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net/dns: bump DNS-over-TCP size limit to 4k

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We saw a few cases where we hit this limit; bumping to 4k seems
relatively uncontroversial.

Change-Id: I218fee3bc0d2fa5fde16eddc36497a73ebd7cbda
Signed-off-by: Andrew Dunham <andrew@du.nham.ca>
pull/6808/head
Andrew Dunham 2 years ago
parent 98daf99775
commit 0372e14d79
1 changed files with 2 additions and 2 deletions
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4
net/dns/manager.go
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@ -427,8 +427,8 @@ const (
// The RFCs don't specify the max size of a TCP-based DNS query, // The RFCs don't specify the max size of a TCP-based DNS query,
// but we want to keep this reasonable. Given payloads are typically // but we want to keep this reasonable. Given payloads are typically
// much larger and all known client send a single query, I've arbitrarily // much larger and all known client send a single query, I've arbitrarily
// chosen 2k. // chosen 4k.
maxReqSizeTCP = 2048 maxReqSizeTCP = 4096
) )
// dnsTCPSession services DNS requests sent over TCP. // dnsTCPSession services DNS requests sent over TCP.

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