diff --git a/terraria/module.yaml b/terraria/module.yaml
index a43dfe3..b3b884a 100644
--- a/terraria/module.yaml
+++ b/terraria/module.yaml
@@ -2,7 +2,7 @@
 apiVersion: gameplane.local/module/v1
 name: terraria
 displayName: Terraria
-version: 2.2.1
+version: 2.2.2
 game: terraria
 categories: [Sandbox, Survival, Adventure, Modded]
 summary: Terraria + tModLoader dedicated server (passivelemon/terraria-docker) with a vanilla/tModLoader version picker and a tModLoader ModPacks volume. Console via container stdin.
diff --git a/terraria/specs.md b/terraria/specs.md
index 52495d5..bf5f964 100644
--- a/terraria/specs.md
+++ b/terraria/specs.md
@@ -74,7 +74,7 @@ Declared ports under `spec.ports`:
 ## 8. Key Invariants & Security
 
 - **Network Wake Protocol**: Declares `wakeProtocol: terraria` under `spec.ports[game]` to allow wake-on-traffic.
-- **Readiness Probe**: Uses TCP socket probe against port `7777`.
+- **Readiness Probe**: An `exec` probe reads `/proc/net/tcp` for a socket listening on port `7777` (`0x1E61`). It never connects: a `tcpSocket` probe's connect-and-close crashes the server (`ObjectDisposedException` in `Netplay.ServerLoop`) and crash-loops the pod.
 
 ---
 
diff --git a/terraria/template.yaml b/terraria/template.yaml
index 19869d4..babdee9 100644
--- a/terraria/template.yaml
+++ b/terraria/template.yaml
@@ -92,8 +92,11 @@ spec:
 
   probes:
     readiness:
-      tcpSocket:
-        port: game
+      # Ready once the server LISTENs on 7777 (0x1E61 in /proc/net/tcp). Never
+      # tcpSocket: the kubelet's connect-and-close crashes the server
+      # (ObjectDisposedException in Netplay.ServerLoop) and crash-loops the pod.
+      exec:
+        command: ["sh", "-c", "grep -qsE ':1E61 [0-9A-F]+:[0-9A-F]{4} 0A' /proc/net/tcp /proc/net/tcp6"]
       initialDelaySeconds: 30
       periodSeconds: 10
       failureThreshold: 30
diff --git a/tmodloader/module.yaml b/tmodloader/module.yaml
index e23028a..4e1b63f 100644
--- a/tmodloader/module.yaml
+++ b/tmodloader/module.yaml
@@ -2,7 +2,7 @@
 apiVersion: gameplane.local/module/v1
 name: tmodloader
 displayName: tModLoader
-version: 1.0.0
+version: 1.0.1
 game: tmodloader
 categories: [Sandbox, Survival, Adventure, Modded]
 summary: tModLoader dedicated server for modded Terraria gameplay with PTY console, .tmod mod manager, and world saves.
diff --git a/tmodloader/specs.md b/tmodloader/specs.md
index 140e4ba..1c9f64d 100644
--- a/tmodloader/specs.md
+++ b/tmodloader/specs.md
@@ -73,7 +73,7 @@ Declared ports under `spec.ports`:
 ## 8. Key Invariants & Security
 
 - **Wake-On-Traffic**: Declares `wakeProtocol: terraria` under `spec.ports[game]`.
-- **Readiness Probe**: Uses TCP probe on port `7777`.
+- **Readiness Probe**: The same `exec` probe as vanilla Terraria: it reads `/proc/net/tcp` for a socket listening on port `7777` (`0x1E61`) instead of connecting, because a `tcpSocket` probe's connect-and-close crashes the server (`ObjectDisposedException` in `Netplay.ServerLoop`).
 
 ---
 
diff --git a/tmodloader/template.yaml b/tmodloader/template.yaml
index 6ec4809..81da7a6 100644
--- a/tmodloader/template.yaml
+++ b/tmodloader/template.yaml
@@ -55,8 +55,11 @@ spec:
 
   probes:
     readiness:
-      tcpSocket:
-        port: game
+      # Ready once the server LISTENs on 7777 (0x1E61 in /proc/net/tcp). Never
+      # tcpSocket: the kubelet's connect-and-close crashes the server
+      # (ObjectDisposedException in Netplay.ServerLoop) and crash-loops the pod.
+      exec:
+        command: ["sh", "-c", "grep -qsE ':1E61 [0-9A-F]+:[0-9A-F]{4} 0A' /proc/net/tcp /proc/net/tcp6"]
       initialDelaySeconds: 30
       periodSeconds: 10
       failureThreshold: 30