic here 
might be failing too...


I have a boxA which for local clients resolves mydom.local just fine.

And I've a boxB which

  zone "mydom.local." IN {
    forward first;
    type forward;
    forwarders port 53 { 10.3.1.100; };
  };

and here is where I cannot resolve that mydom.local domain. On boxB logs 
these show:


named[20124]: broken trust chain resolving 'mydom.local/A/IN': 10.3.1.100#53
named[20124]: no valid RRSIG resolving 'mydom.local/DNSKEY/IN': 
10.3.1.100#53


I checked responses from boxA with +dnssec and as expected these are 
secure(d).


boxA does allow-transfer boxB

What is the problem, what I got wrong there?

many thanks, L.

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Re: how to dynamically change/update (own private) domain record

2018-09-23 Thread lejeczek via bind-users

On 22/09/18 21:58, Mark Andrews wrote:

The update policy rules you have don’t allow the apex to be updated.  Change 
the rule types to “subdomain” and the name fields to “dom.local”.


fantastycznie!

many! thanks

may I also ask why cname does not work in my setup?

client @0x7f4d84094190 10.3.1.100#12046/key nsupdate_key: updating zone 
'dom.local/IN': attempt to add CNAME alongside non-CNAME ignored


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Re: how to dynamically change/update (own private) domain record

2018-09-22 Thread lejeczek via bind-users

On 22/09/18 17:04, Reindl Harald wrote:


Am 22.09.18 um 17:53 schrieb lejeczek via bind-users:

is it possible to update domain(not hosts of/in the domain) records?

there is nothing like "not hosts of/in the domain"


Something like

domain.local A 10.1.1.100

which is simply an A record and not "not hosts of/in the domain"


simple, right?

I'm trying nsupdate but it refuses to do above

what about provide informations like state of the zone file and
unaltered input/output of "nsupdate" given that crystal balls are out of
order?



from my previous post, (different subject):

..

I do:
> update delete ddd.dom.local. 86400 in a 10.3.1.100
> send
and that works, but when I try:
> update add dom.local. 86400 in a 10.3.1.100
> send
update failed: REFUSED

..and in logs:
client @0x7fd7a40f2e40 127.0.0.1#9489/key nsupdate_key: updating zone 
'dom.local/IN': update failed: rejected by secure update (REFUSED)


..and zone:
  zone "dom.local" IN {
    auto-dnssec maintain;
    key-directory "myZones";
    allow-query { localhost; dom.local; };
    #allow-update { key dhcpd; key nsupdate_key; };
    update-policy {
  grant dhcpd wildcard *.dom.local. A CNAME TXT;
  grant nsupdate_key wildcard *.dom.local. A CNAME TXT;
    };
    # below line would be for a slave/stub secondary server
    #allow-transfer { localbox; 172.25.12.203; };
    type master;
    file "myZones/dom.local.signed";
  };

thanks, L
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how to dynamically change/update (own private) domain record

2018-09-22 Thread lejeczek via bind-users

hi guys

is it possible to update domain(not hosts of/in the domain) records?

Something like

domain.local A 10.1.1.100

simple, right?

I'm trying nsupdate but it refuses to do above.

many thanks, L.

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domain's own a record(s)

2018-09-21 Thread lejeczek via bind-users

hi everyone

I have a quick questionon possibly trivial issue.
I do:
> update delete ddd.dom.local. 86400 in a 10.3.1.100
> send
and that works, but when I try:
> update add dom.local. 86400 in a 10.3.1.100
> send
update failed: REFUSED

..and in logs:
client @0x7fd7a40f2e40 127.0.0.1#9489/key nsupdate_key: 
updating zone 'dom.local/IN': update failed: rejected by 
secure update (REFUSED)


I'm hoping that I can add another A record to dom.local.
What is the problem here? I must be something obvious, right?
many thanks, L.
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no valid signature found - but where do the queries come from?

