diff --git a/warpgate-common/src/protocols/mod.rs b/warpgate-common/src/protocols/mod.rs
index 8c91b48..675eeee 100644
--- a/warpgate-common/src/protocols/mod.rs
+++ b/warpgate-common/src/protocols/mod.rs
@@ -24,5 +24,5 @@ pub enum TargetTestError {
 #[async_trait]
 pub trait ProtocolServer {
     async fn run(self, address: SocketAddr) -> Result<()>;
-    async fn test_target(self, target: Target) -> Result<(), TargetTestError>;
+    async fn test_target(&self, target: Target) -> Result<(), TargetTestError>;
 }
diff --git a/warpgate-protocol-http/src/lib.rs b/warpgate-protocol-http/src/lib.rs
index b07735c..27d9333 100644
--- a/warpgate-protocol-http/src/lib.rs
+++ b/warpgate-protocol-http/src/lib.rs
@@ -29,7 +29,7 @@ use tokio::sync::Mutex;
 use tracing::*;
 use warpgate_admin::admin_api_app;
 use warpgate_common::{
-    ProtocolServer, Services, Target, TargetTestError, TlsCertificateAndPrivateKey,
+    ProtocolServer, Services, Target, TargetOptions, TargetTestError, TlsCertificateAndPrivateKey,
     TlsCertificateBundle, TlsPrivateKey,
 };
 use warpgate_web::Assets;
@@ -166,7 +166,16 @@ impl ProtocolServer for HTTPProtocolServer {
         Ok(())
     }
 
-    async fn test_target(self, _target: Target) -> Result<(), TargetTestError> {
+    async fn test_target(&self, target: Target) -> Result<(), TargetTestError> {
+        let TargetOptions::Http(options) = target.options else {
+            return Err(TargetTestError::Misconfigured("Not an HTTP target".to_owned()));
+        };
+        let request = poem::Request::builder().uri_str("http://host/").finish();
+        crate::proxy::proxy_normal_request(&request, poem::Body::empty(), &options)
+            .await
+            .map_err(|e| {
+                return TargetTestError::ConnectionError(format!("{e}"));
+            })?;
         Ok(())
     }
 }
diff --git a/warpgate-protocol-mysql/src/client.rs b/warpgate-protocol-mysql/src/client.rs
index ba326c8..5fafe98 100644
--- a/warpgate-protocol-mysql/src/client.rs
+++ b/warpgate-protocol-mysql/src/client.rs
@@ -29,6 +29,30 @@ pub struct ConnectionOptions {
     pub capabilities: Capabilities,
 }
 
+impl Default for ConnectionOptions {
+    fn default() -> Self {
+        ConnectionOptions {
+            collation: 33,
+            database: None,
+            max_packet_size: 0xffff_ffff,
+            capabilities: Capabilities::PROTOCOL_41
+                | Capabilities::PLUGIN_AUTH
+                | Capabilities::FOUND_ROWS
+                | Capabilities::LONG_FLAG
+                | Capabilities::NO_SCHEMA
+                | Capabilities::PLUGIN_AUTH_LENENC_DATA
+                | Capabilities::CONNECT_WITH_DB
+                | Capabilities::SESSION_TRACK
+                | Capabilities::IGNORE_SPACE
+                | Capabilities::INTERACTIVE
+                | Capabilities::TRANSACTIONS
+                | Capabilities::DEPRECATE_EOF
+                | Capabilities::SECURE_CONNECTION
+                | Capabilities::SSL,
+        }
+    }
+}
+
 impl MySqlClient {
     pub async fn connect(
         target: &TargetMySqlOptions,
diff --git a/warpgate-protocol-mysql/src/lib.rs b/warpgate-protocol-mysql/src/lib.rs
index f484f7a..e091f1e 100644
--- a/warpgate-protocol-mysql/src/lib.rs
+++ b/warpgate-protocol-mysql/src/lib.rs
@@ -12,12 +12,13 @@ use std::sync::Arc;
 
 use anyhow::{Context, Result};
 use async_trait::async_trait;
+use client::{ConnectionOptions, MySqlClient};
 use rustls::server::NoClientAuth;
 use rustls::ServerConfig;
 use tokio::net::TcpListener;
 use tracing::*;
 use warpgate_common::{
-    ProtocolServer, Services, SessionStateInit, Target, TargetTestError,
+    ProtocolServer, Services, SessionStateInit, Target, TargetOptions, TargetTestError,
     TlsCertificateAndPrivateKey, TlsCertificateBundle, TlsPrivateKey,
 };
 
@@ -108,7 +109,13 @@ impl ProtocolServer for MySQLProtocolServer {
         }
     }
 
-    async fn test_target(self, _target: Target) -> Result<(), TargetTestError> {
+    async fn test_target(&self, target: Target) -> Result<(), TargetTestError> {
+        let TargetOptions::MySql(options) = target.options else {
+            return Err(TargetTestError::Misconfigured("Not a MySQL target".to_owned()));
+        };
+        MySqlClient::connect(&options, ConnectionOptions::default())
+            .await
+            .map_err(|e| TargetTestError::ConnectionError(format!("{e}")))?;
         Ok(())
     }
 }
diff --git a/warpgate-protocol-ssh/src/lib.rs b/warpgate-protocol-ssh/src/lib.rs
index eaf563e..df13480 100644
--- a/warpgate-protocol-ssh/src/lib.rs
+++ b/warpgate-protocol-ssh/src/lib.rs
@@ -47,7 +47,7 @@ impl ProtocolServer for SSHProtocolServer {
         run_server(self.services, address).await
     }
 
-    async fn test_target(self, target: Target) -> Result<(), TargetTestError> {
+    async fn test_target(&self, target: Target) -> Result<(), TargetTestError> {
         let TargetOptions::Ssh(ssh_options) = target.options else {
             return Err(TargetTestError::Misconfigured("Not an SSH target".to_owned()));
         };
diff --git a/warpgate/src/commands/test_target.rs b/warpgate/src/commands/test_target.rs
index e92c8e4..02017e1 100644
--- a/warpgate/src/commands/test_target.rs
+++ b/warpgate/src/commands/test_target.rs
@@ -1,6 +1,6 @@
 use anyhow::Result;
 use tracing::*;
-use warpgate_common::{ProtocolServer, Services, Target, TargetTestError};
+use warpgate_common::{ProtocolServer, Services, Target, TargetOptions, TargetTestError};
 
 use crate::config::load_config;
 
@@ -19,7 +19,22 @@ pub(crate) async fn command(cli: &crate::Cli, target_name: &String) -> Result<()
 
     let services = Services::new(config.clone()).await?;
 
-    let s = warpgate_protocol_ssh::SSHProtocolServer::new(&services).await?;
+    let s: Box<dyn ProtocolServer> = match target.options {
+        TargetOptions::Ssh(_) => {
+            Box::new(warpgate_protocol_ssh::SSHProtocolServer::new(&services).await?)
+        }
+        TargetOptions::Http(_) => {
+            Box::new(warpgate_protocol_http::HTTPProtocolServer::new(&services).await?)
+        }
+        TargetOptions::MySql(_) => {
+            Box::new(warpgate_protocol_mysql::MySQLProtocolServer::new(&services).await?)
+        }
+        TargetOptions::WebAdmin(_) => {
+            error!("Unsupported target type");
+            return Ok(());
+        }
+    };
+
     match s.test_target(target).await {
         Err(TargetTestError::AuthenticationError) => {
             error!("Authentication failed");