Digi TX40 User Manual page 944

Firewall
This procedure assumes you have already configured web filtering to use either Cisco Umbrella or the
Cisco open DNS servers.
n See Configure web filtering with Cisco Umbrella
with Cisco Umbrella.
n See Configure web filtering with manual DNS servers
filtering to use Cisco open DNS servers.
1. Select the device in Remote Manager and click Actions > Open Console, or log into the TX40
local command line as a user with full Admin access rights.
Depending on your device configuration, you may be presented with an Access selection
menu. Type admin to access the Admin CLI.
2. Disable web filtering:
> config firewall web-filter enable false
>
3. Attempt to connect to the Cisco test URL
web browser or the curl command from a Linux shell:
$ curl -I http://www.internetbadguys.com
HTTP/1.1 200 OK
Server: Apache
Content-Type: text/html; charset=UTF-8
Accept-Ranges: bytes
Date: Fri, Sept 29, 2023 12:10:00
X-Varnish: 4201397492
Age: 0
Via: 1.1 varnish
Connection: keep-alive
$
You should receive an "HTTP/1.1 200 OK" message, as highlighted above.
4. Return to the Admin CLI and enable web filtering:
> config firewall web-filter enable true
>
5. Attempt to connect to
$ curl -I www.internetbadguys.com
HTTP/1.1 403 Forbidden
Server: openresty/1.9.7.3
Date: Fri, Sept 29, 2023 12:10:00
Content-Type: text/html
Connection: keep-alive
$
You should receive an "HTTP/1.1 403 Forbidden" message, as highlighted above.
TX40 User Guide
for information about configuring web filtering
http://www.internetbadguys.com
http://www.internetbadguys.com
for information about configuring web
by using either a
again:
Web filtering
944