2016-07-07 Thread lejeczek

hi users,

I'm getting lot of below in log:

validating @0x7f53140149a0: 
ccnr-winsrv1.xxx.private.other.dom.my.dom A: bad cache hit 
(uk.my.dom/DS)
validating @0x7f5314015630: 
ccnr-winsrv1.xxx.private.other.dom.my.dom : bad cache 
hit (uk.my.dom/DS)
error (broken trust chain) resolving 
'ccnr-winsrv1.xxx.private.other.dom.my.dom/A/IN': 
192.168.2.100#53
error (broken trust chain) resolving 
'ccnr-winsrv1.xxx.private.other.dom.my.dom//IN': 
192.168.2.100#53
  validating @0x7f52e4002650: my.dom SOA: no valid 
signature found
  validating @0x7f52e40032e0: my.dom SOA: no valid 
signature found
  validating @0x7f52e4002650: my.dom NSEC: no valid 
signature found
  validating @0x7f52e40032e0: my.dom NSEC: no valid 
signature found
  validating @0x7f52e4002650: swir.my.dom NSEC: no valid 
signature found
  validating @0x7f52e4002650: swir.my.dom NSEC: bad cache 
hit (swir.my.dom/DS)
  validating @0x7f52e40032e0: swir.my.dom NSEC: no valid 
signature found
  validating @0x7f52e40032e0: swir.my.dom NSEC: bad cache 
hit (swir.my.dom/DS)
validating @0x7f52e40016c0: 
ccnr-winsrv1.xxx.private.other.dom.my.dom : bad cache 
hit (uk.my.dom/DS)
validating @0x7f52e40008c0: 
ccnr-winsrv1.xxx.private.other.dom.my.dom A: bad cache hit 
(uk.my.dom/DS)
error (broken trust chain) resolving 
'ccnr-winsrv1.xxx.private.other.dom.my.dom//IN': 
192.168.2.100#53
error (broken trust chain) resolving 
'ccnr-winsrv1.xxx.private.other.dom.my.dom/A/IN': 
192.168.2.100#53


it's on a server - serverB.xxx.private.other.com(9.9.4) - 
which forwards zone my.dom to serverA.my.dom (9.8.2rc1)


serverB is insecure whereas serverA.my.dom uses dnssec.

Firstly I'm hoping some experts could shed a bit light on 
what's happening with that frequency these get logged, every 
few seconds. Is it the dns itself of clients are actually 
nag the server so constantly - how to trace it? - trace 6 
and I cannot see anything.


Secondly, it must be configuration I thing, though I think 
it was ok some time ago, now - on serverB I do:


$ host swir.my.dom. 127.0.0.1 -vv
Using domain server:
Name: 127.0.0.1
Address: 127.0.0.1#53
Aliases:

Host swir.my.dom not found: 2(SERVFAIL)

further I do:

$ dig +qr my.dom.

and nothing, then:

$ dig +qr my.dom. @192.168.2.100 (which is serverA)

and I see NS, A, also that from log a line:

validating @0x7f52e40016c0: 
ccnr-winsrv1.xxx.private.other.dom.my.dom : bad cache 
hit (uk.my.dom/DS)


here is my.dom(serverA) appended to 
private.other.dom(serverB) - what does it mean?


how, where to start troubleshooting?

many! thanks

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server forward to server does not work

2016-05-20 Thread lejeczek

hi fellow users,

I'm having a puzzle to solve and because I'm an amateur I'm 
hoping an expert could help, otherwise it'll take me ages.


I have a 9.8.2rc1-RedHat-9.8.2-0.37.rc1.el6_7.7 which runs a 
signed zone and another server that forwards to it.


