TCP and UDP Ports Used by Clients and Agents

248 rows UDP 443 - Port Protocol Information and Warning! Like TCP (Transmission Control Protocol), UDP is used with IP (the Internet Protocol) but unlike TCP on Port 443, UDP Port 443 is connectionless and does not guarantee reliable communication; it’s up to the application that received the message on Port 443 to process any errors and verify correct delivery. Port 443 (tcp/udp) :: SpeedGuide 24 rows

Sep 09, 2015

IPsec (UDP ports 500 and 4500) and ESP (protocol 50). PAPI between a master and a local controlleris encapsulated in IPsec . IP-IP (protocol 94) and UDP port 443 if Layer-3 mobility is enabled. GRE (protocol 47) if tunneling guest traffic over GRE to DMZ controller. IKE (UDP 500). ESP (protocol 50). NAT-T (UDP …

Port 443 (tcp/udp) :: SpeedGuide

chrome - Is QUIC (Quick UDP Internet Connections) safe to Our firewall currently blocks QUIC (UDP 443) traffic which seems to be enabled by default in Google Chrome. Is it safe to allow QUIC or should I wait until it is implemented in all the major browse UDP communication is blocked by the Windows Firewall rule Sep 09, 2015