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Restrict user access to Acrobat Sign using allowed IP address ranges

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Adobe Acrobat Sign Guide

What's New

  1. Pre-Release Notes
  2. Release Notes
  3. Important Notifications

Get Started

  1. Quick start guide for administrators
  2. Quick start guide for users
  3. For Developers
  4. Video tutorial library
  5. FAQ

Administer

  1. Admin Console Overview
  2. User Management
    1. Add, edit, and review active users
      1. Review your active users from the Users tab
      2. Add a User
      3. Add Users in Bulk
      4. Add Users from your Directory
      5. Add Users from MS Azure Active Directory
      6. Migrate users between Admin Console organizations
    2. Create function-focused users
      1. Technical accounts - API driven
      2. Service accounts - Manually driven
    3. Review users who haven't completed verification
    4. Check for users with provisioning errors
    5. Change Name/Email Address
    6. Edit a user's group membership
    7. Edit a user's group membership through the group interface
    8. Promote a user to an admin role
    9. User Identity Types and SSO
    10. Switch User Identity
    11. Authenticate Users with MS Azure
    12. Authenticate Users with Google Federation
    13. Product Profiles
    14. Login Experience 
  3. Account/Group Settings
    1. Settings Overview
    2. Global Settings
      1. Account tier and ID
      2. New Recipient Experience
      3. Self Signing Workflows
      4. Send in Bulk
      5. Web Forms
      6. Custom Send Workflows
      7. Power Automate Workflows
      8. Library Documents
      9. Collect form data with agreements
      10. Limited Document Visibility
      11. Attach a PDF copy of the signed agreement 
      12. Include a link in the email
      13. Include an image in the email
      14. Files attached to email will be named as
      15. Attach audit reports to documents
      16. Merge multiple documents into one
      17. Download individual documents
      18. Upload a signed document
      19. Delegation for users in my account
      20. Allow external recipients to delegate
      21. Authority to sign
      22. Authority to send
      23. Power to add Electronic Seals
      24. Set a default time zone
      25. Set a default date format
      26. Users in Multiple Groups (UMG)
        1. Upgrade to use UMG
      27. Group Administrator Permissions
      28. Replace recipient
      29. Audit Report
        1. Overview
        2. Allow unauthenticated access on the transaction verification page
        3. Include reminders
        4. Include view events
        5. Include agreement page/attachment count
      30. Transaction Footer
      31. In Product Messaging and Guidance
      32. Accessible PDFs
      33. New authoring experience
      34. Healthcare customer
    3. Account Setup / Branding Settings
      1. Overview
      2. Add logo
      3. Customize company Hostname/URL    
      4. Add company name
      5. Post agreement URL redirect
    4. Signature Preferences
      1. Well formatted signatures
      2. Allow recipients to sign by
      3. Signers can change their name
      4. Allow recipients to use their saved signature
      5. Custom Terms of Use and Consumer Disclosure
      6. Navigate recipients through form fields
      7. Restart agreement workflow
      8. Decline to sign
      9. Allow Stamps workflows
      10. Require signers to provide their Title or Company
      11. Allow signers to print and place a written signature
      12. Show messages when e-signing
      13. Require signers to use a mobile device to create their signature
      14. Request IP address from signers
      15. Exclude company name and title from participation stamps
      16. Apply Adaptive Signature Draw scaling
    5. Digital Signatures
      1. Overview
      2. Download and sign with Acrobat 
      3. Sign with Cloud Signatures
      4. Require digital signatures per recipient
      5. Include metadata for Identity Providers
      6. Restricted Cloud Signatures Providers
    6. Electronic Seals
    7. Digital Identity
      1. Digital Identity Gateway
      2. Identity Check policy
    8. Report Settings
      1. New report experience
