qubes-mirage-firewall/my_nat.mli

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(* Copyright (C) 2015, Thomas Leonard <thomas.leonard@unikernel.com>
See the README file for details. *)
(* Abstract over NAT interface (todo: remove this) *)
type t
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type action = [
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| `NAT
| `Redirect of Mirage_nat.endpoint
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]
val free_udp_port : t -> src:Ipaddr.V4.t -> dst:Ipaddr.V4.t -> dst_port:int ->
int * (unit -> unit)
val dns_port : t -> int -> bool
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val create : max_entries:int -> t
val remove_connections : t -> Ipaddr.V4.t -> unit
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val translate : t -> Nat_packet.t -> Nat_packet.t option
val add_nat_rule_and_translate : t ->
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xl_host:Ipaddr.V4.t -> action -> Nat_packet.t -> (Nat_packet.t, string) result