Struct NatConfig 

pub struct NatConfig {
    pub flags: u16,
    pub ipv4_min: Option<Ipv4Addr>,
    pub ipv4_max: Option<Ipv4Addr>,
    pub ipv6_min: Option<Ipv6Addr>,
    pub ipv6_max: Option<Ipv6Addr>,
    pub port_min: Option<u16>,
    pub port_max: Option<u16>,
}

NAT configuration for use with ct() action.

Examples

// SNAT to a single IP
NatConfig::snat(Ipv4Addr::new(10, 0, 0, 1))

// SNAT with IP range
NatConfig::snat_range(
    Ipv4Addr::new(10, 0, 0, 1),
    Ipv4Addr::new(10, 0, 0, 10),
)

// DNAT with port
NatConfig::dnat(Ipv4Addr::new(192, 168, 1, 1)).port(8080)

// SNAT with port range and random selection
NatConfig::snat(Ipv4Addr::new(10, 0, 0, 1))
    .port_range(5000, 6000)
    .random()

Fields

flags: u16

NAT flags (SRC/DST, persistent, hash, random)

ipv4_min: Option<Ipv4Addr>

Minimum IPv4 address (if IPv4 NAT)

ipv4_max: Option<Ipv4Addr>

Maximum IPv4 address (if range)

ipv6_min: Option<Ipv6Addr>

Minimum IPv6 address (if IPv6 NAT)

ipv6_max: Option<Ipv6Addr>

Maximum IPv6 address (if range)

port_min: Option<u16>

Minimum port (if port NAT)

port_max: Option<u16>

Maximum port (if port range)

Implementations

impl NatConfig

pub fn snat(addr: Ipv4Addr) -> Self

Create a SNAT configuration with a single IPv4 address.

pub fn snat_range(min: Ipv4Addr, max: Ipv4Addr) -> Self

Create a SNAT configuration with an IPv4 address range.

pub fn dnat(addr: Ipv4Addr) -> Self

Create a DNAT configuration with a single IPv4 address.

pub fn dnat_range(min: Ipv4Addr, max: Ipv4Addr) -> Self

Create a DNAT configuration with an IPv4 address range.

pub fn snat_v6(addr: Ipv6Addr) -> Self

Create a SNAT configuration with a single IPv6 address.

pub fn dnat_v6(addr: Ipv6Addr) -> Self

Create a DNAT configuration with a single IPv6 address.

pub fn snat_v6_range(min: Ipv6Addr, max: Ipv6Addr) -> Self

Create a SNAT configuration with an IPv6 address range.

pub fn dnat_v6_range(min: Ipv6Addr, max: Ipv6Addr) -> Self

Create a DNAT configuration with an IPv6 address range.

pub fn port(self, port: u16) -> Self

Set a single port for NAT.

pub fn port_range(self, min: u16, max: u16) -> Self

Set a port range for NAT.

pub fn persistent(self) -> Self

Use persistent NAT mapping (survives restarts).

pub fn hash(self) -> Self

Use hash-based port selection.

pub fn random(self) -> Self

Use random port selection.

Trait Implementations

impl Clone for NatConfig

fn clone(&self) -> NatConfig

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for NatConfig

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for NatConfig

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.