      2. Classic report settings
    9. Security Settings
      1. Single Sign-on settings
      2. Remember-me settings
      3. Login password policy
      4. Login password strength
      5. Web session duration
      6. PDF encryption type
      7. API
      8. User and group info access
      9. Allowed IP Ranges
      10. Account Sharing
      11. Account sharing permissions
      12. Agreement sharing controls
      13. Signer identity verification
      14. Agreement signing password
      15. Document password strength
      16. Block signers by Geolocation
      17. Phone Authentication
      18. Knowledge-Based Authentication (KBA)
      19. Allow page extraction
      20. Document link expiration
      21. Upload a client certificate for webhooks/callbacks
      22. Timestamp
    10. Send Settings
      1. Show Send page after login
      2. Agreement creation experiences
      3. Require recipient name when sending
      4. Lock name values for known users
      5. Allowed recipient roles
      6. Allow e-Witnesses
      7. Recipient groups
      8. CCs
      9. Required fields
      10. Attaching documents
      11. Field flattening
      12. Modify Agreements
      13. Create a copy (of an agreement)
      14. Agreement name
      15. Languages
      16. Private messages
      17. Allowed signature types
      18. Reminders
      19. Signed document password protection
      20. Send Agreement Notification through
      21. Signer identification options
        1. Overview
        2. Signing password
        3. Knowledge-based authentication
        4. Phone authentication
        5. WhatsApp authentication
        6. One-Time Password via Email
        7. Acrobat Sign authentication
        8. Cloud-based digital signature
        9. Digital Identity authentication
        10. Government ID
        11. Signer Identity reports
      22. Populate form fields with identity-verified data
      23. Content Protection
      24. Enable Notarize transactions
      25. Document Expiration
      26. Preview, position signatures, and add fields
      27. Signing order
      28. Liquid mode
      29. Custom workflow controls
      30. Upload options for the e-sign page
      31. Post-sign confirmation URL redirect
      32. Restrict access to shared agreements
    11. Message Templates
      1. Overview of Message Templates
      2. Creating new Message Templates
      3. Editing Message Templates
      4. Deleting Message Templates
    12. Bio-Pharma Settings
      1. Overview
      2. Enforce identity authentication
      3. Signing reasons
    13. Workflow Integration
    14. Notarization Settings
    15. Payments Integration
    16. Signer Messaging
    17. SAML Settings
      1. SAML Configuration
      2. Install Microsoft Active Directory Federation Service
      3. Install Okta
      4. Install OneLogin
      5. Install Oracle Identity Federation
    18. Data Governance
    19. Time Stamp Settings
    20. External Archive
    21. Account Languages
    22. Email Settings
      1. Email header/footer images
      2. Permit individual user email footers
      3. Customize the Signature Requested email
      4. Customize the To and CC fields
      5. Enable Linkless Notifications
      6. Customize email templates
    23. Migrating from echosign.com to adobesign.com
    24. Configure Options for Recipients
  4. Guidance for regulatory requirements
    1. Accessibility
      1. Accessibility Compliance
      2. Create accessible forms with Acrobat desktop
      3. Create accessible AcroForms
    2. HIPAA
    3. GDPR
      1. GDPR Overview
      2. Redact a user
      3. Redact a user's agreements    
    4. 21 CFR part 11 and EudraLex Annex 11
      1. 21 CRF part 11 validation pack
      2. 21 CFR and EudraLex Annex 11 handbook
      3. Analysis of shared responsibilities
    5. Healthcare customers
    6. IVES support
    7. "Vaulting" agreements
    8. EU/UK considerations
      1. EU/UK Cross-border transactions and eIDAS
      2. HMLR requirements for deeds signed electronically
      3. The impact of Brexit on e-signature laws in the UK
  5. Download Agreements in Bulk
  6. Claim your domain 
  7. Report Abuse links
  8. System Requirements and Limitations
    1. System requirements
    2. Transaction limits

