diff --git a/src/nat/xlat/udp.rs b/src/nat/xlat/udp.rs
index 9baa394..de9171a 100644
--- a/src/nat/xlat/udp.rs
+++ b/src/nat/xlat/udp.rs
@@ -4,7 +4,7 @@ use pnet_packet::{
     ip::IpNextHeaderProtocols,
     ipv4::{self, Ipv4Packet, MutableIpv4Packet},
     ipv6::{Ipv6Packet, MutableIpv6Packet},
-    udp::UdpPacket,
+    udp::{self, MutableUdpPacket, UdpPacket},
     Packet,
 };
 
@@ -25,20 +25,38 @@ pub async fn proxy_udp_packet<'a>(
     // Parse the original packet's payload to extract UDP data
     let udp_packet = UdpPacket::new(original_packet.get_payload())
         .ok_or_else(|| UdpProxyError::PacketTooShort(original_packet.get_payload().len()))?;
+    log::debug!("Incoming UDP packet ports: {} -> {}", udp_packet.get_source(), udp_packet.get_destination());
+    log::debug!("Incoming UDP packet payload len: {}", udp_packet.payload().len());
 
     // Construct a new output packet
     match (&original_packet, new_source, new_destination) {
         // Translate IPv4(UDP) to IPv6(UDP)
         (IpPacket::V4(_), IpAddr::V6(new_source), IpAddr::V6(new_destination)) => {
+            // Construct translated UDP packet
+            let mut translated_udp_packet =
+                MutableUdpPacket::owned(vec![0u8; 8 + udp_packet.payload().len()]).unwrap();
+            translated_udp_packet.set_source(udp_packet.get_source());
+            translated_udp_packet.set_destination(udp_packet.get_destination());
+            translated_udp_packet.set_length(8 + udp_packet.payload().len() as u16);
+            translated_udp_packet.set_payload(udp_packet.payload());
+            translated_udp_packet.set_checksum(0);
+            translated_udp_packet.set_checksum(udp::ipv6_checksum(
+                &translated_udp_packet.to_immutable(),
+                &new_source,
+                &new_destination,
+            ));
+
+            // Construct translated IP packet to wrap UDP packet
             let mut output =
-                MutableIpv6Packet::owned(vec![0u8; 40 + udp_packet.packet().len()]).unwrap();
+                MutableIpv6Packet::owned(vec![0u8; 40 + translated_udp_packet.packet().len()])
+                    .unwrap();
             output.set_version(6);
             output.set_source(new_source);
             output.set_destination(new_destination);
             output.set_hop_limit(original_packet.get_ttl());
             output.set_next_header(IpNextHeaderProtocols::Udp);
-            output.set_payload_length(udp_packet.packet().len() as u16);
-            output.set_payload(udp_packet.packet());
+            output.set_payload_length(translated_udp_packet.packet().len() as u16);
+            output.set_payload(translated_udp_packet.packet());
             Ok(IpPacket::V6(
                 Ipv6Packet::owned(output.to_immutable().packet().to_vec()).unwrap(),
             ))
@@ -46,16 +64,32 @@ pub async fn proxy_udp_packet<'a>(
 
         // Translate IPv6(UDP) to IPv4(UDP)
         (IpPacket::V6(_), IpAddr::V4(new_source), IpAddr::V4(new_destination)) => {
+            // Construct translated UDP packet
+            let mut translated_udp_packet =
+                MutableUdpPacket::owned(vec![0u8; 8 + udp_packet.payload().len()]).unwrap();
+            translated_udp_packet.set_source(udp_packet.get_source());
+            translated_udp_packet.set_destination(udp_packet.get_destination());
+            translated_udp_packet.set_length(8 + udp_packet.payload().len() as u16);
+            translated_udp_packet.set_payload(udp_packet.payload());
+            translated_udp_packet.set_checksum(0);
+            translated_udp_packet.set_checksum(udp::ipv4_checksum(
+                &translated_udp_packet.to_immutable(),
+                &new_source,
+                &new_destination,
+            ));
+
+            // Construct translated IP packet to wrap UDP packet
             let mut output =
-                MutableIpv4Packet::owned(vec![0u8; 20 + udp_packet.packet().len()]).unwrap();
+                MutableIpv4Packet::owned(vec![0u8; 20 + translated_udp_packet.packet().len()])
+                    .unwrap();
             output.set_version(4);
             output.set_source(new_source);
             output.set_destination(new_destination);
             output.set_ttl(original_packet.get_ttl());
             output.set_next_level_protocol(IpNextHeaderProtocols::Udp);
             output.set_header_length(5);
-            output.set_total_length(20 + udp_packet.packet().len() as u16);
-            output.set_payload(udp_packet.packet());
+            output.set_total_length(20 + translated_udp_packet.packet().len() as u16);
+            output.set_payload(translated_udp_packet.packet());
             output.set_checksum(0);
             output.set_checksum(ipv4::checksum(&output.to_immutable()));
             Ok(IpPacket::V4(