Microsoft VPN
CRLs
CRLs are only necessary if using Certificates.
CRL (Certificate Revocation List) files show Certificates which have been revoked, and are no
longer valid. Each CA issues their own CRLs.
It is VERY IMPORTANT to keep your CRLs up-to-date. You need to obtain the CRL for each
CA regularly. The "Next Update" field in the CRL shows when the next update will be availa-
ble.
To add a New CRL
1. Obtain the CRL file from your CA.
2. Select CRL from the VPN menu. You will see a screen like the example below.
Figure 92: Certificate Revocation Lists
3. Click the "Add New CRL" button. You will see a screen like the following:
Figure 93: Upload CRL
4. Upload the CRL file:
• Click the "Browse" button, and locate the CRL file on your PC
• Select the file. The name will appear in the "File to Upload" field.
• Click "Upload" to upload the CRL file to the TW100-BRV304.
• Click "Back" to return to the CRL list. The new CRL will appear in the list.
5. Use the "Delete" button to delete the previous (now outdated) CRL.
Status
This screen lists all VPN SAs (Security Association) which exist at the current time.
• If no VPN tunnels exist at the current time, the table will be empty.
• To update the display, click the "Refresh" button.
• If using IKE, there is one SA for the IKE connection, and another SA for the IPSec
connection.
• For each VPN SA the following data is displayed.
Figure 94: VPN Status Screen
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