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| author | Lennart Poettering <lennart@poettering.net> | 2015-12-29 19:27:09 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2015-12-29 21:42:10 +0100 |
| commit | 6af47493de0ef2b66d4c3fbcdd4a2e12fec4bfba (patch) | |
| tree | 0147fc5ea46ffcdaac2e9bd69ae96e0fa15db7eb /src/resolve/resolved-dns-cache.c | |
| parent | 6f717d0817573a76c3e586eae02793d8b23a0581 (diff) | |
resolved: add comments referencing various RFCs to various places
Diffstat (limited to 'src/resolve/resolved-dns-cache.c')
| -rw-r--r-- | src/resolve/resolved-dns-cache.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/resolve/resolved-dns-cache.c b/src/resolve/resolved-dns-cache.c index 3193985542..1c7dd56b3b 100644 --- a/src/resolve/resolved-dns-cache.c +++ b/src/resolve/resolved-dns-cache.c @@ -26,7 +26,8 @@ #include "resolved-dns-packet.h" #include "string-util.h" -/* Never cache more than 4K entries */ +/* Never cache more than 4K entries. RFC 1536, Section 5 suggests to + * leave DNS caches unbounded, but that's crazy. */ #define CACHE_MAX 4096 /* We never keep any item longer than 2h in our cache */ |