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Daniel Kahn Gillmor
Knot DNS Resolver
Commits
55520347
Commit
55520347
authored
Jul 20, 2016
by
Ondřej Surý
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Revert default EDNS0 buffer size to 4096
parent
17b8cfc8
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daemon/README.rst
daemon/README.rst
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lib/defines.h
lib/defines.h
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daemon/README.rst
View file @
55520347
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@@ -542,7 +542,7 @@ For when listening on ``localhost`` just doesn't cut it.
.. function:: net.bufsize([udp_bufsize])
Get/set maximum EDNS payload available. Default is
1452, increase it in cases when authoritatives send large payloads over UDP and don't support TCP
.
Get/set maximum EDNS payload available. Default is
4096
.
You cannot set less than 512 (512 is DNS packet size without EDNS, 1220 is minimum size for DNSSEC) or more than 65535 octets.
Example output:
...
...
lib/defines.h
View file @
55520347
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@@ -62,7 +62,7 @@ static inline int __attribute__((__cold__)) kr_error(int x) {
*/
#define KR_DNS_PORT 53
#define KR_EDNS_VERSION 0
#define KR_EDNS_PAYLOAD
1452
/* Default UDP payload (max unfragmented UDP is 1452B) */
#define KR_EDNS_PAYLOAD
4096
/* Default UDP payload (max unfragmented UDP is 1452B) */
/*
* Address sanitizer hints.
...
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