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[Bug]: posixGroup gidNumber cannot be 0 #484

Open
Open
[Bug]: posixGroup gidNumber cannot be 0#484

Description

@calculoso
calculoso
opened on Aug 31, 2026

Is there an existing issue for this?

  • I have searched the existing issues

Environment

- image: phpldapadmin/phpldapadmin:latest container
- LDAP Server: image: vegardit/openldap:latest container
- also validated on https://demo.phpldapadmin.org/

PLA Code

Docker hub

PLA Version

docker phpldapadmin/phpldapadmin:latest (8f17a6415432)

Current Behavior

Creating a posixGroup with a gidNumber of 0. phpLDAPadmin rejects the value of 0, saying a minimum value of 1 is required.

Expected Behavior

Expect that posix gidNumber of 0 is allowed.

Steps To Reproduce

  1. on https://demo.phpldapadmin.org/ go to the dc=example,dc=com entry.
  2. Import this ldif, to show that the gidNumber value is allowed
version: 1
dn: cn=Administrator,dc=example,dc=com
cn: Administrator
gidNumber: 0
objectClass: posixGroup
  1. Using the gui, try to re-save this same entry (click on cn=Administrator, click on Edit button, Click on Update)
  2. Observe that the "The gidnumber.null.0 field must be at least 1." error appears
Image

Relevant log output

Anything else?
I used image: ldapaccountmanager/lam:latest and it allowed the gidNumber of 0 to be set.
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try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
[Bug]: posixGroup gidNumber cannot be 0 · Issue #484 · leenooks/phpLDAPadmin · GitHub
      Skip to content
      [Bug]: posixGroup gidNumber cannot be 0 #484
      Open
      Open
      [Bug]: posixGroup gidNumber cannot be 0#484
      Description
      @calculoso
      calculoso
      opened on Aug 31, 2026
      Is there an existing issue for this?
      •  I have searched the existing issues
      Environment
      - image: phpldapadmin/phpldapadmin:latest container
- LDAP Server: image: vegardit/openldap:latest container
- also validated on https://demo.phpldapadmin.org/
      PLA Code
      Docker hub
      PLA Version
      docker phpldapadmin/phpldapadmin:latest (8f17a6415432)
      Current Behavior
      Creating a posixGroup with a gidNumber of 0. phpLDAPadmin rejects the value of 0, saying a minimum value of 1 is required.
      Expected Behavior
      Expect that posix gidNumber of 0 is allowed.
      Steps To Reproduce
      1. on https://demo.phpldapadmin.org/ go to the dc=example,dc=com entry.
      2. Import this ldif, to show that the gidNumber value is allowed
      version: 1
dn: cn=Administrator,dc=example,dc=com
cn: Administrator
gidNumber: 0
objectClass: posixGroup

      1. Using the gui, try to re-save this same entry (click on cn=Administrator, click on Edit button, Click on Update)
      2. Observe that the "The gidnumber.null.0 field must be at least 1." error appears
      Image
      Relevant log output
      Anything else?
      I used image: ldapaccountmanager/lam:latest and it allowed the gidNumber of 0 to be set.
      Metadata
      Metadata
      Assignees
      No one assigned
        Labels
        No labels
        No labels
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        No projects
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          No milestone
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          None yet
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          No branches or pull requests
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, 'i');
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var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
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.markdown-body hr { border-color: #30363d; }
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document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
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(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
[Bug]: posixGroup gidNumber cannot be 0 · Issue #484 · leenooks/phpLDAPadmin · GitHub
          Skip to content
          [Bug]: posixGroup gidNumber cannot be 0 #484
          Open
          Open
          [Bug]: posixGroup gidNumber cannot be 0#484
          Description
          @calculoso
          calculoso
          opened on Aug 31, 2026
          Is there an existing issue for this?
          •  I have searched the existing issues
          Environment
          - image: phpldapadmin/phpldapadmin:latest container
- LDAP Server: image: vegardit/openldap:latest container
- also validated on https://demo.phpldapadmin.org/
          PLA Code
          Docker hub
          PLA Version
          docker phpldapadmin/phpldapadmin:latest (8f17a6415432)
          Current Behavior
          Creating a posixGroup with a gidNumber of 0. phpLDAPadmin rejects the value of 0, saying a minimum value of 1 is required.
          Expected Behavior
          Expect that posix gidNumber of 0 is allowed.
          Steps To Reproduce
          1. on https://demo.phpldapadmin.org/ go to the dc=example,dc=com entry.
          2. Import this ldif, to show that the gidNumber value is allowed
          version: 1
dn: cn=Administrator,dc=example,dc=com
cn: Administrator
gidNumber: 0
objectClass: posixGroup

