diff --git a/src/admin/web/manage.ts b/src/admin/web/manage.ts
index 587e63a..366d23d 100644
--- a/src/admin/web/manage.ts
+++ b/src/admin/web/manage.ts
@@ -165,8 +165,8 @@ router.post("/reactivate-user/:token", (req, res) => {
 
   userStore.upsertUser({
     token: user.token,
-    disabledAt: 0,
-    disabledReason: "",
+    disabledAt: null,
+    disabledReason: null,
   });
   return res.sendStatus(204);
 });
diff --git a/src/admin/web/views/admin_list-users.ejs b/src/admin/web/views/admin_list-users.ejs
index 4acacb5..d259d2e 100644
--- a/src/admin/web/views/admin_list-users.ejs
+++ b/src/admin/web/views/admin_list-users.ejs
@@ -80,41 +80,8 @@
   const state = localStorage.getItem("showNicknames") === "true";
   document.getElementById("toggle-nicknames").checked = state;
   toggleNicknames();
-  
-  document.querySelectorAll("td.actions a.ban").forEach(function (a) {
-    a.addEventListener("click", function (e) {
-      e.preventDefault();
-      var token = a.getAttribute("data-token");
-      if (confirm("Are you sure you want to ban this user?")) {
-        let reason = prompt("Reason for ban:");
-        fetch(
-          "/admin/manage/disable-user/" + token,
-          { 
-            method: "POST", 
-            credentials: "same-origin",
-            body: JSON.stringify({ reason, _csrf: document.querySelector("meta[name=csrf-token]").getAttribute("content") }),
-            headers: { "Content-Type": "application/json" }
-          }).then(() => window.location.reload());
-      }
-    });
-  });
-
-  document.querySelectorAll("td.actions a.unban").forEach(function (a) {
-    a.addEventListener("click", function (e) {
-      e.preventDefault();
-      var token = a.getAttribute("data-token");
-      if (confirm("Are you sure you want to unban this user?")) {
-        fetch(
-          "/admin/manage/reactivate-user/" + token,
-          { 
-            method: "POST", 
-            credentials: "same-origin",
-            body: JSON.stringify({ _csrf: document.querySelector("meta[name=csrf-token]").getAttribute("content") }),
-            headers: { "Content-Type": "application/json" }
-          }
-        ).then(() => window.location.reload());
-      }
-    });
-  });
 </script>
+
+<%- include("partials/admin-ban-xhr-script") %>
+
 <%- include("partials/admin-footer") %>
diff --git a/src/admin/web/views/admin_view-user.ejs b/src/admin/web/views/admin_view-user.ejs
index 6200da2..0412dd4 100644
--- a/src/admin/web/views/admin_view-user.ejs
+++ b/src/admin/web/views/admin_view-user.ejs
@@ -41,17 +41,35 @@
     </tr>
     <tr>
       <th scope="row">Disabled At</th>
-      <td colspan="2"><%- user.disabledAt %></td>
+      <td><%- user.disabledAt %></td>
+      <td class="actions">
+        <% if (user.disabledAt) { %>
+        <a title="Unban" href="#" class="unban" data-token="<%= user.token %>">🔄️</a>
+        <% } else { %>
+        <a title="Ban" href="#" class="ban" data-token="<%= user.token %>">🚫</a>
+        <% } %>
+      </td>
     </tr>
     <tr>
       <th scope="row">Disabled Reason</th>
-      <td colspan="2"><%- user.disabledReason %></td>
+      <td><%- user.disabledReason %></td>
+      <% if (user.disabledAt) { %>
+      <td class="actions">
+        <a title="Edit" id="edit-disabledReason" href="#" data-field="disabledReason"
+          data-token="<%= user.token %>">✏️</a>
+      </td>
+      <% } %>
+    </tr>
+    <tr>
+      <th scope="row">IP Address Limit</th>
+      <td><%- (user.maxIps ?? maxIps) || "Unlimited" %></td>
+      <td class="actions">
+        <a title="Edit" id="edit-maxIps" href="#" data-field="maxIps" data-token="<%= user.token %>">✏️</a>
+      </td>
     </tr>
     <tr>
       <th scope="row">IPs</th>
-      <td colspan="2">
-        <%- include("partials/shared_user_ip_list", { user, shouldRedact: false }) %>
-      </td>
+      <td colspan="2"><%- include("partials/shared_user_ip_list", { user, shouldRedact: false }) %></td>
     </tr>
     <% if (user.type === "temporary") { %>
     <tr>
@@ -69,9 +87,7 @@
   <input type="hidden" name="_csrf" value="<%- csrfToken %>" />
   <button type="submit" class="btn btn-primary">Refresh Quotas for User</button>
 </form>
-<% } %>
-<%- include("partials/shared_quota-info", { quota, user }) %>
-
+<% } %> <%- include("partials/shared_quota-info", { quota, user }) %>
 
