I - Mission Critical Classified
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000362
<GroupDescription></GroupDescription>Group -
The router must be configured to have Internet Control Message Protocol (ICMP) unreachable notifications disabled on all external interfaces.
<VulnDiscussion>The ICMP supports IP traffic by relaying information about paths, routes, and network conditions. Routers automatically send ...Rule Medium Severity -
SRG-NET-000362
<GroupDescription></GroupDescription>Group -
The router must be configured to have Internet Control Message Protocol (ICMP) mask replies disabled on all external interfaces.
<VulnDiscussion>The ICMP supports IP traffic by relaying information about paths, routes, and network conditions. Routers automatically send ...Rule Medium Severity -
SRG-NET-000362
<GroupDescription></GroupDescription>Group -
The router must be configured to have Internet Control Message Protocol (ICMP) redirects disabled on all external interfaces.
<VulnDiscussion>The ICMP supports IP traffic by relaying information about paths, routes, and network conditions. Routers automatically send ...Rule Medium Severity -
SRG-NET-000362
<GroupDescription></GroupDescription>Group -
The BGP router must be configured to use the maximum prefixes feature to protect against route table flooding and prefix de-aggregation attacks.
<VulnDiscussion>The effects of prefix de-aggregation can degrade router performance due to the size of routing tables and also result in blac...Rule Medium Severity -
SRG-NET-000362
<GroupDescription></GroupDescription>Group -
The BGP router must be configured to limit the prefix size on any inbound route advertisement to /24 or the least significant prefixes issued to the customer.
<VulnDiscussion>The effects of prefix de-aggregation can degrade router performance due to the size of routing tables and also result in blac...Rule Low Severity
Node 2
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