diff --git a/api/test/backup-data.test.js b/api/test/backup-data.test.js
index 09f09dcf..7d437d5e 100644
--- a/api/test/backup-data.test.js
+++ b/api/test/backup-data.test.js
@@ -364,6 +364,15 @@ test('pbs-groups lists every group in every store and namespace', async () => {
   assert.equal(calls[0].opts.skipTls, true);
 });
 
+test('pbs-groups sends the token over https for an address with no scheme', async () => {
+  const { ctx, calls } = pbsCtx({}, 'pbs-groups', () => ({ status: 200, data: { data: [] } }), {
+    ...PBS_ROW,
+    pbsUrl: 'pbs.lan:8007/',
+  });
+  await dataFn(ctx);
+  assert.equal(calls[0].url, 'https://pbs.lan:8007/api2/json/admin/datastore');
+});
+
 test('pbs-groups refuses a token that would break the header', async () => {
   const { ctx, calls } = pbsCtx({}, 'pbs-groups', () => null, { ...PBS_ROW, pbsSecret: 'abc\r\nX-Evil: 1' });
   await assert.rejects(() => dataFn(ctx), /token ID/);
diff --git a/ui/admin/index.html b/ui/admin/index.html
index b2ce00ba..b6248d85 100644
--- a/ui/admin/index.html
+++ b/ui/admin/index.html
@@ -320,6 +320,6 @@ <h1 class="sec-title" id="ev-title">General</h1>
   </div></div>
 </div>
 
-<script type="module" src="/js/admin.js?v=aeca5dee"></script>
+<script type="module" src="/js/admin.js?v=78049013"></script>
 </body>
 </html>
diff --git a/ui/js/admin.js b/ui/js/admin.js
index 94916cb1..bf3f68d7 100644
--- a/ui/js/admin.js
+++ b/ui/js/admin.js
@@ -66,7 +66,7 @@ import {
   NOTE,
   parseErrorsAsSkipped,
   SKIP,
-} from '/js/import-foreign.js?v=961efd4d';
+} from '/js/import-foreign.js?v=20baac2a';
 import { isMobileLayout, onLayoutChange } from '/js/layout.js?v=6680c0bf';
 import { clampName } from '/js/limits.js?v=ea61a441';
 import { confirmModal, confirmText, openModal as openDialog, promptModal } from '/js/modal.js?v=6b0320bd';
diff --git a/ui/js/import-foreign.js b/ui/js/import-foreign.js
index dcb8a358..fe614345 100644
--- a/ui/js/import-foreign.js
+++ b/ui/js/import-foreign.js
@@ -69,14 +69,25 @@ function isAbsoluteLink(href) {
 /** @param {string} href @returns {string} `href` with http:// added when it is a bare host:port */
 const withScheme = href => (/^[a-z0-9.-]+:\d{1,5}(?:[/?#]|$)/i.test(href) ? `http://${href}` : href);
 
-/* Stop at a backslash. Browsers end the host there, so removing past it changes
-   where the link goes. */
-const LOGIN = '((?:[a-z][a-z0-9+.-]*:)?//)[^\\s/?#\\\\]*@';
-const LOGIN_AT_START = new RegExp(`^${LOGIN}`, 'i');
+/* A login can follow any run of slashes or backslashes after a web scheme.
+   Stop at a backslash inside it. Browsers end the host there. */
+const LOGIN = '((?:https?|wss?|ftp):[/\\\\]*|(?:[a-z][a-z0-9+.-]*:)?//)[^\\s/?#\\\\]*@';
 const LOGIN_ANYWHERE = new RegExp(LOGIN, 'gi');
 
 /** @param {string} href @returns {string} */
-const withoutLogin = href => href.replace(LOGIN_AT_START, '$1');
+function withoutLogin(href) {
+  if (!href) return href;
+  let url;
+  try {
+    url = new URL(href);
+  } catch {
+    return href.replace(new RegExp(`^${LOGIN}`, 'i'), '$1');
+  }
+  if (!url.username && !url.password) return href;
+  url.username = '';
+  url.password = '';
+  return url.href;
+}
 
 /** @param {string} s @returns {string} */
 const withoutLoginInText = s => s.replace(LOGIN_ANYWHERE, '$1');
diff --git a/ui/test/import-foreign.test.mjs b/ui/test/import-foreign.test.mjs
index 893e8c9d..18d9ebc5 100644
--- a/ui/test/import-foreign.test.mjs
+++ b/ui/test/import-foreign.test.mjs
@@ -736,6 +736,31 @@ test('a protocol-relative link loses its username and password too', () => {
   assert.equal(out.notes.filter(n => n.code === NOTE.LOGIN_REMOVED).length, 1);
 });
 
+test('a login behind one, three, back or no slashes is removed too', () => {
+  for (const href of [
+    'http:/admin:hunter2@nas.lan/',
+    'http:///admin:hunter2@nas.lan/',
+    'http:\\\\admin:hunter2@nas.lan/',
+    'http:admin:hunter2@nas.lan/',
+  ]) {
+    const out = convertDockerLabels([container('nas', { name: 'NAS', group: 'G', href, siteMonitor: href })]);
+    const app = apps(out)[0];
+    assert.equal(new URL(app.href).username, '', href);
+    const ping = app.monitoring.healthcheck.pingUrl;
+    if (ping) assert.equal(new URL(ping).username, '', href);
+    assert.ok(!JSON.stringify(out).includes('hunter2'), href);
+    assert.ok(
+      out.notes.some(n => n.code === NOTE.LOGIN_REMOVED),
+      href,
+    );
+  }
+});
+
+test('a mail link keeps its address', () => {
+  const out = convertDockerLabels([container('m', { name: 'Mail', group: 'G', href: 'mailto:admin@nas.lan' })]);
+  assert.equal(apps(out)[0].href, 'mailto:admin@nas.lan');
+});
+
 test('no preview line shows a username and password', () => {
   const out = convertDockerLabels([
     container('a', { name: 'A', group: 'G', href: 'https://admin:hunter2@{{HOMEPAGE_VAR_HOST}}/' }),
diff --git a/ui/widgets/backup/data.js b/ui/widgets/backup/data.js
index 1fac67b5..5d91fe80 100644
--- a/ui/widgets/backup/data.js
+++ b/ui/widgets/backup/data.js
@@ -118,6 +118,9 @@ const PBS_LOG_LINES = 5;
 const PBS_LOG_READS = 4;
 const PBS_TASK_NS_MAX = 2000;
 
+/* The PBS API listens on HTTPS only. A bare host must not send the token over http. */
+const pbsBase = url => dupNormalizeBase(/^[a-z][a-z0-9+.-]*:\/\//i.test(url) ? url : `https://${url}`);
+
 function pbsConn(row, ctx) {
   const url = (row.pbsUrl || '').trim();
   if (!url) ctx.fail('Proxmox Backup Server URL required', { kind: ctx.KIND.INVALID });
@@ -127,7 +130,7 @@ function pbsConn(row, ctx) {
   if (!PBS_TOKEN_ID.test(tokenId) || !PBS_SECRET.test(secret)) {
     ctx.fail('Enter a token ID like user@pbs!name and its secret', { kind: ctx.KIND.INVALID });
   }
-  return { base: dupNormalizeBase(url), tokenId, secret, skipTls: row.pbsSkipTls === true };
+  return { base: pbsBase(url), tokenId, secret, skipTls: row.pbsSkipTls === true };
 }
 
 async function pbsGet(conn, path, ctx, keep) {