The server(swir.private.aaa.bbb.private.czz.yy.zz) that 
forwards to the zone reports:


May 20 16:02:57 swir.private.aaa.bbb.private.czz.yy.zz 
named[9104]:   validating @0x7f5fe4007f80: . SOA: no 
valid signature found
May 20 16:02:57 swir.private.aaa.bbb.private.czz.yy.zz 
named[9104]: validating @0x7f5fe4008c10: whale.. A: 
no valid signature found
May 20 16:02:57 swir.private.aaa.bbb.private.czz.yy.zz 
named[9104]:   validating @0x7f5fe4007f80: whale.. 
NSEC: no valid signature found
May 20 16:02:57 swir.private.aaa.bbb.private.czz.yy.zz 
named[9104]:   validating @0x7f5fd800f5c0: . SOA: no 
valid signature found
May 20 16:02:57 swir.private.aaa.bbb.private.czz.yy.zz 
named[9104]:   validating @0x7f5fd800f5c0: whale.. 
NSEC: no valid signature found
May 20 16:02:57 swir.private.aaa.bbb.private.czz.yy.zz 
named[9104]: error (no valid RRSIG) resolving 
'whale../DS/IN': 192.168.2.100#53


whale.. is the server with signed zone, above is a 
result of


$ dig +qr any that.zone

and query does not return a single record.

but if I only do:

$ dig +qr any that.zone @192.168.2.100(server with signed zone)

then everything works fine, seemingly.

Forwarding server's conf snippet is pretty plain vanilla:

   zone "." IN {
forward only;
type forward;
forwarders port 53 {  192.168.2.100; };
  };

forwarding server is 9.9.4-RedHat-9.9.4-29.el7_2.3

What am I doing wrong, what am I missing?

many thanks,

L.

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multi zone forward ?

2016-04-01 Thread lejeczek

hi everybody

Is it possible with ISC to forward multiple zones to one(or 
a few) forwarders without declaring each zone separately?

Something like with "view" or "policy" ?

many thanks.
L.
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how to put a host to a (just in parent) subdomain

2016-02-24 Thread lejeczek

hi everybody

I'm trying something simple, or I thought it'd be simple, I 
realize my question should rather go towards DHCPD 
community, but I feel like I might be missing something on 
DNS part.
for organizational, or for test if you like, purposes I 
would like to have


subdomain.inparent.zone (so no delegations, just in parent 
zone) - this works with nsupdate simply:


> zone inparent.zone.
> update add host.subdomain.inparent.zone 86400 in a 
10.10.1.10

> send
$ host host.subdomain
and it resolves fine, and if I fix my resolv.conf 
respectively it even resolves host


is above correct and nothing else in terms of records & 
configs is required in order to add a subdomain to already 
existing parent?
and if so, would you know if it's hosts(dhcpd clients) that 
need specific configs or just DHCPd does the lot?

I should mention it's all dnssec.

many thanks.
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Re: subdomain/zone with DHCPD

2015-10-16 Thread lejeczek

On 15/10/15 16:01, Niall O'Reilly wrote:


On 15 October 2015 15:56:42 BST, lejeczek <pelj...@yahoo.co.uk> wrote:

hi everybody

I'm trying a bind setup which could be talked to by dhcpd.
I've bind setup with virtual zones and now trying to set up
dhcpd so it would be updating DNS, but... but.

In dhcpd.conf I'm trying:

   and what's in your named.conf?

it's:

  zone "domain.my" IN {
key-directory "domain.my";
auto-dnssec maintain;
allow-update { key dhcpd; key nsupdate_key; };
allow-transfer { localbox; 172.25.12.203; };
type master;
file "domain.my/domain.my.db.signed";
  };

and now! I made one change:


subnet 192.168.4.64 netmask 255.255.255.224 {
  ddns-domainname "host.domain.my";
  ddns-rev-domainname "in-addr.arpa";
  option domain-name-servers  192.168.4.65;
  option domain-name  "host.domain.my";
  option host-name = config-option server.ddns-hostname;
  option broadcast-address192.168.4.95;
  option routers  192.168.4.65;
  one-lease-per-client on;

  zone domain.my. { <= Here!, was - host.domain.my
primary 127.0.0.1;
key dhcpd;
  }
  pool {
range dynamic-bootp  192.168.4.66 192.168.4.93;
allow unknown-clients;
default-lease-time86400;
#default-lease-time3600;
max-lease-time1;
  }
}

now, I get DNS (it all works locally on same one box, it's 
not a problem of policy, access, etc..) updated, good! :)
But that virtual guest still gets (or at least reports) - 
domain.my - as its FQDN ??? puzzled


