diff --git a/g3proxy/src/escape/direct_fixed/udp_relay/recv.rs b/g3proxy/src/escape/direct_fixed/udp_relay/recv.rs
index 1e62d380..0274a8ee 100644
--- a/g3proxy/src/escape/direct_fixed/udp_relay/recv.rs
+++ b/g3proxy/src/escape/direct_fixed/udp_relay/recv.rs
@@ -25,6 +25,7 @@ use g3_io_ext::{AsyncUdpRecv, UdpRelayRemoteError, UdpRelayRemoteRecv};
     target_os = "netbsd",
     target_os = "openbsd",
     target_os = "macos",
+    target_os = "solaris",
 ))]
 use g3_io_ext::{RecvMsgHdr, UdpRelayPacket, UdpRelayPacketMeta};
 use g3_types::net::UpstreamAddr;
@@ -103,6 +104,7 @@ where
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_recv_packets(
         inner: &mut T,
@@ -160,6 +162,7 @@ where
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_recv_packets(
         &mut self,
diff --git a/g3proxy/src/escape/direct_fixed/udp_relay/send.rs b/g3proxy/src/escape/direct_fixed/udp_relay/send.rs
index e6ed691c..79c5173b 100644
--- a/g3proxy/src/escape/direct_fixed/udp_relay/send.rs
+++ b/g3proxy/src/escape/direct_fixed/udp_relay/send.rs
@@ -29,6 +29,7 @@ use g3_io_ext::{AsyncUdpSend, UdpRelayRemoteError, UdpRelayRemoteSend};
     target_os = "freebsd",
     target_os = "netbsd",
     target_os = "openbsd",
+    target_os = "solaris",
 ))]
 use g3_io_ext::{SendMsgHdr, UdpRelayPacket};
 use g3_resolver::{ResolveError, ResolveLocalError};
@@ -285,6 +286,7 @@ where
         target_os = "freebsd",
         target_os = "netbsd",
         target_os = "openbsd",
+        target_os = "solaris",
     ))]
     fn poll_send_packets(
         inner: &mut T,
@@ -341,6 +343,7 @@ where
         target_os = "freebsd",
         target_os = "netbsd",
         target_os = "openbsd",
+        target_os = "solaris",
     ))]
     fn poll_send_packets(
         &mut self,
diff --git a/g3proxy/src/escape/proxy_socks5/udp_relay/recv.rs b/g3proxy/src/escape/proxy_socks5/udp_relay/recv.rs
index b9cce1cf..87fcc556 100644
--- a/g3proxy/src/escape/proxy_socks5/udp_relay/recv.rs
+++ b/g3proxy/src/escape/proxy_socks5/udp_relay/recv.rs
@@ -29,6 +29,7 @@ use g3_io_ext::{AsyncUdpRecv, UdpRelayRemoteError, UdpRelayRemoteRecv};
     target_os = "netbsd",
     target_os = "openbsd",
     target_os = "macos",
+    target_os = "solaris",
 ))]
 use g3_io_ext::{RecvMsgHdr, UdpRelayPacket, UdpRelayPacketMeta};
 use g3_socks::v5::UdpInput;
@@ -135,6 +136,7 @@ where
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_recv_packets(
         &mut self,
diff --git a/g3proxy/src/escape/proxy_socks5/udp_relay/send.rs b/g3proxy/src/escape/proxy_socks5/udp_relay/send.rs
index 820f0949..d2f80fa1 100644
--- a/g3proxy/src/escape/proxy_socks5/udp_relay/send.rs
+++ b/g3proxy/src/escape/proxy_socks5/udp_relay/send.rs
@@ -26,6 +26,7 @@ use g3_io_ext::{AsyncUdpSend, UdpRelayRemoteError, UdpRelayRemoteSend};
     target_os = "netbsd",
     target_os = "openbsd",
     target_os = "macos",
+    target_os = "solaris",
 ))]
 use g3_io_ext::{SendMsgHdr, UdpRelayPacket};
 use g3_socks::v5::SocksUdpHeader;
@@ -86,6 +87,7 @@ where
         target_os = "freebsd",
         target_os = "netbsd",
         target_os = "openbsd",
+        target_os = "solaris",
     ))]
     fn poll_send_packets(
         &mut self,
diff --git a/g3proxy/src/serve/socks_proxy/task/udp_associate/recv.rs b/g3proxy/src/serve/socks_proxy/task/udp_associate/recv.rs
index 20a3bfea..2268d9eb 100644
--- a/g3proxy/src/serve/socks_proxy/task/udp_associate/recv.rs
+++ b/g3proxy/src/serve/socks_proxy/task/udp_associate/recv.rs
@@ -27,6 +27,7 @@ use g3_io_ext::{AsyncUdpRecv, UdpRelayClientError, UdpRelayClientRecv};
     target_os = "netbsd",
     target_os = "openbsd",
     target_os = "macos",
+    target_os = "solaris",
 ))]
