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Re: Why CURL library is always sending packets with do not fragment bit ON

From: Daniel Stenberg via curl-library <>
Date: Wed, 6 Nov 2019 16:42:14 +0100 (CET)

On Wed, 6 Nov 2019, Subrata Dasgupta via curl-library wrote:

> CURL is sending HTTP requests with do not fragment bit ON of IP layer. So
> when packet size is more than MTU then those packets are dropped by the
> routers.

curl doesn't do that by itself.

That's not a decision made by curl, that's decided and done by the TCP stack.
From what I understand, that bit is typically set for MTU discovery.

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Received on 2019-11-06