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litespeed_wiki:config:enable_quic [2019/01/15 14:51] Lisa Clarke [Possibly bad cached SSL certificates] |
litespeed_wiki:config:enable_quic [2019/03/26 17:26] Lucas Rolff [cPanel] add UDPFLOOD text |
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- | ===== How to Open UDP Port 433 at the Firewall ===== | + | ===== How to Open UDP Port 443 at the Firewall ===== |
[[https://en.wikipedia.org/wiki/QUIC|QUIC]] runs a stream-multiplexing protocol over Transport Layer Security (TLS) on top of UDP instead of TCP. Be sure you've enabled the port with both TCP //and// UDP. Most of the time, TCP 443 is enabled. | [[https://en.wikipedia.org/wiki/QUIC|QUIC]] runs a stream-multiplexing protocol over Transport Layer Security (TLS) on top of UDP instead of TCP. Be sure you've enabled the port with both TCP //and// UDP. Most of the time, TCP 443 is enabled. | ||
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{{ :litespeed_wiki:config:udp-443-csf-quic.png?400 |}} | {{ :litespeed_wiki:config:udp-443-csf-quic.png?400 |}} | ||
+ | Also make sure that ''UDPFLOOD'' is set to 0. | ||
==== Plesk ==== | ==== Plesk ==== | ||
If a firewall is activated, you need to enable UDP 443 manually. | If a firewall is activated, you need to enable UDP 443 manually. |