 use g3_io_ext::{RecvMsgHdr, UdpRelayPacket, UdpRelayPacketMeta};
 use g3_socks::v5::UdpInput;
@@ -242,6 +243,7 @@ where
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_recv_packets(
         &mut self,
diff --git a/g3proxy/src/serve/socks_proxy/task/udp_associate/send.rs b/g3proxy/src/serve/socks_proxy/task/udp_associate/send.rs
index 994660fa..8cc95c76 100644
--- a/g3proxy/src/serve/socks_proxy/task/udp_associate/send.rs
+++ b/g3proxy/src/serve/socks_proxy/task/udp_associate/send.rs
@@ -26,6 +26,7 @@ use g3_io_ext::{AsyncUdpSend, UdpRelayClientError, UdpRelayClientSend};
     target_os = "netbsd",
     target_os = "openbsd",
     target_os = "macos",
+    target_os = "solaris",
 ))]
 use g3_io_ext::{SendMsgHdr, UdpRelayPacket};
 use g3_socks::v5::SocksUdpHeader;
@@ -83,6 +84,7 @@ where
         target_os = "freebsd",
         target_os = "netbsd",
         target_os = "openbsd",
+        target_os = "solaris",
     ))]
     fn poll_send_packets(
         &mut self,
diff --git a/g3proxy/src/serve/socks_proxy/task/udp_connect/recv.rs b/g3proxy/src/serve/socks_proxy/task/udp_connect/recv.rs
index f98e2ee5..61074caa 100644
--- a/g3proxy/src/serve/socks_proxy/task/udp_connect/recv.rs
+++ b/g3proxy/src/serve/socks_proxy/task/udp_connect/recv.rs
@@ -27,6 +27,7 @@ use g3_io_ext::{AsyncUdpRecv, UdpCopyClientError, UdpCopyClientRecv};
     target_os = "netbsd",
     target_os = "openbsd",
     target_os = "macos",
+    target_os = "solaris",
 ))]
 use g3_io_ext::{RecvMsgHdr, UdpCopyPacket, UdpCopyPacketMeta};
 use g3_socks::v5::UdpInput;
@@ -168,6 +169,7 @@ where
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_recv_packets(
         &mut self,
diff --git a/g3proxy/src/serve/socks_proxy/task/udp_connect/send.rs b/g3proxy/src/serve/socks_proxy/task/udp_connect/send.rs
index 86e59607..4d9766f0 100644
--- a/g3proxy/src/serve/socks_proxy/task/udp_connect/send.rs
+++ b/g3proxy/src/serve/socks_proxy/task/udp_connect/send.rs
@@ -25,6 +25,7 @@ use g3_io_ext::{AsyncUdpSend, UdpCopyClientError, UdpCopyClientSend};
     target_os = "netbsd",
     target_os = "openbsd",
     target_os = "macos",
+    target_os = "solaris",
 ))]
 use g3_io_ext::{SendMsgHdr, UdpCopyPacket};
 use g3_socks::v5::UdpOutput;
@@ -81,6 +82,7 @@ where
         target_os = "freebsd",
         target_os = "netbsd",
         target_os = "openbsd",
+        target_os = "solaris",
     ))]
     fn poll_send_packets(
         &mut self,
diff --git a/lib/g3-io-ext/src/udp/copy/client.rs b/lib/g3-io-ext/src/udp/copy/client.rs
index c4b2738d..445f9fbb 100644
--- a/lib/g3-io-ext/src/udp/copy/client.rs
+++ b/lib/g3-io-ext/src/udp/copy/client.rs
@@ -26,6 +26,7 @@ use thiserror::Error;
     target_os = "netbsd",
     target_os = "openbsd",
     target_os = "macos",
+    target_os = "solaris",
 ))]
 use super::UdpCopyPacket;
 
@@ -63,6 +64,7 @@ pub trait UdpCopyClientRecv {
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_recv_packets(
         &mut self,
@@ -86,6 +88,7 @@ pub trait UdpCopyClientSend {
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_send_packets(
         &mut self,
diff --git a/lib/g3-io-ext/src/udp/copy/mod.rs b/lib/g3-io-ext/src/udp/copy/mod.rs
index ab648df2..cac77b39 100644
--- a/lib/g3-io-ext/src/udp/copy/mod.rs
+++ b/lib/g3-io-ext/src/udp/copy/mod.rs
@@ -157,6 +157,7 @@ impl<T: UdpCopyClientRecv + ?Sized> UdpCopyRecv for ClientRecv<'_, T> {
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_recv_packets(
         &mut self,
@@ -194,6 +195,7 @@ impl<T: UdpCopyRemoteRecv + ?Sized> UdpCopyRecv for RemoteRecv<'_, T> {
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_recv_packets(
         &mut self,
@@ -256,6 +258,7 @@ impl<T: UdpCopyClientSend + ?Sized> UdpCopySend for ClientSend<'_, T> {
