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A Gin web framework middleware for IP restriction by specifying CIDR notations.
package main import ( gin "github.com/gin-gonic/gin" limit "github.com/bu/gin-access-limit" ) func main() { // create a Gin engine r := gin.Default() // this API is only accessible from Docker containers r.Use(limit.CIDR("172.18.0.0/16")) // if need to specify serveral range of allowed sources, use comma to concatenate them // r.Use(limit.CIDR("172.18.0.0/16, 127.0.0.1/32")) // routes r.GET("/", func (c *gin.Context) { c.String(200, "pong") }) // listen to request r.Run(":8080") }