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Security Vulnerability Threatens Internet Protocol: Page 2 of 2

To mitigate the BGP flaw, the security center advises companies to filter both incoming and outgoing network traffic to ensure that it has a proper source IP address for the router or firewall receiving the traffic, and to implement the TCP MD5 Signature Option to check the validity of the TCP packet carrying BGP application data. Companies also should limit the amount of information outsiders can gather through domain name system resource records.

Internet Security Systems X-Force, a security resource group, says network infrastructure providers and business networks are the most vulnerable to denial-of-service attacks.