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--tls-max doesn't always have an effect #2571

bagder opened this issue May 14, 2018 · 0 comments

--tls-max doesn't always have an effect #2571

bagder opened this issue May 14, 2018 · 0 comments


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bagder commented May 14, 2018

(via byte_bucket on IRC)

I did this

curl -v -I --tls-max 1.0

I expected the following

That the connection would only allow TLS 1.0 and no later TLS version. But this negotiates TLS 1.2 just fine.

However, if I also add --tlsv1.0 to the command line, it behaves as expected and gets a TLS 1.0 connection:

curl -v -I --tls-max 1.0 --tlsv1.0

curl/libcurl version

git master (7.60.0-DEV) using the OpenSSL backend (this is most likely very dependent on the specific TLS backend in use)

operating system

All, but I reproduced on Linux.

@bagder bagder added the TLS label May 14, 2018
bagder added a commit that referenced this issue May 15, 2018
... previously it only used the max setting if a TLS version was also
explicitly asked for.

Fixes #2571
Reported-by: byte_bucket
@bagder bagder closed this as completed in c5fe868 May 17, 2018
@lock lock bot locked as resolved and limited conversation to collaborators Aug 15, 2018
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