 <p><a href="/admin/manage/list-users">Back to User List</a></p>
 
@@ -112,4 +128,4 @@
   });
 </script>
 
-<%- include("partials/admin-footer") %>
+<%- include("partials/admin-ban-xhr-script") %> <%- include("partials/admin-footer") %>
diff --git a/src/admin/web/views/partials/admin-ban-xhr-script.ejs b/src/admin/web/views/partials/admin-ban-xhr-script.ejs
new file mode 100644
index 0000000..ef76450
--- /dev/null
+++ b/src/admin/web/views/partials/admin-ban-xhr-script.ejs
@@ -0,0 +1,32 @@
+<script>
+  document.querySelectorAll("td.actions a.ban").forEach(function (a) {
+    a.addEventListener("click", function (e) {
+      e.preventDefault();
+      var token = a.getAttribute("data-token");
+      if (confirm("Are you sure you want to ban this user?")) {
+        let reason = prompt("Reason for ban:");
+        fetch("/admin/manage/disable-user/" + token, {
+          method: "POST",
+          credentials: "same-origin",
+          body: JSON.stringify({ reason, _csrf: document.querySelector("meta[name=csrf-token]").getAttribute("content") }),
+          headers: { "Content-Type": "application/json" },
+        }).then(() => window.location.reload());
+      }
+    });
+  });
+
+  document.querySelectorAll("td.actions a.unban").forEach(function (a) {
+    a.addEventListener("click", function (e) {
+      e.preventDefault();
+      var token = a.getAttribute("data-token");
+      if (confirm("Are you sure you want to unban this user?")) {
+        fetch("/admin/manage/reactivate-user/" + token, {
+          method: "POST",
+          credentials: "same-origin",
+          body: JSON.stringify({ _csrf: document.querySelector("meta[name=csrf-token]").getAttribute("content") }),
+          headers: { "Content-Type": "application/json" },
+        }).then(() => window.location.reload());
+      }
+    });
+  });
+</script>
diff --git a/src/shared/users/schema.ts b/src/shared/users/schema.ts
index 27ee3e2..8339bc7 100644
--- a/src/shared/users/schema.ts
+++ b/src/shared/users/schema.ts
@@ -50,6 +50,8 @@ export const UserSchema = z
     disabledReason: z.string().optional(),
     /** Time at which the user will expire and be disabled (for temp users). */
     expiresAt: z.number().optional(),
+    /** The user's maximum number of IP addresses; supercedes global max. */
+    maxIps: z.coerce.number().int().min(0).optional(),
   })
   .strict();
 
diff --git a/src/shared/users/user-store.ts b/src/shared/users/user-store.ts
index e34d123..20f2750 100644
--- a/src/shared/users/user-store.ts
+++ b/src/shared/users/user-store.ts
@@ -17,8 +17,6 @@ import { User, UserUpdate } from "./schema";
 
 const log = logger.child({ module: "users" });
 
-const MAX_IPS_PER_USER = config.maxIpsPerUser;
-
 const users: Map<string, User> = new Map();
 const usersToFlush = new Set<string>();
 let quotaRefreshJob: schedule.Job | null = null;
@@ -173,10 +171,10 @@ export function authenticate(token: string, ip: string) {
   const user = users.get(token);
   if (!user || user.disabledAt) return;
   if (!user.ip.includes(ip)) user.ip.push(ip);
-
-  // If too many IPs are associated with the user, disable the account.
+  
+  const configIpLimit = user.maxIps ?? config.maxIpsPerUser;
   const ipLimit =
-    user.type === "special" || !MAX_IPS_PER_USER ? Infinity : MAX_IPS_PER_USER;
+    user.type === "special" || !configIpLimit ? Infinity : configIpLimit;
   if (user.ip.length > ipLimit) {
     disableUser(token, "IP address limit exceeded.");
     return;
diff --git a/src/user/web/self-service.ts b/src/user/web/self-service.ts
index f94f260..ca564c6 100644
--- a/src/user/web/self-service.ts
+++ b/src/user/web/self-service.ts
@@ -20,7 +20,12 @@ router.get("/", (_req, res) => {
 });
 
 router.get("/lookup", (_req, res) => {
-  res.render("user_lookup", { user: res.locals.currentSelfServiceUser });
+  const ipLimit =
+    (res.locals.currentSelfServiceUser?.maxIps ?? config.maxIpsPerUser) || 0;
+  res.render("user_lookup", {
+    user: res.locals.currentSelfServiceUser,
+    ipLimit,
+  });
 });
 
 router.post("/lookup", (req, res) => {
diff --git a/src/user/web/views/user_lookup.ejs b/src/user/web/views/user_lookup.ejs
index 7570709..4b75c87 100644
--- a/src/user/web/views/user_lookup.ejs
+++ b/src/user/web/views/user_lookup.ejs
@@ -51,7 +51,7 @@
       <td colspan="2"><%- user.lastUsedAt || "never" %></td>
     </tr>
     <tr>
-      <th scope="row">IPs<%- maxIps ? ` (max ${maxIps})` : "" %> </th>
+      <th scope="row">IPs<%- ipLimit ? ` (max ${ipLimit})` : "" %></th>
       <td colspan="2"><%- include("partials/shared_user_ip_list", { user, shouldRedact: true }) %></td>
     </tr>
     <% if (user.type === "temporary") { %>