Any way to cache large /etc/hosts files?

[Yuri]

Some people suggest using pre-compiled lists of ad and malware domains
and block them on DNS level. (ex. https://github.com/StevenBlack/hosts)

The resulting hosts file is about 1MB. nscd(8) caches DNS results, but
it does this on name by name basis. Every new domain name request, even
within the same process, causes /etc/hosts file to be reread again.


Is there a way to cache /etc/hosts once and use it?


Yuri

[Charles Swiger]

Hi, Yuri--

Take a look into DNS RPZ, aka DNS blacklisting (the common use case):

https://dnsrpz.info <https://dnsrpz.info/>

Recent versions of ISC BIND support this....

Regards,
--
-Chuck

Some people suggest using pre-compiled lists of ad and malware domains and block them on DNS level. (ex. https://github.com/StevenBlack/hosts)
The resulting hosts file is about 1MB. nscd(8) caches DNS results, but it does this on name by name basis. Every new domain name request, even within the same process, causes /etc/hosts file to be reread again.
Is there a way to cache /etc/hosts once and use it?
Yuri
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