          1. Using the gui, try to re-save this same entry (click on cn=Administrator, click on Edit button, Click on Update)
          2. Observe that the "The gidnumber.null.0 field must be at least 1." error appears
          Image
          Relevant log output
          Anything else?
          I used image: ldapaccountmanager/lam:latest and it allowed the gidNumber of 0 to be set.
          Metadata
          Metadata
          Assignees
          No one assigned
            Labels
            No labels
            No labels
            Projects
            No projects
              Milestone
              No milestone
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              None yet
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              No branches or pull requests
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
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var ref = document.referrer;
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if (q) {
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terms.forEach(function(term) {
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observer.observe(document.body, { childList: true, subtree: true });
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}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
[Bug]: posixGroup gidNumber cannot be 0 · Issue #484 · leenooks/phpLDAPadmin · GitHub
              Skip to content
              [Bug]: posixGroup gidNumber cannot be 0 #484
              Open
              Open
              [Bug]: posixGroup gidNumber cannot be 0#484
              Description
              @calculoso
              calculoso
              opened on Aug 31, 2026
              Is there an existing issue for this?
              •  I have searched the existing issues
              Environment
              - image: phpldapadmin/phpldapadmin:latest container
- LDAP Server: image: vegardit/openldap:latest container
- also validated on https://demo.phpldapadmin.org/
              PLA Code
              Docker hub
              PLA Version
              docker phpldapadmin/phpldapadmin:latest (8f17a6415432)
              Current Behavior
              Creating a posixGroup with a gidNumber of 0. phpLDAPadmin rejects the value of 0, saying a minimum value of 1 is required.
              Expected Behavior
              Expect that posix gidNumber of 0 is allowed.
              Steps To Reproduce
              1. on https://demo.phpldapadmin.org/ go to the dc=example,dc=com entry.
              2. Import this ldif, to show that the gidNumber value is allowed
              version: 1
dn: cn=Administrator,dc=example,dc=com
cn: Administrator
gidNumber: 0
objectClass: posixGroup

              1. Using the gui, try to re-save this same entry (click on cn=Administrator, click on Edit button, Click on Update)
              2. Observe that the "The gidnumber.null.0 field must be at least 1." error appears
              Image
              Relevant log output
              Anything else?
              I used image: ldapaccountmanager/lam:latest and it allowed the gidNumber of 0 to be set.
              Metadata
              Metadata
              Assignees
              No one assigned
                Labels
                No labels
                No labels
                Projects
                No projects
                  Milestone
                  No milestone
                  Relationships
                  None yet
                  Development
                  No branches or pull requests
                  Issue actions
                  
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
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document.querySelectorAll('a[href]').forEach(function(a) {
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mutations.forEach(function(m) {
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if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
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}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
[Bug]: posixGroup gidNumber cannot be 0 · Issue #484 · leenooks/phpLDAPadmin · GitHub
                  Skip to content
                  [Bug]: posixGroup gidNumber cannot be 0 #484
                  Open
                  Open
                  [Bug]: posixGroup gidNumber cannot be 0#484
                  Description
                  @calculoso
                  calculoso
                  opened on Aug 31, 2026
                  Is there an existing issue for this?
                  •  I have searched the existing issues
                  Environment
                  - image: phpldapadmin/phpldapadmin:latest container
- LDAP Server: image: vegardit/openldap:latest container
- also validated on https://demo.phpldapadmin.org/
                  PLA Code
                  Docker hub
                  PLA Version
                  docker phpldapadmin/phpldapadmin:latest (8f17a6415432)
                  Current Behavior
                  Creating a posixGroup with a gidNumber of 0. phpLDAPadmin rejects the value of 0, saying a minimum value of 1 is required.
                  Expected Behavior
                  Expect that posix gidNumber of 0 is allowed.
                  Steps To Reproduce
                  1. on https://demo.phpldapadmin.org/ go to the dc=example,dc=com entry.
                  2. Import this ldif, to show that the gidNumber value is allowed
                  version: 1
dn: cn=Administrator,dc=example,dc=com
cn: Administrator
gidNumber: 0
objectClass: posixGroup

                  1. Using the gui, try to re-save this same entry (click on cn=Administrator, click on Edit button, Click on Update)
                  2. Observe that the "The gidnumber.null.0 field must be at least 1." error appears
                  Image
                  Relevant log output
                  Anything else?
                  I used image: ldapaccountmanager/lam:latest and it allowed the gidNumber of 0 to be set.
                  Metadata
                  Metadata
                  Assignees
                  No one assigned
                    Labels
                    No labels
                    No labels
                    Projects
                    No projects
                      Milestone
                      No milestone
                      Relationships
                      None yet
                      Development
                      No branches or pull requests
                      Issue actions
                      
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
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if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
[Bug]: posixGroup gidNumber cannot be 0 · Issue #484 · leenooks/phpLDAPadmin · GitHub
                      Skip to content
                      [Bug]: posixGroup gidNumber cannot be 0 #484
                      Open
                      Open
                      [Bug]: posixGroup gidNumber cannot be 0#484
                      Description
                      @calculoso
                      calculoso
                      opened on Aug 31, 2026
                      Is there an existing issue for this?
                      •  I have searched the existing issues
                      Environment
                      - image: phpldapadmin/phpldapadmin:latest container
- LDAP Server: image: vegardit/openldap:latest container
- also validated on https://demo.phpldapadmin.org/
                      PLA Code
                      Docker hub
                      PLA Version
                      docker phpldapadmin/phpldapadmin:latest (8f17a6415432)
                      Current Behavior
                      Creating a posixGroup with a gidNumber of 0. phpLDAPadmin rejects the value of 0, saying a minimum value of 1 is required.
                      Expected Behavior
                      Expect that posix gidNumber of 0 is allowed.
                      Steps To Reproduce
                      1. on https://demo.phpldapadmin.org/ go to the dc=example,dc=com entry.
                      2. Import this ldif, to show that the gidNumber value is allowed
                      version: 1
dn: cn=Administrator,dc=example,dc=com
cn: Administrator
gidNumber: 0
objectClass: posixGroup

