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litespeed_wiki:faq:disabling-http2 [2022/07/25 14:13] Jackson Zhang |
litespeed_wiki:faq:disabling-http2 [2022/07/26 19:10] (current) Lisa Clarke Copyediting |
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Other valid parameters are ''spdy2'', ''spdy3'', ''http2'', and ''http3''. | Other valid parameters are ''spdy2'', ''spdy3'', ''http2'', and ''http3''. | ||
- | **NOTE:** All protocols are enabled by default for earlier versions but spdy protocol will be disabled by default since 6.0.12. When you use this directive to explicitly enable one or more protocols, anything not selected will be //disabled//. So, if you wanted to disable HTTP/2, but you still wanted to keep HTTP/3 enabled, you would have to use ''SpdyEnabled http3''. This would enable HTTP/3 while leaving everything else (including HTTP/2) off. | + | **NOTE:** All protocols (except the SPDY protocol, as of v6.0.12) are enabled by default. When you use this directive to explicitly enable one or more protocols, anything not selected will be //disabled//. So, if you wanted to disable HTTP/2, but you still wanted to keep HTTP/3 enabled, you would have to use ''SpdyEnabled http3''. This would enable HTTP/3 while leaving everything else (including HTTP/2) off. |
In the WebAdmin Console, you can find the **Enable SPDY/HTTP2/HTTP3** option in the **SSL** tab for both **Listeners** and **Virtual Hosts**. Deselect the ''HTTP/2'' option to disable HTTP/2. | In the WebAdmin Console, you can find the **Enable SPDY/HTTP2/HTTP3** option in the **SSL** tab for both **Listeners** and **Virtual Hosts**. Deselect the ''HTTP/2'' option to disable HTTP/2. |