Symantec ProxySG ALG Security Technical Implementation Guide

Overview

VersionDateFinding Count (66)Downloads
12020-03-27CAT I (High): 9CAT II (Medium): 57CAT III (Low): 0
STIG Description
This Security Technical Implementation Guide is published as a tool to improve the security of Department of Defense (DoD) information systems. The requirements are derived from the National Institute of Standards and Technology (NIST) 800-53 and related documents. Comments or proposed revisions to this document should be sent via email to the following address: disa.stig_spt@mail.mil.
ClassifiedPublicSensitive
I - Mission Critical ClassifiedI - Mission Critical PublicI - Mission Critical Sensitive
II - Mission Support ClassifiedII - Mission Support PublicII - Mission Support Sensitive
III - Administrative ClassifiedIII - Administrative PublicIII - Administrative Sensitive

Findings - MAC III - Administrative Sensitive

Finding IDSeverityTitleDescription
V-94217
LOWMEDIUMHIGH
If Symantec ProxySG filters externally initiated traffic, reverse proxy services must be configured.Automated monitoring of remote access traffic allows organizations to detect cyber attacks and also ensure ongoing compliance with remote access polic...
V-94219
LOWMEDIUMHIGH
Symantec ProxySG providing intermediary services for remote access communications traffic must ensure outbound traffic is monitored for compliance with remote access security policies.Automated monitoring of remote access traffic allows organizations to detect cyber attacks and also ensure ongoing compliance with remote access polic...
V-94223
LOWMEDIUMHIGH
Symantec ProxySG providing reverse proxy intermediary services for TLS must be configured to version 1.1 or higher with an approved cipher suite.SP 800-52 provides guidance on using the most secure version and configuration of the TLS/SSL protocol. Using older unauthorized versions or incorrect...
V-94225
LOWMEDIUMHIGH
Symantec ProxySG storing secret or private keys must use FIPS-approved key management technology and processes in the production and control of private/secret cryptographic keys.Private key data is used to prove that the entity presenting a public key certificate is the certificate's rightful owner. Compromise of private key d...
V-94231
LOWMEDIUMHIGH
Symantec ProxySG must enforce approved authorizations for controlling the flow of information within the network based on attribute- and content-based inspection of the source, destination, headers, and/or content of the communications traffic.Information flow control regulates where information is allowed to travel within a network. The flow of all network traffic must be monitored and cont...
V-94233
LOWMEDIUMHIGH
Symantec ProxySG must immediately use updates made to policy enforcement mechanisms such as policies and rules.Information flow policies regarding dynamic information flow control include, for example, allowing or disallowing information flows based on changes ...
V-94235
LOWMEDIUMHIGH
Symantec ProxySG providing user access control intermediary services must display the Standard Mandatory DoD-approved Notice and Consent Banner before granting access to the network.Display of a standardized and approved use notification before granting access to the network ensures that privacy and security notification verbiage ...
V-94237
LOWMEDIUMHIGH
Symantec ProxySG providing user access control intermediary services for publicly accessible applications must display the Standard Mandatory DoD-approved Notice and Consent Banner before granting access to the system.Display of a standardized and approved use notification before granting access to the publicly accessible network element ensures privacy and security...
V-94239
LOWMEDIUMHIGH
Symantec ProxySG providing user access control intermediary services must generate audit records when successful/unsuccessful logon attempts occur.Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlat...
V-94241
LOWMEDIUMHIGH
Symantec ProxySG providing user access control intermediary services must generate audit records showing starting and ending time for user access to the system.Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlat...
V-94243
LOWMEDIUMHIGH
Symantec ProxySG providing user access control intermediary services must generate audit records when successful/unsuccessful attempts to access web resources occur.Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlat...
V-94245
LOWMEDIUMHIGH
Symantec ProxySG must produce audit records containing information to establish what type of events occurred.Without establishing what type of event occurred, it would be difficult to establish, correlate, and investigate the events leading up to an outage or...
V-94247
LOWMEDIUMHIGH
Symantec ProxySG must produce audit records containing information to establish when (date and time) the events occurred.Without establishing when events occurred, it is impossible to establish, correlate, and investigate the events leading up to an outage or attack. In...
V-94249
LOWMEDIUMHIGH
Symantec ProxySG must produce audit records containing information to establish where the events occurred.Without establishing where events occurred, it is impossible to establish, correlate, and investigate the events leading up to an outage or attack. I...
V-94251
LOWMEDIUMHIGH
Symantec ProxySG must produce audit records containing information to establish the source of the events.Without establishing the source of the event, it is impossible to establish, correlate, and investigate the events leading up to an outage or attack. ...