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subdomain/zone with DHCPD

2015-10-15 Thread lejeczek

hi everybody

I'm trying a bind setup which could be talked to by dhcpd.
I've bind setup with virtual zones and now trying to set up 
dhcpd so it would be updating DNS, but... but.


In dhcpd.conf I'm trying:

subnet 192.168.4.64 netmask 255.255.255.224 {
  ddns-domainname "host.domain.my";
  ddns-rev-domainname "in-addr.arpa";
  option domain-name-servers  192.168.4.65;
  option domain-name  "host.domain.my";
  option host-name = config-option server.ddns-hostname;
  option broadcast-address192.168.4.95;
  option routers  192.168.4.65;
  one-lease-per-client on;

  zone host.domain.my. {
primary 127.0.0.1;
key dhcpd;
  }
  pool {
range dynamic-bootp  192.168.4.66 192.168.4.93;
allow unknown-clients;
default-lease-time86400;
#default-lease-time3600;
max-lease-time1;
  }
}

hoping that virtual zone in DNS server which parent 
zone/domain is "domain.my" would get updated as dhcpd 
clients request IPs.


parent/main BIND zone config:

$TTL 86400  ; 1 day
$ORIGIN domain.my.
@ IN SOA host.domain.my. root.host.domain.my. (
102; serial
10800  ; refresh (3 hours)
3600   ; retry (1 hour)
604800 ; expire (1 week)
3600   ; minimum (1 hour)
)
  NS  host.domain.my.
  A   192.168.2.110
host A   192.168.2.110

; virtual  subdomain a.k.a subzone, for virt guest on this host
$ORIGIN host.domain.my.

virt  A   192.168.4.65

If it is looking a bit confusing it's because I'm trying:
for domain - "domain.my" - whose bind server is - 
"host.domain.my" - have this same box to be a host for virt 
guests.

So essentially virt guests would be:
guest-1.host.domain.my
guest-2.hos...
etc, so for guests host.domain.my would be their DNS domain.

DNS as such is working but I cannot get DHCP to do its part. 
I thought it was simple, seemingly..

Can you help? (I'm in the process of signing up to dhcp list)
many thanks.




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protect a record (against dynamic update)

2014-11-12 Thread lejeczek

hi everybody

I'd like to ask about possible ways to protect a record - is 
it feasible at all?

Or maybe some sort of priority mechanisms?
What I'd like to do is basically to not let DHCP dynamically 
update a record that I set earlier manually. My case is 
where system has multiple interfaces and one has statically 
configured IP, other interfaces are used by qemu guests and 
this tends to mess things up a bit.


many thanks
P.
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Re: nsupdate fails on CNAME but A and PTR goes through

2012-05-17 Thread lejeczek

sort of a false alarm
nsupdate with FQDN(dot) did work!(???)

On 17/05/12 12:03, lejeczek wrote:

hi everybody

when I do:

 server 127.0.0.1
 zone ccnr.biotechnology.
 update add second 86400 in cname first
 send
update failed: NOTZONE


in log I get:

May 17 11:59:10 whale named[2910]: debug level is now 5
May 17 12:00:28 whale named[2910]: client 127.0.0.1#33465: 
view biotech: signer nsupdate_key approved
May 17 12:00:28 whale named[2910]: client 127.0.0.1#33465: 
view biotech: updating zone 'ccnr.biotechnology/IN': 
update failed: update RR is outside zone (NOTZONE)


any help greatly apreciated
thanks!
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