[Pdns-users] [dnsdist] Dnsdist not reading from the cache (SAMI RAHAL)

Wed Aug 10 09:11:51 UTC 2022

Hello

Although I have a cache value displayed at the web interface level: Cache hitrate: 87.59%

the command "getPool("MyPool"):getCache():printStats() " returns an empty resul

Hits: 0
Misses: 0
Deferred inserts: 0
Deferred lookups: 0
Lookup Collisions: 0
Insert Collisions: 0
TTL Too Shorts: 0

________________________________
De : SAMI RAHAL
Envoyé : samedi 30 juillet 2022 09:45
À : pdns-users at mailman.powerdns.com
Objet : RE: [dnsdist] Dnsdist not reading from the cache (SAMI RAHAL)

Hello

the cache functionality still does not work, although I followed the configuration indicated in the documentation, can someone please give me some clues

________________________________
De : SAMI RAHAL
Envoyé : mercredi 27 juillet 2022 12:57
À : pdns-users at mailman.powerdns.com
Objet : [dnsdist] Dnsdist not reading from the cache (SAMI RAHAL)

Hello
Please, is there a configuration error, so that the cache does not work?

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De : Pdns-users <pdns-users-bounces at mailman.powerdns.com> de la part de pdns-users-request at mailman.powerdns.com <pdns-users-request at mailman.powerdns.com>
Envoyé : samedi 23 juillet 2022 14:00:02
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Today's Topics:

   1. Re: [dnsdist] Dnsdist not reading from the cache (SAMI RAHAL)

----------------------------------------------------------------------

Message: 1
Date: Sat, 23 Jul 2022 08:29:13 +0000
From: SAMI RAHAL <Sami.Rahal at topnetpro.tn>
To: "pdns-users at mailman.powerdns.com"
        <pdns-users at mailman.powerdns.com>
Subject: Re: [Pdns-users] [dnsdist] Dnsdist not reading from the cache
Message-ID: <05d3b9b80a614bf38282fb568d3b58d6 at topnetpro.tn>
Content-Type: text/plain; charset="iso-8859-1"

Hi

this is my entire configuration thank you

-- Include additional configuration
includeDirectory("/etc/dnsdist/conf.d")
setACL("0.0.0.0/0")
controlSocket("127.0.0.1")
setKey("Key")
webserver ("DnsdistIP:8083", "Password", "Key",{}, "authoroziedIP")
addLocal("DnsdistIP:53")
setLocal("0.0.0.0:53")
-----------------  Backend------------------------
newServer({name="unbound",pool="resolver", address="IPresolver1", qps=2000, order=1})
newServer({name="pdns-recursor",pool="resolver", address="IPresolver2", order=2})

-------------------------- Begin Log ----------------------

--addAction(AllRule(), LogAction("/var/log/dnsdist.log", false, true, false,true))
--addAction(AllRule(), LogAction("/var/log/dnsdist/dnsdist.log",true, true,true,true,true))
--addAction(AllRule(), LogAction("/var/log/dnsdist/dnsdist.log",false, true, false, false, true))

-------------------------------------------------------caching -----------------------
setPoolServerPolicy(leastOutstanding, "resolver")
pc = newPacketCache(2000000, {maxTTL=43200, minTTL=0,temporaryFailureTTL=60, staleTTL=60, dontAge=false})
getPool("resolver"):setCache(pc)
addAction(AllRule(), PoolAction("resolver"))
-----------------------------------------------Begin security rules -------------------------
local dbr = dynBlockRulesGroup()
dbr:setQueryRate(250, 10, "Exceeded query rate", 20)
dbr:setRCodeRate(DNSRCode.NXDOMAIN, 20, 10, "Exceeded NXD rate", 60)
dbr:setRCodeRate(DNSRCode.SERVFAIL, 20, 10, "Exceeded ServFail rate", 60)
dbr:setQTypeRate(DNSQType.ANY, 5, 10, "Exceeded ANY rate", 180)
--dbr:setResponseByteRate(1000, 10, "Exceeded resp BW rate", 60)

function maintenance()
  dbr:apply()
end
addAction(MaxQPSIPRule(100), DropAction())
addAction(MaxQPSIPRule(50, 24, 64), DropAction())
addAction({"nl.", "be."}, QPSAction(1))
---------------------------------------------------End security rules--------------------------

Cordialement, Sami Rahal Service Hosting DNS et Cloud Direction Technique & SI Si?ge Social TOPNET, Centre Urbain Nord T?l. :71185000 GSM :99 459 812

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De : Pdns-users <pdns-users-bounces at mailman.powerdns.com> de la part de pdns-users-request at mailman.powerdns.com <pdns-users-request at mailman.powerdns.com>
Envoy? : vendredi 22 juillet 2022 14:00
? : pdns-users at mailman.powerdns.com
Objet : [EXTERNE]Pdns-users Digest, Vol 234, Issue 7

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Today's Topics:

   1. Re: [dnsdist] Dnsdist not reading from the cache (Klaus Darilion)

----------------------------------------------------------------------

Message: 1
Date: Fri, 22 Jul 2022 12:53:51 +0200
From: Klaus Darilion <klaus.darilion at nic.at>
To: Jacob Bunk Nielsen <jbn at one.com> ,
        "pdns-users at mailman.powerdns.com" <pdns-users at mailman.powerdns.com>
Subject: Re: [Pdns-users] [dnsdist] Dnsdist not reading from the cache
Message-ID: <d9adee25407c4b9da740af015e124d2a at nic.at>
Content-Type: text/plain; charset="us-ascii"

In old dnsdist versions the chache was per "cookie". So make sure to test with DNS cookies.
regards
Klaus

Von: dnsdist <dnsdist-bounces at mailman.powerdns.com> Im Auftrag von Jacob Bunk Nielsen via dnsdist
Gesendet: Freitag, 22. Juli 2022 12:28
An: dnsdist at mailman.powerdns.com
Betreff: Re: [dnsdist] Dnsdist not reading from the cache

On 22/07/2022 12.11, SAMI RAHAL via dnsdist wrote:

Hello dnsdist community,

The dnsdist cache does not work

Version: dnsdist 1.7.0 (Lua 5.1.4 [LuaJIT 2.0.4])

here is my configuration:
setPoolServerPolicy(leastOutstanding, "cacheTestiong")
test_pc = newPacketCache(2000000, {maxTTL=43200, minTTL=0,temporaryFailureTTL=60, staleTTL=60, dontAge=false})
getPool("cacheTestiong"):setCache(test_pc)
addAction(AllRule(), PoolAction("cacheTestiong"))

Are you certain that this is your entire configuration? I'm guessing it's not.

Best regards,

Jacob
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