if c.ProxyUID == "" {
		usr, err := user.Lookup(envoyUserVar.Get())
		var userID string
		// Default to the UID of ENVOY_USER
		if err != nil {
			userID = constants.DefaultProxyUID
		} else {
			userID = usr.Uid
		}
		c.ProxyUID = userID
	}

	// For TPROXY as its uid and gid are same.
	if c.ProxyGID == "" {

		``)
)

const (
	DefaultProxyUID    = "1337"
	DefaultProxyUIDInt = int64(1337)
)

// Constants used in environment variables
const (
	EnvoyUser = "ENVOY_USER"
)

// Constants for syscall
const (
	// sys/socket.h
	SoOriginalDst = 80
)

const (
	DefaultIptablesProbePortUint = 15002
	DefaultProbeTimeout          = 5 * time.Second
)

# ENVOY_PORT=15001

# User running Envoy. For testing you can use a regular user ID - however running iptables requires
# root or netadmin capability. The debian file creates user istio.
# ENVOY_USER=istio-proxy

# Uncomment to enable debugging
# ISTIO_AGENT_FLAGS="--proxyLogLevel debug"

# Directory for stdout redirection. The redirection is required because envoy attempts to open

	if c.ProxyUID == "" {
		usr, err := user.Lookup(envoyUserVar.Get())
		var userID string
		// Default to the UID of ENVOY_USER
		if err != nil {
			userID = constants.DefaultProxyUID
		} else {
			userID = usr.Uid
		}
		c.ProxyUID = userID
	}

	// For TPROXY as its uid and gid are same.
	if c.ProxyGID == "" {