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Minimum safe size is recommended to be 1232. See https://dnsflagday.net/2020/

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Signed-off-by: DL6ER <dl6er@dl6er.de>
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Dominik Derigs authored and Simon Kelley committed 2022-01-13 00:31:54 +00:00
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commit 4308236262
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src/config.h
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@@ -20,7 +20,7 @@
#define TCP_MAX_QUERIES 100 /* Maximum number of queries per incoming TCP connection */
#define TCP_BACKLOG 32 /* kernel backlog limit for TCP connections */
#define EDNS_PKTSZ 4096 /* default max EDNS.0 UDP packet from RFC5625 */
#define SAFE_PKTSZ 1280 /* "go anywhere" UDP packet size */
#define SAFE_PKTSZ 1232 /* "go anywhere" UDP packet size, see https://dnsflagday.net/2020/ */
#define KEYBLOCK_LEN 40 /* choose to minimise fragmentation when storing DNSSEC keys */
#define DNSSEC_WORK 50 /* Max number of queries to validate one question */
#define TIMEOUT 10 /* drop UDP queries after TIMEOUT seconds */