V-94253
LOWMEDIUMHIGH
Symantec ProxySG must produce audit records containing information to establish the outcome of the events.Without information about the outcome of events, security personnel cannot make an accurate assessment as to whether an attack was successful or if ch...
V-94255
LOWMEDIUMHIGH
Symantec ProxySG must generate audit records containing information to establish the identity of any individual or process associated with the event.Without information that establishes the identity of the subjects (i.e., users or processes acting on behalf of users) associated with the events, sec...
V-94257
LOWMEDIUMHIGH
Symantec ProxySG must use a centralized log server.Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common process in information s...
V-94259
LOWMEDIUMHIGH
Symantec ProxySG must be configured to send the access logs to the centralized log server continuously.Off-loading ensures audit information does not get overwritten if the limited audit storage capacity is reached and also protects the audit record in ...
V-94261
LOWMEDIUMHIGH
Symantec ProxySG must provide an alert to, at a minimum, the SCA and ISSO of all audit failure events where the detection and/or prevention function is unable to write events to either local storage or the centralized server.Without a real-time alert, security personnel may be unaware of an impending failure of the audit capability and system operation may be adversely aff...
V-94263
LOWMEDIUMHIGH
The reverse proxy Symantec ProxySG providing intermediary services for FTP must inspect inbound FTP communications traffic for protocol compliance and protocol anomalies.Application protocol anomaly detection examines application layer protocols such as FTP to identify attacks based on observed deviations in the normal...
V-94265
LOWMEDIUMHIGH
Symantec ProxySG providing intermediary services for FTP must inspect outbound FTP communications traffic for protocol compliance and protocol anomalies.Application protocol anomaly detection examines application layer protocols such as FTP to identify attacks based on observed deviations in the normal...
V-94267
LOWMEDIUMHIGH
Symantec ProxySG providing intermediary services for HTTP must inspect inbound HTTP traffic for protocol compliance and protocol anomalies.Application protocol anomaly detection examines application layer protocols such as HTTP to identify attacks based on observed deviations in the norma...
V-94269
LOWMEDIUMHIGH
Symantec ProxySG providing intermediary services for HTTP must inspect outbound HTTP traffic for protocol compliance and protocol anomalies.Application protocol anomaly detection examines application layer protocols such as HTTP to identify attacks based on observed deviations in the norma...
V-94271
LOWMEDIUMHIGH
Symantec ProxySG must not have unnecessary services and functions enabled.Information systems are capable of providing a wide variety of functions (capabilities or processes) and services. Some of these functions and service...
V-94273
LOWMEDIUMHIGH
Symantec ProxySG must be configured to remove or disable unrelated or unneeded application proxy services.Unrelated or unneeded proxy services increase the attack vector and add excessive complexity to the securing of the ALG. Multiple application proxies ...
V-94277
LOWMEDIUMHIGH
Symantec ProxySG providing user authentication intermediary services must require users to reauthenticate every 900 seconds when organization-defined circumstances or situations require reauthentication.Without reauthentication, users may access resources or perform tasks for which they do not have authorization. In addition to the reauthentication r...
V-94285
LOWMEDIUMHIGH
Symantec ProxySG providing user authentication intermediary services must implement multifactor authentication for remote access to nonprivileged accounts such that one of the factors is provided by a device separate from the system gaining access.For remote access to nonprivileged accounts, the purpose of requiring a device that is separate from the information system gaining access for one of ...
V-94287
LOWMEDIUMHIGH
Symantec ProxySG providing user authentication intermediary services must implement multifactor authentication for remote access to privileged accounts such that one of the factors is provided by a device separate from the system gaining access.For remote access to privileged accounts, the purpose of requiring a device that is separate from the information system gaining access for one of the...
V-94289
LOWMEDIUMHIGH
Symantec ProxySG providing user authentication intermediary services must use multifactor authentication for network access to nonprivileged accounts.To assure accountability and prevent unauthenticated access, nonprivileged users must use multifactor authentication to prevent potential misuse and c...
V-94291
LOWMEDIUMHIGH
Symantec ProxySG providing user authentication intermediary services must implement replay-resistant authentication mechanisms for network access to nonprivileged accounts.A replay attack may enable an unauthorized user to gain access to the application. Authentication sessions between the authenticator and the applicati...
V-94293
LOWMEDIUMHIGH
Symantec ProxySG must prohibit the use of cached authenticators after 300 seconds at a minimum.If the cached authenticator information is out of date, the validity of the authentication information may be questionable. This requirement applies ...
