diff --git a/.gitignore b/.gitignore
index 829960b..98c0dab 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,7 +16,9 @@ host_key*
 # ---
 
 data
+data-*
 config.*.yaml
 config.yaml
 __pycache__
 .pytest_cache
+dhat-heap.json
diff --git a/warpgate-db-entities/src/KnownHost.rs b/warpgate-db-entities/src/KnownHost.rs
index 1a57376..3ebbbfa 100644
--- a/warpgate-db-entities/src/KnownHost.rs
+++ b/warpgate-db-entities/src/KnownHost.rs
@@ -10,7 +10,7 @@ pub struct Model {
     #[sea_orm(primary_key, auto_increment = false)]
     pub id: Uuid,
     pub host: String,
-    pub port: u16,
+    pub port: i32,
     pub key_type: String,
     pub key_base64: String,
 }
diff --git a/warpgate-db-entities/src/Ticket.rs b/warpgate-db-entities/src/Ticket.rs
index da4d482..64eb1e0 100644
--- a/warpgate-db-entities/src/Ticket.rs
+++ b/warpgate-db-entities/src/Ticket.rs
@@ -14,7 +14,7 @@ pub struct Model {
     pub secret: String,
     pub username: String,
     pub target: String,
-    pub uses_left: Option<u32>,
+    pub uses_left: Option<i32>,
     pub expiry: Option<DateTime<Utc>>,
     pub created: DateTime<Utc>,
 }
diff --git a/warpgate-db-migrations/src/m00001_create_ticket.rs b/warpgate-db-migrations/src/m00001_create_ticket.rs
index 2beac1a..c085a79 100644
--- a/warpgate-db-migrations/src/m00001_create_ticket.rs
+++ b/warpgate-db-migrations/src/m00001_create_ticket.rs
@@ -13,7 +13,7 @@ pub mod ticket {
         pub secret: String,
         pub username: String,
         pub target: String,
-        pub uses_left: Option<u32>,
+        pub uses_left: Option<i16>,
         pub expiry: Option<DateTimeUtc>,
         pub created: DateTimeUtc,
     }
diff --git a/warpgate-db-migrations/src/m00004_create_known_host.rs b/warpgate-db-migrations/src/m00004_create_known_host.rs
index 0eccb76..36672d6 100644
--- a/warpgate-db-migrations/src/m00004_create_known_host.rs
+++ b/warpgate-db-migrations/src/m00004_create_known_host.rs
@@ -11,7 +11,7 @@ pub mod known_host {
         #[sea_orm(primary_key, auto_increment = false)]
         pub id: Uuid,
         pub host: String,
-        pub port: u16,
+        pub port: i32,
         pub key_type: String,
         pub key_base64: String,
     }
diff --git a/warpgate-protocol-ssh/src/known_hosts.rs b/warpgate-protocol-ssh/src/known_hosts.rs
index 129143a..24bfe8f 100644
--- a/warpgate-protocol-ssh/src/known_hosts.rs
+++ b/warpgate-protocol-ssh/src/known_hosts.rs
@@ -63,7 +63,7 @@ impl KnownHosts {
         let values = KnownHost::ActiveModel {
             id: Set(Uuid::new_v4()),
             host: Set(host.to_owned()),
-            port: Set(port),
+            port: Set(port.into()),
             key_type: Set(key.name().to_owned()),
             key_base64: Set(key.public_key_base64()),
         };