From 6af47493de0ef2b66d4c3fbcdd4a2e12fec4bfba Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Tue, 29 Dec 2015 19:27:09 +0100 Subject: resolved: add comments referencing various RFCs to various places --- src/resolve/resolved-dns-cache.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'src/resolve/resolved-dns-cache.c') 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 */ -- cgit v1.2.3-54-g00ecf