09-14-2010 04:34 PM - edited 03-11-2019 11:40 AM
Hi guys,
Is it possible to block ultrasurf with ISR routers or ASA firewall?
help me please
Thanks
Fabio
09-14-2010 06:21 PM
Ultrasurf is all https so you won't be able to use acls on the ASA to block it while permitting legitimate traffic. Cisco Ironport Web Security Appliances can do HTTPS proxy and it may be able to block these HTTPS connections.
09-15-2010 06:23 AM
In ASA this is such feature as Regular Expressions with MPF (regexp)
may be it help you.
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