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_send_packets(
         &mut self,
@@ -288,6 +291,7 @@ impl<T: UdpCopyRemoteSend + ?Sized> UdpCopySend for RemoteSend<'_, T> {
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_send_packets(
         &mut self,
diff --git a/lib/g3-io-ext/src/udp/copy/remote.rs b/lib/g3-io-ext/src/udp/copy/remote.rs
index 5cf2bb78..abe06d7f 100644
--- a/lib/g3-io-ext/src/udp/copy/remote.rs
+++ b/lib/g3-io-ext/src/udp/copy/remote.rs
@@ -26,6 +26,7 @@ use thiserror::Error;
     target_os = "netbsd",
     target_os = "openbsd",
     target_os = "macos",
+    target_os = "solaris",
 ))]
 use super::UdpCopyPacket;
 
@@ -63,6 +64,7 @@ pub trait UdpCopyRemoteRecv {
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_recv_packets(
         &mut self,
@@ -86,6 +88,7 @@ pub trait UdpCopyRemoteSend {
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_send_packets(
         &mut self,
diff --git a/lib/g3-io-ext/src/udp/ext/unix.rs b/lib/g3-io-ext/src/udp/ext/unix.rs
index 1109b9b0..bb60db9c 100644
--- a/lib/g3-io-ext/src/udp/ext/unix.rs
+++ b/lib/g3-io-ext/src/udp/ext/unix.rs
@@ -230,6 +230,7 @@ impl UdpSocketExt for UdpSocket {
             target_os = "netbsd",
             target_os = "openbsd",
             target_os = "illumos",
+            target_os = "solaris",
         ))]
         let flags: SendFlags = SendFlags::DONTWAIT | SendFlags::NOSIGNAL;
         #[cfg(target_os = "macos")]
@@ -266,6 +267,7 @@ impl UdpSocketExt for UdpSocket {
             target_os = "netbsd",
             target_os = "openbsd",
             target_os = "illumos",
+            target_os = "solaris",
         ))]
         let flags: SendFlags = SendFlags::DONTWAIT | SendFlags::NOSIGNAL;
         #[cfg(target_os = "macos")]
diff --git a/lib/g3-io-ext/src/udp/recv.rs b/lib/g3-io-ext/src/udp/recv.rs
index ad49d3ec..524b21df 100644
--- a/lib/g3-io-ext/src/udp/recv.rs
+++ b/lib/g3-io-ext/src/udp/recv.rs
@@ -31,6 +31,7 @@ use tokio::time::{Instant, Sleep};
     target_os = "netbsd",
     target_os = "openbsd",
     target_os = "macos",
+    target_os = "solaris",
 ))]
 use super::RecvMsgHdr;
 use crate::limit::{DatagramLimitAction, DatagramLimiter};
@@ -52,6 +53,7 @@ pub trait AsyncUdpRecv {
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_batch_recvmsg<const C: usize>(
         &mut self,
@@ -219,6 +221,7 @@ where
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_batch_recvmsg<const C: usize>(
         &mut self,
diff --git a/lib/g3-io-ext/src/udp/relay/client.rs b/lib/g3-io-ext/src/udp/relay/client.rs
index 48949ba2..63aed0a4 100644
--- a/lib/g3-io-ext/src/udp/relay/client.rs
+++ b/lib/g3-io-ext/src/udp/relay/client.rs
@@ -28,6 +28,7 @@ use g3_types::net::UpstreamAddr;
     target_os = "netbsd",
     target_os = "openbsd",
     target_os = "macos",
+    target_os = "solaris",
 ))]
 use super::UdpRelayPacket;
 
@@ -67,6 +68,7 @@ pub trait UdpRelayClientRecv {
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_recv_packets(
         &mut self,
@@ -91,6 +93,7 @@ pub trait UdpRelayClientSend {
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_send_packets(
         &mut self,
diff --git a/lib/g3-io-ext/src/udp/relay/mod.rs b/lib/g3-io-ext/src/udp/relay/mod.rs
index b11b878f..b9e0d39a 100644
--- a/lib/g3-io-ext/src/udp/relay/mod.rs
+++ b/lib/g3-io-ext/src/udp/relay/mod.rs
@@ -175,6 +175,7 @@ impl<T: UdpRelayClientRecv + ?Sized> UdpRelayRecv for ClientRecv<'_, T> {
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_recv_packets(
         &mut self,
@@ -213,6 +214,7 @@ impl<T: UdpRelayRemoteRecv + ?Sized> UdpRelayRecv for RemoteRecv<'_, T> {
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_recv_packets(
         &mut self,
