[squid-users] dns_packet_max

Wed Jun 27 22:00:56 UTC 2018

Still reading all the options, noticed dns_packet_max is off by default. My
squid uses dnsmasq, that has EDNS on by default and it "defaults to 4096,
which is the RFC5625-recommended size"

In this case what will happen then? dnsmasq may receive EDNS up to 4K,
which squid by default only takes 512Byte.
http://www.squid-cache.org/Versions/v3/3.5/cfgman/dns_packet_max.html
warns some older resolver does not like EDNS, but dnsmasq has this feature
on by default...

Thinking about setting up "dns_packet_max 4096" and see what happens...

Gordon
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