Send, Sign, and Manage Agreements

  1. Recipient Options
    1. Cancel an email reminder
    2. Options on the e-signing page
      1. Overview of the e-sign page
      2. Open to read the agreement without fields
      3. Decline to sign an agreement
      4. Delegate signing authority
      5. Restart the agreement
      6. Download a PDF of the agreement
      7. View the agreement history
      8. View the agreement messages
      9. Convert from an electronic to a written signature
      10. Convert from a written to an electronic signature 
      11. Navigate the form fields
      12. Clear the data from the form fields
      13. E-sign page magnification and navigation
      14. Change the language used in the agreement tools and information
      15. Review the Legal Notices
      16. Adjust Acrobat Sign Cookie Preferences
  2. Send Agreements  
    1. Send (Compose) page
      1. Overview of landmarks and features
      2. Group selector
      3. Adding files and templates
      4. Agreement name
      5. Global Message
      6. Completion Deadline
      7. Reminders
      8. Password protect the PDF
      9. Signature type
      10. Locale for the recipient
      11. Recipient signature order/flow
      12. Recipient roles
      13. Recipient authentication
      14. Private message for the recipient
      15. Recipient agreement access
      16. CC'd parties
      17. Identity check
    2. Send an agreement only to yourself
    3. Send an agreement to others
    4. Written Signatures
    5. Recipient signing order
    6. Send in Bulk
      1. Overview of the Send in Bulk feature
      2. Send in Bulk - Configure a parent template
      3. Send in Bulk - Configure the CSV file
      4. Cancel a Send in Bulk transaction
      5. Add reminders to Send in Bulk
      6. Reporting for Send in Bulk
  3. Authoring fields into documents
    1. In-app authoring environment
      1. Automatic field detection
      2. Drag and drop fields using the authoring environment
      3. Assign form fields to recipients
      4. The Prefill role
      5. Apply fields with a reusable field template
      6. Transfer fields to a new library template
      7. Updated authoring environment when sending agreements
    2. Create forms with text tags
      1. Text Tags - Overview
      2. Text tags - Basics and syntax
      3. Text tags - Supported field types
      4. Text tags - Examples
      5. Text tags - Advanced behaviors
      6. Text tags - Calculated fields
      7. Text tags - Identity-verified data
      8. Text tags - Troubleshooting
    3. Create forms using Acrobat (AcroForms)
      1. AcroForm creation
      2. Creating accessible PDFs
    4. Fields
      1. Field types
        1. Common field types
        2. E-signature fields
        3. Initials field
        4. Recipient name field
        5. Recipient email field
        6. Date of signing field
        7. Text field
        8. Date field
        9. Number field
        10. Checkbox
        11. Checkbox group
        12. Radio button
        13. Drop-down menu
        14. Link overlay
        15. Payment field
        16. Attachments
        17. Participation stamp
        18. Transaction number
        19. Image
        20. Company
        21. Title
        22. Stamp
      2. Field content appearance
      3. Field validations
      4. Masked fields values
      5. Setting show/hide conditions
      6. Calculated fields 
    5. Authoring FAQ
  4. Sign Agreements
    1. Sign agreements sent to you
    2. Fill & Sign
    3. Self-signing
  5. Manage Agreements
    1. Manage page overview
    2. Copy an Agreement
    3. Delegate agreements
    4. Replace Recipients
    5. Limit Document Visibility 
    6. Cancel an Agreement 
    7. Create new reminders
    8. Review reminders
    9. Cancel a reminder
    10. Access Power Automate flows
    11. More Actions...
      1. How search works
      2. View an agreement
      3. Create a template from an agreement
      4. Hide/Unhide agreements from view
      5. Upload a signed agreement
      6. Modify a sent agreement's files and fields
      7. Edit a recipient's authentication method
      8. Add or modify an expiration date
      9. Add a Note to the agreement
      10. Share an individual agreement
      11. Unshare an agreement
      12. Download an individual agreement
      13. Download the individual files of an agreement
      14. Download the Audit Report of an agreement
      15. Download the field content of an agreement
  6. Audit Report
  7. Reporting and Data exports
    1. Overview
    2. Grant users access to reporting
    3. Report charts
      1. Create a new report
      2. Agreement Reports
      3. Transaction Reports
      4. Settings Activity Report
      5. Edit a report
    4. Data Exports 
      1. Create a new data export
      2. Web form data export
      3. Edit a data export
      4. Refresh the data export content
      5. Download the data export
    5. Rename a report/export
    6. Duplicate a report/export
    7. Schedule a report/export
    8. Delete a report/export
    9. Check Transaction Usage

