[Pdns-users] [dnsdist] Dnsdist not reading from the cache

SAMI RAHAL Sami.Rahal at topnetpro.tn
Sat Jul 23 08:29:13 UTC 2022


this is my entire configuration thank you

-- Include additional configuration
webserver ("DnsdistIP:8083", "Password", "Key",{}, "authoroziedIP")
-----------------  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})
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()
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 Siège Social TOPNET, Centre Urbain Nord Tél. :71185000 GSM :99 459 812

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 : vendredi 22 juillet 2022 14:00
À : 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.

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})
addAction(AllRule(), PoolAction("cacheTestiong"))

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

Best regards,

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