Force ipv4 for golang http client

• 02, 24, 2021
•  bullgare
•  golang
• No Comments.

Sometimes you want to prevent your http client from using ipv6/tcp6. That’s how you do it. dialer := &net.Dialer{ Timeout: dialTimeout, KeepAlive: keepAliveTimeout, } transport := &http.Transport{ Proxy: http.ProxyFromEnvironment, ForceAttemptHTTP2: false, DialContext: func(ctx context.Context, network string, addr string) (net.Conn, error) { ipv4, err := resolveIPv4(addr) if err != nil { return nil, err } return …

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