Advanced Agreement Capabilities and Workflows

  1. Webforms 
    1. Create a web form
    2. Edit a web form
    3. Disable/Enable a web form
    4. Hide/Unhide a web form
    5. Find the URL or script code 
    6. Prefill web form fields with URL parameters
    7. Save a web form to complete later
    8. Resize a web form
  2. Reusable Templates (Library templates) 
    1. US Government forms in the Acrobat Sign library
    2. Create a library template
    3. Change a library template's name
    4. Change a library template's type
    5. Change a library template's permission level
    6. Copy, edit, and save a shared template
    7. Download the aggregate field data for a library template
  3. Transfer ownership of web forms and library templates
  4. Power Automate Workflows 
    1. Overview of the Power Automate integration and included entitlements
    2. Enable the Power Automate integration
    3. In-Context Actions on the Manage page
    4. Track Power Automate usage
    5. Create a new flow (Examples)
    6. Triggers used for flows
    7. Importing flows from outside Acrobat Sign
    8. Manage flows
    9. Edit flows
    10. Share flows
    11. Disable or Enable flows
    12. Delete flows
    13. Useful Templates
      1. Administrator only
        1. Save all completed documents to SharePoint
        2. Save all completed documents to OneDrive for Business
        3. Save all completed documents to Google Drive
        4. Save all completed documents to DropBox
        5. Save all completed documents to Box
      2. Agreement archival
        1. Save your completed documents to SharePoint
        2. Save your completed documents to One Drive for Business
        3. Save your completed documents to Google Drive
        4. Save your completed documents to DropBox
        5. Save your completed documents to Box
      3. Webform agreement archival
        1. Save completed web form documents to SharePoint Library
        2. Save completed web form documents to OneDrive for Business
        3. Save completed   documents to Google Drive
        4. Save completed web form documents to Box
      4. Agreement data extraction
        1. Extract form field data from your signed document and update Excel sheet
      5. Agreement notifications
        1. Send custom email notifications with your agreement contents and signed agreement
        2. Get your Adobe Acrobat Sign notifications in a Teams Channel
        3. Get your Adobe Acrobat Sign notifications in Slack
        4. Get your Adobe Acrobat Sign notifications in Webex
      6. Agreement generation
        1. Generate document from Power App form and Word template, send for signature
        2. Generate agreement from Word template in OneDrive, and get signature
        3. Generate agreement for selected Excel row, send for review and signature
  5. Custom Send workflows
    1. Custom Send Workflow Overview
    2. Creating a new Send Workflow
    3. Edit a Send Workflow
    4. Activate or Deactivate a Send Workflow
    5. Send an agreement with a Send Workflow
  6. Share users and agreements
    1. Share a user
    2. Share agreements

Integrate with other products

  1.  Acrobat Sign integrations overview 
  2. Acrobat Sign for Salesforce
  3. Acrobat Sign for Microsoft
    1. Acrobat Sign for Microsoft 365
    2. Acrobat Sign for Outlook
    3. Acrobat Sign for Word/PowerPoint
    4. Acrobat Sign for Teams
    5. Acrobat Sign for Microsoft PowerApps and Power Automate
    6. Acrobat Sign Connector for Microsoft Search
    7. Acrobat Sign for Microsoft Dynamics 
    8. Acrobat Sign for Microsoft SharePoint 
  4. Other Integrations
    1. Acrobat Sign for ServiceNow
    2. Acrobat Sign for HR ServiceNow
    3. Acrobat Sign for SAP SuccessFactors
    4. Acrobat Sign for Workday
    5. Acrobat Sign for NetSuite
    6. Acrobat Sign for VeevaVault
    7. Acrobat Sign for Coupa BSM Suite
  5. Partner managed integrations
  6. How to obtain an integration key

