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cut-through for UDP traffic

Does cisco have a feature to intercept UDP traffic based on cut-through proxy or is any workaround.

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Re: cut-through for UDP traffic

The PIX Firewall offers performance dramatically better than competing firewalls. It gains speed through a patent pending process called Cut-Through proxies, which is the fastest way for a firewall to authenticate a user.

Unlike a proxy server that must analyze every packet at layer seven of the OSI model, a time- and processing-intensive function, the PIX Firewall first queries a TACACS+ or RADIUS server for authentication. Once approved, the PIX Firewall then establishes a data flow and all traffic thereafter flows directly and quickly between the two parties.

Cut-Through proxies let the PIX Firewall perform dramatically faster than proxy-based servers while maintaining session state. Cut-Through proxy also lowers the cost of ownership by reusing the existing authentication database.

http://www.cisco.com/en/US/products/sw/secursw/ps2120/products_configuration_guide_chapter09186a00801162e9.html

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