summaryrefslogtreecommitdiff
path: root/docs/cmdline-opts/no-npn.d
blob: ab0f6de2e00ab3f765d0a42002f799a39553c2d7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
Long: no-npn
Tags: Versions HTTP/2
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.