This article describes the configuration steps to block UltraSurf on SRX firewalls using the Application Firewall feature. UltraSurf is a privacy application used to hide a user's Internet activity. Traffic from this application is indistinguishable from a generic SSL. Downloaders of this application may be attempting to disguise their internet traffic. The article provides … [Read more...]
SRX: How to block Ultrasurf through IDP
Ultrasurf is a proxy-based tool that hides the identity of the user, thereby bypassing the firewalls. Juniper Standalone IDP, SRX-IDP, and ISG-IDP can be used to block Ultrasurf traffic; this article provides the information on how to achieve that task. How to block Ultrasurf. Currently the IDP/IPS cannot detect the actual Ultrasurf traffic itself. However, Ultrasurf … [Read more...]