Acrobat Sign Developer

  1. REST APIs 
    1. Methods documentation
    2. SDK/Developer Guide
    3. API FAQ    
  2. Webhooks 
    1. Webhook overview
    2. Configure a new webhook
    3. View or edit a webhook
    4. Deactivate or reactivate a webhook
    5. Delete a webhook
    6. Two-way SSL certificates
    7. Webhooks in the API
  3. Sandbox
    1. Sandbox overview
    2. Link your Production and Sandbox
    3. Sandbox asset types

Support and Troubleshooting

  1. Customer Support Resources 
  2. Enterprise Customer Success Resources 

Control who can access Acrobat Sign by allowing only trusted IP address ranges for account users and integrations.

Allowed IP Ranges let administrators limit access to Adobe Acrobat Sign to trusted networks only. By allowing requests from known IP addresses and denying all others, you can reduce unauthorized access and enforce consistent security policies across your organization. This control applies before user authentication and helps protect regulated environments and critical roles. This setting does not affect the recipients of the agreement.

Why use IP allowlists

Allowed IP Ranges act as a deny-by-default gate in front of Acrobat Sign. A user or integration can sign in to the web application or call the API only when the request originates from an IP address included in the allowlist.

  • Reduce unauthorized access by limiting logins to known corporate networks.
  • Enforce a consistent access policy across all users in the account.
  • Pair with SSO and MFA for layered security. 

Before you start

  • Work with your network team to collect the exact IP ranges you need. Use CIDR notation (for example, 203.0.113.0/24).
  • Plan to add administrator networks first so you don't lock yourself out.
  • Consider remote, emergency, or partner access and include those ranges as required.
  • Understand if you intend to use third-party applications (Salesforce, etc.) or the Acrobat Sign mobile applications (from a sender perspective).

Configuration

Availability:

  • Acrobat Standard and Acrobat Pro: Not Supported
  • Acrobat Sign Solutions: Supported
  • Acrobat Sign for Government: Not Supported

Access scope

  • Web UI: Requests from IPs outside the allowlist are denied with: “Your account cannot be accessed from this computer. Please contact your support staff.”
  • API: Allowed only when the “Allow these IP addresses to access the system via API” setting is on; if it’s off, API calls are denied—even from listed IPs.
  • Certified Applications: Major integrations (for example, Microsoft, Salesforce) are allowed by default.
    • The Acrobat Sign mobile applications fall within the scope of Certified Applications and are impacted by the controls that allow or deny access to the Acrobat Sign service.
      Note that only connecting to Acrobat Sign as a user is impacted. Recipients are not.

Configuration scope:

  • Allowed IP Ranges can be configured at the account and group level. 
    • User access is defined by their primary group when group-level settings are applied.
  • Integrations (Microsoft Dynamics, Salesforce, and the like) are allowed by default.
The Security Settings page highlighting the "Allowed IP Ranges" set of controls.

There are three settings that determine whether IP restrictions apply to browser access, API requests, and API-based clients such as mobile applications and integrations.

