[squid-users] DNS lookup fails initially for FQDN in squid

Aashima Madaan amadaan at ncsu.edu
Tue May 31 21:05:40 UTC 2016

Hey Amos,

>What is causing the problem is that ICAP services need to be working
>*immediately* and do not wait for DNS results to come back. If they are
>not available immediately then the service is not contactable for that

>Adding /etc/hosts entries makes Squid load the name+IP details on
>startup before ICAP is used. So the problem does not appear.
Is there a configuration for squid where we can ask it to perform DNS lookup immediately rather than doing later when it sends an OPTIONS request again.

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