I - Mission Critical Classified
Rules and Groups employed by this XCCDF Profile
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SRG-NET-000362-ALG-000112
<GroupDescription></GroupDescription>Group -
Symantec ProxySG providing content filtering must protect against known and unknown types of denial-of-service (DoS) attacks by employing rate-based attack prevention behavior analysis.
<VulnDiscussion>If the network does not provide safeguards against DoS attacks, network resources will be unavailable to users. Installation...Rule Medium Severity -
SRG-NET-000362-ALG-000120
<GroupDescription></GroupDescription>Group -
Symantec ProxySG must implement load balancing to limit the effects of known and unknown types of denial-of-service (DoS) attacks.
<VulnDiscussion>If the network does not provide safeguards against DoS attacks, network resources will be unavailable to users. Load balancin...Rule Medium Severity -
SRG-NET-000192-ALG-000121
<GroupDescription></GroupDescription>Group -
Symantec ProxySG must block outbound traffic containing known and unknown denial-of-service (DoS) attacks to protect against the use of internal information systems to launch any DoS attacks against other networks or endpoints.
<VulnDiscussion>DoS attacks can take multiple forms but have the common objective of overloading or blocking a network or host to deny or ser...Rule Medium Severity -
SRG-NET-000364-ALG-000122
<GroupDescription></GroupDescription>Group -
Symantec ProxySG must allow incoming communications only from organization-defined authorized sources routed to organization-defined authorized destinations.
<VulnDiscussion>Unrestricted traffic may contain malicious traffic that poses a threat to an enclave or to other connected networks. Addition...Rule Medium Severity -
SRG-NET-000365-ALG-000123
<GroupDescription></GroupDescription>Group -
Symantec ProxySG must fail securely in the event of an operational failure.
<VulnDiscussion>If a boundary protection device fails in an unsecure manner (open), information external to the boundary protection device ma...Rule Medium Severity -
SRG-NET-000202-ALG-000124
<GroupDescription></GroupDescription>Group -
Symantec ProxySG must deny network communications traffic by default and allow network communications traffic by exception (i.e., deny all, permit by exception).
<VulnDiscussion>A deny-all, permit-by-exception network communications traffic policy ensures that only connections that are essential and ap...Rule Medium Severity -
SRG-NET-000370-ALG-000125
<GroupDescription></GroupDescription>Group -
Symantec ProxySG must identify and log internal users associated with denied outgoing communications traffic posing a threat to external information systems.
<VulnDiscussion>Without identifying the users who initiated the traffic, it would be difficult to identify those responsible for the denied c...Rule Medium Severity -
SRG-NET-000273-ALG-000129
<GroupDescription></GroupDescription>Group -
Symantec ProxySG must tailor the Exceptions messages to generate error messages that provide the information necessary for corrective actions without revealing information that could be exploited by adversaries.
<VulnDiscussion>Providing too much information in error messages risks compromising the data and security of the application and system. Org...Rule Medium Severity -
SRG-NET-000383-ALG-000135
<GroupDescription></GroupDescription>Group -
Symantec ProxySG providing content filtering must be configured to integrate with a system-wide intrusion detection system.
<VulnDiscussion>Without coordinated reporting between separate devices, it is not possible to identify the true scale and possible target of ...Rule Medium Severity -
SRG-NET-000384-ALG-000136
<GroupDescription></GroupDescription>Group -
Symantec ProxySG providing content filtering must detect use of network services that have not been authorized or approved by the ISSM and ISSO, at a minimum.
<VulnDiscussion>Unauthorized or unapproved network services lack organizational verification or validation and therefore may be unreliable or...Rule Medium Severity
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