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09244cbd98
This effectively disables nscd's built-in hosts cache, which turns out to be erratic in some cases. We only use nscd these days as a more ABI-neutral NSS dispatcher mechanism. Local caching should still be possible with local resolvers in /etc/resolv.conf (via the `dns` NSS module), or without local resolvers via systemd-networkd (via the `resolve` nss module) We don't set enable-cache to no due to https://github.com/NixOS/nixpkgs/pull/50316#discussion_r241035226.
35 lines
1.4 KiB
Plaintext
35 lines
1.4 KiB
Plaintext
# We basically use nscd as a proxy for forwarding nss requests to appropriate
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# nss modules, as we run nscd with LD_LIBRARY_PATH set to the directory
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# containing all such modules
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# Note that we can not use `enable-cache no` As this will actually cause nscd
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# to just reject the nss requests it receives, which then causes glibc to
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# fallback to trying to handle the request by itself. Which won't work as glibc
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# is not aware of the path in which the nss modules live. As a workaround, we
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# have `enable-cache yes` with an explicit ttl of 0
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server-user nscd
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enable-cache passwd yes
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positive-time-to-live passwd 0
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negative-time-to-live passwd 0
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shared passwd yes
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enable-cache group yes
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positive-time-to-live group 0
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negative-time-to-live group 0
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shared group yes
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enable-cache netgroup yes
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positive-time-to-live netgroup 0
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negative-time-to-live netgroup 0
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shared netgroup yes
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enable-cache hosts yes
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positive-time-to-live hosts 0
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negative-time-to-live hosts 0
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shared hosts yes
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enable-cache services yes
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positive-time-to-live services 0
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negative-time-to-live services 0
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shared services yes
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