@@ -275,6 +277,7 @@ impl<T: UdpRelayClientSend + ?Sized> UdpRelaySend for ClientSend<'_, T> {
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_send_packets(
         &mut self,
diff --git a/lib/g3-io-ext/src/udp/relay/remote.rs b/lib/g3-io-ext/src/udp/relay/remote.rs
index 24fe576c..aaf888bc 100644
--- a/lib/g3-io-ext/src/udp/relay/remote.rs
+++ b/lib/g3-io-ext/src/udp/relay/remote.rs
@@ -71,6 +71,7 @@ pub trait UdpRelayRemoteRecv {
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_recv_packets(
         &mut self,
diff --git a/lib/g3-io-ext/src/udp/send.rs b/lib/g3-io-ext/src/udp/send.rs
index be7a22c6..f2cda22c 100644
--- a/lib/g3-io-ext/src/udp/send.rs
+++ b/lib/g3-io-ext/src/udp/send.rs
@@ -31,6 +31,7 @@ use tokio::time::{Instant, Sleep};
     target_os = "netbsd",
     target_os = "openbsd",
     target_os = "macos",
+    target_os = "solaris",
 ))]
 use super::SendMsgHdr;
 use crate::limit::{DatagramLimitAction, DatagramLimiter};
@@ -59,6 +60,7 @@ pub trait AsyncUdpSend {
         target_os = "freebsd",
         target_os = "netbsd",
         target_os = "openbsd",
+        target_os = "solaris",
     ))]
     fn poll_batch_sendmsg<const C: usize>(
         &mut self,
@@ -286,6 +288,7 @@ where
         target_os = "freebsd",
         target_os = "netbsd",
         target_os = "openbsd",
+        target_os = "solaris",
     ))]
     fn poll_batch_sendmsg<const C: usize>(
         &mut self,
diff --git a/lib/g3-io-ext/src/udp/split.rs b/lib/g3-io-ext/src/udp/split.rs
index 3f05cc42..b5859888 100644
--- a/lib/g3-io-ext/src/udp/split.rs
+++ b/lib/g3-io-ext/src/udp/split.rs
@@ -32,6 +32,7 @@ use super::{AsyncUdpRecv, AsyncUdpSend, UdpSocketExt};
     target_os = "netbsd",
     target_os = "openbsd",
     target_os = "macos",
+    target_os = "solaris",
 ))]
 use super::{RecvMsgHdr, SendMsgHdr};
 
@@ -107,6 +108,7 @@ impl AsyncUdpSend for SendHalf {
         target_os = "freebsd",
         target_os = "netbsd",
         target_os = "openbsd",
+        target_os = "solaris",
     ))]
     fn poll_batch_sendmsg<const C: usize>(
         &mut self,
@@ -160,6 +162,7 @@ impl AsyncUdpRecv for RecvHalf {
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_batch_recvmsg<const C: usize>(
         &mut self,
diff --git a/lib/g3-socks/src/v5/quic.rs b/lib/g3-socks/src/v5/quic.rs
index e5ae0621..a73c1c83 100644
--- a/lib/g3-socks/src/v5/quic.rs
+++ b/lib/g3-socks/src/v5/quic.rs
@@ -240,6 +240,7 @@ impl AsyncUdpSocket for Socks5UdpSocket {
         target_os = "netbsd",
         target_os = "openbsd",
         target_os = "macos",
+        target_os = "solaris",
     ))]
     fn poll_recv(
         &self,
@@ -284,7 +285,7 @@ impl AsyncUdpSocket for Socks5UdpSocket {
         }
     }
 
-    #[cfg(any(windows, target_os = "dragonfly"))]
+    #[cfg(any(windows, target_os = "dragonfly", target_os = "illumos"))]
     fn poll_recv(
         &self,
         cx: &mut Context,
diff --git a/lib/g3-udpdump/src/stream/sink.rs b/lib/g3-udpdump/src/stream/sink.rs
index 25cbc3a9..4666acb7 100644
--- a/lib/g3-udpdump/src/stream/sink.rs
+++ b/lib/g3-udpdump/src/stream/sink.rs
@@ -53,6 +53,7 @@ impl Sinker {
         target_os = "freebsd",
         target_os = "netbsd",
         target_os = "openbsd",
+        target_os = "solaris",
     ))]
     async fn send_udp(&self, packets: &[Vec<u8>]) -> io::Result<()> {
         use g3_io_ext::{SendMsgHdr, UdpSocketExt};
@@ -88,7 +89,7 @@ impl Sinker {
         Ok(())
     }
 
-    #[cfg(any(windows, target_os = "dragonfly"))]
+    #[cfg(any(windows, target_os = "dragonfly", target_os = "illumos"))]
     async fn send_udp(&self, packets: &[Vec<u8>]) -> io::Result<()> {
         for pkt in packets {
             self.socket.send(pkt.as_slice()).await?;