Network Consultant’s/Engineer’s Handbook (Professional and Managed Services)

Important Links

IT Compliance, Standards, Guidelines, Frameworks and Industry Best Practices:

IT Security Standards:

International Standards:
ISO/IEC 27001 and 27002
National Standards:
NIST Cybersecurity Framework (National Institute of Standards and Technology)
Cyber Essentials Plus (National Cyber Security Centre (NCSC))(Cyber Essentials is a UK Government-backed, industry-supported scheme to help organisations protect themselves against common online threats.)
Industry-Specific Standards:
PCI DSS (Payment Card Industry Data Security Standard)
HIPAA (Health Insurance Portability and Accountability Act)

Security Advisories:

Palo Alto:

EoL links:
Palo Alto:

CVE (Common Vulnerabilities and Exposures) and CVSS (Common Vulnerability Scoring System):

Important Organizations:

  • United States Computer Emergency Readiness Team (US-CERT)
  • National Cybersecurity and Communications Integration Center (NCCIC)
  • Cybersecurity and Infrastructure Security Agency (CISA)
  • National Institute of Standards and Technology (NIST)
  • National Cyber Security Centre (NCSC)
  • National Security Agency (NSA)
  • Government Communications Headquarters (GCHQ)
  • Cybersecurity and Infrastructure Security Agency (CISA)
  • The Council for Registered Ethical Security Testers (CREST)

Gartner Magic Quadrant: NGFWs and SD-WAN:

Gartner Magic Quadrant for Network Firewalls 2021 | Hillstone Networks2021 Gartner Magic Quadrant Report for WAN Edge Infrastructure | Juniper  Networks

ISO/IEC 27001 and 27002

ISO/IEC 27001 and 27002 (International Standards Organization/International Electrotechnical Commission)(International standards for ISMS (Information Security Management Systems))(10 sections known as clauses and 4.0 to 10.0 are mandatory)(Clause 6.0 requirements are also called Annex A which has 14 sections and 114 clauses)

SNMP Configuration Cisco


ip access-list standard SNMP-Permitted
10 permit – ipRouteTable (IP route table) – ipNetToMediaTable (IPv4 ARP table) (deprecated by ipNetToPhysicalTable) – ipNetToPhysicalTable (combined IPv4/IPv6 translation table) – atTable (layer two address table)


snmpUsmMIB, snmpVacmMIB, and snmpCommunityMIB Objects excluded below

snmp-server view Company-RO iso included
snmp-server view Company-RO excluded
snmp-server view Company-RO excluded
snmp-server view Company-RO excluded
snmp-server view Company-RO excluded
snmp-server view Company-RO excluded
snmp-server view Company-RO excluded
snmp-server view Company-RO excluded

snmp-server enable traps
snmp-server ifindex persist
snmp-server engineID local 8000000903005C710DE1D280
snmp-server location London
snmp-server contact
snmp-server group Company_snmp_mon_grp v3 priv read Company-RO access SNMP-Permitted
snmp-server user Company_snmp_mon Company_snmp_mon_grp v3 auth sha 3ZU50CjGs56ikZwxVLLy-5bm07WEQo priv aes 128 09pxfF-HTIJnhxZvL_vJ-VBKZawXqN

snmp-server host
snmp-server host version 3 priv Company_snmp_mon