> Source: [sk112716](https://support.checkpoint.com/results/sk/sk112716)

# sk112716 - Web SSL VPN Portal authentication fails with "Invalid username or password" 

| Property | Value |
|----------|-------|
| Solution ID | sk112716 |
| Date Created | 2016-08-03 |
| Last Modified | 2020-11-12 |
| Technical Level | Advanced |
| Products | Security Gateway |
| Versions | R82.10, R82, R81.20 |
| OS | Gaia |

## Symptoms

- * When users login via SSL VPN Portal the authentication fails with "Invalid username or password".
* Debug of CVPND process shows the following error in $CVPNDIR/log/cvpnd.elg: "reason: (Unknown scheme)".  

  **CVPND Debug output sample:**

  ================================================================

  \[28 Jul 15:03:48\]\[AUTHNMAN\] \[CVPN_INFO\] Cvpn::AuthSession::ProduceOutput: Not authenticated, **reason: (Unknown scheme)**

  \[28 Jul 15:03:48\]\[CVPND\] \[CVPN_INFO\] Cvpn::CvpndMain::AuthenticationDone: authenticated: 0

  ================================================================
* **Mobile Access Blade log sample:**

  ![](https://sc1.checkpoint.com/sc/SolutionsStatics/NEW_SK_NOID1470084141036/image 11608011449.png)

## Cause

When using SSL VPN Portal an authentication scheme must be selected.

## Solution

This solution requires authentication. Please log in to view the full solution.

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