  1. Only allow access to the system from IP addresses that are listed below - Enables IP address restrictions and unlocks the allowlist configuration.
    • If no IP ranges are listed when the page configuration is saved, this option is automatically cleared, and the feature is disabled.
    • If this option is not enabled, IP address restrictions are not enforced, and any IP address can attempt to access the account through user authentication.
    • When you define one or more IP address ranges, only authentication attempts to sign in to the Acrobat Sign user interface from those addresses are allowed.
  2. Only allow these IP addresses to access the system via API - Explicitly grants API access from the listed IP ranges.
    • This option requires IP address restrictions to be enabled.
    • When enabled, only API connections from the listed IP addresses are permitted to connect.
    • If this option is not enabled, API requests are denied, even when the request originates from an allowed IP address.
  3. Always allow API access from Certified Partner Application IP addresses - Allows certified applications to bypass API IP restrictions.
    • This option requires API access to be enabled.
    • When enabled, IP restrictions are not enforced for certified applications, including Acrobat Sign mobile applications.
    • Certified Partner Applications include Acrobat Sign-developed integrations such as Salesforce and SharePoint.

To apply IP restrictions consistently across browser access, mobile applications, and integrations, API access must be enabled, and certified application bypass must not be allowed.

How to configure an allowed IP range

Coordinate with your network team to obtain the proper CIDR IP ranges before attempting to configure the allow list.
Be sure to allow the IP range you are currently working from first.

  1. Log in to the Acrobat Sign portal as an administrator.

  2. Navigate to Security Settings > Allowed IP Ranges.

  3. Enable the Only allow access to the system from IP addresses that are listed below option by checking the box.

    The Security Settings page with the Allow IP Ranges controls highlighted.

  4. Select Add (+).   

  5. Enter the IP range using CIDR notation.

    The control for "Allow IP Ranges" displaying the input field.

  6. Save the entry.

  7. Repeat these steps for each additional IP range.

  8. Save the page configuration when finished.

All configured IP ranges are listed under the control set in a scrolling list. Up to two CIDR notations are exposed at once unless you select a new pagination option through the More options icon.

Allow IP Address controls highlighting the exposed two CIDR notations.

Manage the allowed IP ranges:

To search for a specific CIDR notation in the list of configured ranges, type the CIDR notation into the Search field.
As you type, the exposed IP ranges are filtered to show only ranges that match the string as you type it in. 

The Allowed IP Ranges controls with the search field filled, and the resultant IP ranges displayed.

To edit a CIDR notation:

  1. Search and find the CIDR notation.

  2. Select the notation to be edited to expose the available actions above the notation list.

  3. Select the Edit action.
    The Edit interface opens, with the current CIDR notation highlighted.

    The IP Range list with the Edit link exposed, and the Edit panel inset.

  4. Enter the new CIDR notation.

  5. Save the notation when done.
    There is no challenge to saving the edit.

To delete a CIDR notation:

  1. Search and find the CIDR notation.

  2. Select the notation to be edited to expose the available actions above the notation list.

  3. Select the Delete action.

    The Allowed IP Ranges control with the Delete action highlighted

    Alert

    There is no challenge to deleting the notation.

    Double-check that you are deleting the correct notation, and be sure you aren't deleting the notation allowing you to connect to the Acrobat Sign service.
    It's entirely possible to configure the application in such a way as to deny all access from external sources.

Best practices

  • Treat the allowlist as a deny-by-default policy: only known ranges should be added.
  • Include contingency ranges for critical roles, if permitted by policy.
  • If implementing the change after deployment to end-users, communicate it in advance so they know how to request access if they are blocked.
  • If you restrict API access, review whether certified applications should bypass IP restrictions based on your usage and security requirements.

Manage and maintain

  • Review and update ranges when networks change (new offices, VPN changes, ISPs, or cloud egress).
  • Keep a documented source of truth for approved ranges.
  • Test with a small set of users before rolling out to a broader audience.
  • If users are blocked, verify their current public IP and add the correct range, or temporarily turn off the control and re-enable it after correction.

Impact and limitations

  • Restricting access by IP address can limit support for remote users unless their networks or VPN egress ranges are included.
  • This control affects access to the web application and the API.
  • Integrations are allowed by default unless explicitly configured otherwise through Acrobat Sign support.
  • It is possible to configure the account in a way that blocks all external access. Plan and test carefully.

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