                      1. Using the gui, try to re-save this same entry (click on cn=Administrator, click on Edit button, Click on Update)
                      2. Observe that the "The gidnumber.null.0 field must be at least 1." error appears
                      Image
                      Relevant log output
                      Anything else?
                      I used image: ldapaccountmanager/lam:latest and it allowed the gidNumber of 0 to be set.
                      Metadata
                      Metadata
                      Assignees
                      No one assigned
                        Labels
                        No labels
                        No labels
                        Projects
                        No projects
                          Milestone
                          No milestone
                          Relationships
                          None yet
                          Development
                          No branches or pull requests
                          Issue actions
                          
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
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el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
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unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
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} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
[Bug]: posixGroup gidNumber cannot be 0 · Issue #484 · leenooks/phpLDAPadmin · GitHub
                          Skip to content
                          [Bug]: posixGroup gidNumber cannot be 0 #484
                          Open
                          Open
                          [Bug]: posixGroup gidNumber cannot be 0#484
                          Description
                          @calculoso
                          calculoso
                          opened on Aug 31, 2026
                          Is there an existing issue for this?
                          •  I have searched the existing issues
                          Environment
                          - image: phpldapadmin/phpldapadmin:latest container
- LDAP Server: image: vegardit/openldap:latest container
- also validated on https://demo.phpldapadmin.org/
                          PLA Code
                          Docker hub
                          PLA Version
                          docker phpldapadmin/phpldapadmin:latest (8f17a6415432)
                          Current Behavior
                          Creating a posixGroup with a gidNumber of 0. phpLDAPadmin rejects the value of 0, saying a minimum value of 1 is required.
                          Expected Behavior
                          Expect that posix gidNumber of 0 is allowed.
                          Steps To Reproduce
                          1. on https://demo.phpldapadmin.org/ go to the dc=example,dc=com entry.
                          2. Import this ldif, to show that the gidNumber value is allowed
                          version: 1
dn: cn=Administrator,dc=example,dc=com
cn: Administrator
gidNumber: 0
objectClass: posixGroup

                          1. Using the gui, try to re-save this same entry (click on cn=Administrator, click on Edit button, Click on Update)
                          2. Observe that the "The gidnumber.null.0 field must be at least 1." error appears
                          Image
                          Relevant log output
                          Anything else?
                          I used image: ldapaccountmanager/lam:latest and it allowed the gidNumber of 0 to be set.
                          Metadata
                          Metadata
                          Assignees
                          No one assigned
                            Labels
                            No labels
                            No labels
                            Projects
                            No projects
                              Milestone
                              No milestone
                              Relationships
                              None yet
                              Development
                              No branches or pull requests
                              Issue actions
                              
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
[Bug]: posixGroup gidNumber cannot be 0 · Issue #484 · leenooks/phpLDAPadmin · GitHub
                              Skip to content
                              [Bug]: posixGroup gidNumber cannot be 0 #484
                              Open
                              Open
                              [Bug]: posixGroup gidNumber cannot be 0#484
                              Description
                              @calculoso
                              calculoso
                              opened on Aug 31, 2026
                              Is there an existing issue for this?
                              •  I have searched the existing issues
                              Environment
                              - image: phpldapadmin/phpldapadmin:latest container
- LDAP Server: image: vegardit/openldap:latest container
- also validated on https://demo.phpldapadmin.org/
                              PLA Code
                              Docker hub
                              PLA Version
                              docker phpldapadmin/phpldapadmin:latest (8f17a6415432)
                              Current Behavior
                              Creating a posixGroup with a gidNumber of 0. phpLDAPadmin rejects the value of 0, saying a minimum value of 1 is required.
                              Expected Behavior
                              Expect that posix gidNumber of 0 is allowed.
                              Steps To Reproduce
                              1. on https://demo.phpldapadmin.org/ go to the dc=example,dc=com entry.
                              2. Import this ldif, to show that the gidNumber value is allowed
                              version: 1
dn: cn=Administrator,dc=example,dc=com
cn: Administrator
gidNumber: 0
objectClass: posixGroup

                              1. Using the gui, try to re-save this same entry (click on cn=Administrator, click on Edit button, Click on Update)
                              2. Observe that the "The gidnumber.null.0 field must be at least 1." error appears
                              Image
                              Relevant log output
                              Anything else?
                              I used image: ldapaccountmanager/lam:latest and it allowed the gidNumber of 0 to be set.
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