Supported Load Balancer Protocols


SpinUp Load Balancers support the following protocols.

Name Description
DNS (TCP) Allows your DNS server to receive traffic on Transmission Control Protocol port 53 (IPv4 and IPv6 compatible)
DNS (UDP) Allows your DNS server to receive traffic on User Datagram Protocol port 53 (IPv4 and IPv6 compatible)
FTP File Transfer Protocol, a standardized protocol used to exchange files over the Internet
HTTP The standard protocol used to serve data and request specific actions from web servers
HTTPS HTTP over Secure Socket Layer (SSL), encrypts HTTP traffic and enables the verification of servers as authentic
IMAPv2 A standard Internet protocol used to send email, version 2
IMAPv3 A standard Internet protocol used to send email, version 3
IMAPv4 A standard Internet protocol used to send email, version 4
IMAPS A standard Internet protocol used to send email securely over SSL
LDAP Lightweight Directory Access Protocol, typically used for corporate directory information or to facilitate user login authorization
LDAPS LDAP over SSL
MYSQL Enables communication with MySQL databases
POP3 Post Office Protocol, one of the two most common email protocols, version 3
POP3S Post Office Protocol over SSL
SFTP Secure Shell (SSH) FTP, uses the SSH protocol to securely transmit files
SMTP Simple Mail Transfer Protocol, used by email clients to relay messages to an email server or to push messages between different email servers
TCP One of the core protocols for Internet communication used to send packets to applications in a reliable and orderly manner
TCP (Client First) Utilizes TCP, but acts more efficiently when a client is expected to write the data first
TCP (Stream) Allows either the client or server to send the first message when a connection is established - this option is for scenarios where either side of the connection can write the first message, with no response required or expected
UDP Provides a connectionless service that emphasizes high speed over error control and works well with loss-tolerant, process-to-process communications
UDP (Stream) Utilizes UDP in a manner designed for streaming media

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