Gateway and OFR Requirements
The Optimized Fee Relay (OFR) is accessed through a gateway that is running as a docker container in the Solana node server.
The gateway receives shreds through OFR by communicating with bloXroute's OFR Relay, which uses port 18888 by default. Please make sure the following ports are open:
Port
Direction
Description
UDP – 18888
Inbound/Outbound
Used by the gateway for communication with OFR
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