V-94295
LOWMEDIUMHIGH
Symantec ProxySG, when configured for reverse proxy/WAF services and providing PKI-based user authentication intermediary services, must map the client certificate to the authentication server store.Authorization for access to any network element requires an approved and assigned individual account identifier. To ensure only the assigned individua...
V-94297
LOWMEDIUMHIGH
Symantec ProxySG providing user authentication intermediary services using PKI-based user authentication must implement a local cache of revocation data to support path discovery and validation in case of the inability to access revocation information via the network.Without configuring a local cache of revocation data, there is the potential to allow access to users who are no longer authorized (users with revoked...
V-94299
LOWMEDIUMHIGH
Symantec ProxySG providing user authentication intermediary services must conform to Federal Identity, Credential, and Access Management (FICAM)-issued profiles.Without conforming to FICAM-issued profiles, the information system may not be interoperable with FICAM-authentication protocols, such as SAML 2.0 and...
V-94303
LOWMEDIUMHIGH
Symantec ProxySG providing forward proxy encryption intermediary services must use NIST FIPS-validated cryptography to implement encryption services.Use of weak or untested encryption algorithms undermines the purposes of using encryption to protect data. The network element must implement cryptogr...
V-94305
LOWMEDIUMHIGH
Symantec ProxySG providing reverse proxy encryption intermediary services must implement NIST FIPS-validated cryptography to generate cryptographic hashes.Use of weak or untested encryption algorithms undermines the purposes of using encryption to protect data. The network element must implement cryptogr...
V-94307
LOWMEDIUMHIGH
Symantec ProxySG providing reverse proxy encryption intermediary services must implement NIST FIPS-validated cryptography for digital signatures.Use of weak or untested encryption algorithms undermines the purposes of using encryption to protect data. The network element must implement cryptogr...
V-94309
LOWMEDIUMHIGH
Symantec ProxySG providing reverse proxy encryption intermediary services must use NIST FIPS-validated cryptography to implement encryption services.Use of weak or untested encryption algorithms undermines the purposes of using encryption to protect data. The network element must implement cryptogr...
V-94313
LOWMEDIUMHIGH
If reverse proxy is used for validating and restricting certs from external entities, and this function is required by the SSP, Symantec ProxySG providing user authentication intermediary services using PKI-based user authentication must only accept end entity certificates issued by DoD PKI or DoD-approved PKI Certification Authorities (CAs) for the establishment of protected sessions.Non-DoD-approved PKIs have not been evaluated to ensure they have security controls and identity vetting procedures in place that are sufficient for D...
V-94315
LOWMEDIUMHIGH
Symantec ProxySG must fail to a secure state upon failure of initialization, shutdown, or abort actions.Failure to a known safe state helps prevent systems from failing to a state that may cause loss of data or unauthorized access to system resources. Ne...
V-94317
LOWMEDIUMHIGH
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.If the network does not provide safeguards against DoS attacks, network resources will be unavailable to users. Installation of content filtering gat...
V-94319
LOWMEDIUMHIGH
Symantec ProxySG must implement load balancing to limit the effects of known and unknown types of denial-of-service (DoS) attacks.If the network does not provide safeguards against DoS attacks, network resources will be unavailable to users. Load balancing provides service redund...
V-94321
LOWMEDIUMHIGH
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.DoS attacks can take multiple forms but have the common objective of overloading or blocking a network or host to deny or seriously degrade performanc...
V-94323
LOWMEDIUMHIGH
Symantec ProxySG must allow incoming communications only from organization-defined authorized sources routed to organization-defined authorized destinations.Unrestricted traffic may contain malicious traffic that poses a threat to an enclave or to other connected networks. Additionally, unrestricted traffi...
V-94325
LOWMEDIUMHIGH
Symantec ProxySG must fail securely in the event of an operational failure.If a boundary protection device fails in an unsecure manner (open), information external to the boundary protection device may enter, or the device ma...
V-94327
LOWMEDIUMHIGH
Symantec ProxySG must deny network communications traffic by default and allow network communications traffic by exception (i.e., deny all, permit by exception).A deny-all, permit-by-exception network communications traffic policy ensures that only connections that are essential and approved are allowed. As a...
V-94329
LOWMEDIUMHIGH
Symantec ProxySG must identify and log internal users associated with denied outgoing communications traffic posing a threat to external information systems.Without identifying the users who initiated the traffic, it would be difficult to identify those responsible for the denied communications. This requ...
V-94331
LOWMEDIUMHIGH
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.Providing too much information in error messages risks compromising the data and security of the application and system. Organizations must carefully...
