aboutsummaryrefslogtreecommitdiff
path: root/docs/cmdline-opts/no-npn.d
blob: 5ccfe33a91eb1b0279e22f23e0addebe6c2247aa (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
Short:
Long: no-npn
Tags: Versions
Protocols: HTTPS
Added: 7.36.0
Mutexed:
See-also: no-alpn http2
Requires: TLS
Help: Disable the NPN TLS extension
---
Disable the NPN TLS extension. NPN is enabled by default if libcurl was built
with an SSL library that supports NPN. NPN is used by a libcurl that supports
HTTP/2 to negotiate HTTP/2 support with the server during https sessions.