V-94333
LOWMEDIUMHIGH
Symantec ProxySG providing content filtering must be configured to integrate with a system-wide intrusion detection system.Without coordinated reporting between separate devices, it is not possible to identify the true scale and possible target of an attack. Integration o...
V-94335
LOWMEDIUMHIGH
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.Unauthorized or unapproved network services lack organizational verification or validation and therefore may be unreliable or serve as malicious rogue...
V-94337
LOWMEDIUMHIGH
Symantec ProxySG providing content filtering must generate a log record when access attempts to unauthorized websites and/or services are detected.Unauthorized or unapproved network services lack organizational verification or validation and therefore may be unreliable or serve as malicious rogue...
V-94339
LOWMEDIUMHIGH
Symantec ProxySG providing content filtering must generate an alert to, at a minimum, the ISSO and ISSM when access attempts to unauthorized websites and/or services are detected.Unauthorized or unapproved network services lack organizational verification or validation and therefore may be unreliable or serve as malicious rogue...
V-94341
LOWMEDIUMHIGH
Reverse proxy Symantec ProxySG providing content filtering must continuously monitor inbound communications traffic crossing internal security boundaries for unusual or unauthorized activities or conditions.If inbound communications traffic is not continuously monitored, hostile activity may not be detected and prevented. Output from application and traff...
V-94343
LOWMEDIUMHIGH
Symantec ProxySG providing content filtering must continuously monitor outbound communications traffic crossing internal security boundaries for unusual/unauthorized activities or conditions.If outbound communications traffic is not continuously monitored, hostile activity may not be detected and prevented. Output from application and traf...
V-94345
LOWMEDIUMHIGH
Symantec ProxySG providing content filtering must send an alert to, at a minimum, the ISSO and ISSM when detection events occur.Without an alert, security personnel may be unaware of major detection incidents that require immediate action, and this delay may result in the loss ...
V-94347
LOWMEDIUMHIGH
Symantec ProxySG providing content filtering must generate an alert to, at a minimum, the ISSO and ISSM when denial-of-service (DoS) incidents are detected.Without an alert, security personnel may be unaware of major detection incidents that require immediate action, and this delay may result in the loss ...
V-94221
LOWMEDIUMHIGH
Symantec ProxySG providing forward proxy intermediary services for TLS must be configured to comply with the required TLS settings in NIST SP 800-52.SP 800-52 provides guidance on using the most secure version and configuration of the TLS/SSL protocol. Using older unauthorized versions or incorrect...
V-94227
LOWMEDIUMHIGH
Symantec ProxySG must implement security policies that enforce approved authorizations for logical access to information and system resources by employing identity-based, role-based, and/or attribute-based security policies.Successful authentication must not automatically give an entity access to an asset or security boundary. The lack of authorization-based access contro...
V-94229
LOWMEDIUMHIGH
Symantec ProxySG must restrict or block harmful or suspicious communications traffic by controlling the flow of information between interconnected networks based on attribute- and content-based inspection of the source, destination, headers, and/or content of the communications traffic.Information flow control regulates where information is allowed to travel within a network and between interconnected networks. Blocking or restrictin...
V-94275
LOWMEDIUMHIGH
Symantec ProxySG must be configured to prohibit or restrict the use of network services as defined in the PPSM CAL and vulnerability assessments.To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within d...
V-94279
LOWMEDIUMHIGH
Symantec ProxySG must uniquely identify and authenticate organizational users (or processes acting on behalf of organizational users).To assure accountability and prevent unauthenticated access, organizational users must be identified and authenticated to prevent potential misuse and...
V-94281
LOWMEDIUMHIGH
Symantec ProxySG must be configured with a pre-established trust relationship and mechanisms with appropriate authorities that validate user account access authorizations and privileges.User account and privilege validation must be centralized to prevent unauthorized access using changed or revoked privileges. ALGs can implement func...
V-94283
LOWMEDIUMHIGH
Symantec ProxySG providing user authentication intermediary services must restrict user authentication traffic to specific authentication servers.User authentication can be used as part of the policy filtering rule sets. Some URLs or network resources can be restricted to authenticated users onl...
V-94301
LOWMEDIUMHIGH
Symantec ProxySG must terminate all network connections associated with a communications session at the end of the session or terminate user sessions (nonprivileged session) after 15 minutes of inactivity.Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take control of a management se...
V-94311
LOWMEDIUMHIGH
Symantec ProxySG must use Transport Layer Security (TLS) to protect the authenticity of communications sessions.Authenticity protection provides protection against man-in-the-middle attacks/session hijacking and the insertion of false information into sessions. ...