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LPI 303-200 Exam Topics, Blueprint and Syllabus

LPIC-3 Exam 303: Security, 2.0

Last Update November 23, 2024
Total Questions : 60

Our LPIC Level 3 303-200 exam questions and answers cover all the topics of the latest LPIC-3 Exam 303: Security, 2.0 exam, See the topics listed below. We also provide LPI 303-200 exam dumps with accurate exam content to help you prepare for the exam quickly and easily. Additionally, we offer a range of LPI 303-200 resources to help you understand the topics covered in the exam, such as LPIC Level 3 video tutorials, 303-200 study guides, and 303-200 practice exams. With these resources, you can develop a better understanding of the topics covered in the exam and be better prepared for success.

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LPI 303-200 Exam Overview :

Exam Name LPIC-3 Exam 303: Security, 2.0
Exam Code 303-200
Actual Exam Duration The duration of the LPI 303-200 exam is 90 minutes.
Expected no. of Questions in Actual Exam 60
What exam is all about The LPI 303-200 exam is a certification exam for Linux professionals. It is designed to test the knowledge and skills of Linux system administrators in the areas of system administration, networking, security, and troubleshooting. The exam covers topics such as system installation, configuration, and maintenance; system security; network configuration and troubleshooting; and system performance tuning.
Passing Score required The passing score for the LPI 303-200 exam is 500 out of 800.
Competency Level required The LPI 303-200 exam is an intermediate-level exam that requires a basic understanding of Linux system administration. Candidates should have a good understanding of the Linux command line, basic system administration tasks, and networking concepts. They should also be familiar with the Linux kernel, system services, and security.
Questions Format The LPI 303-200 exam consists of multiple-choice questions.
Delivery of Exam The LPI 303-200 exam is available in two formats: online and paper-based. The online version is delivered through the Pearson VUE testing platform, while the paper-based version is delivered through the Prometric testing platform.
Language offered The LPI 303-200 exam is written in English.
Cost of exam The cost of the LPI 303-200 exam is $200 USD.
Target Audience The target audience for the LPI 303-200 exam is IT professionals who are looking to become certified Linux system administrators. This exam is designed for those who have a basic understanding of Linux and want to demonstrate their knowledge and skills in the field. It is also suitable for those who are looking to gain a deeper understanding of Linux and its capabilities.
Average Salary in Market The average salary for someone with an LPI 303-200 certification is difficult to estimate, as it depends on a variety of factors such as experience, location, and industry. Generally, however, those with an LPI 303-200 certification can expect to earn a higher salary than those without the certification.
Testing Provider The Linux Professional Institute (LPI) does not provide the 303-200 exam for testing. The exam is only available through authorized testing centers. To find a testing center near you, please visit the LPI website.
Recommended Experience The recommended experience for the LPI 303-200 exam is at least two years of experience working with Linux systems, including installation, configuration, and troubleshooting. Additionally, candidates should have a good understanding of system administration tasks, such as user and group management, file permissions, package management, and network configuration.
Prerequisite The Prerequisite for the LPI 303-200 exam is the LPIC-3 300: Mixed Environment exam (LPI 303-200).
Retirement (If Applicable) The LPI 303-200 exam does not have an expiration date. It is valid for life.
Certification Track (RoadMap): The LPI 303-200 exam is part of the Linux Professional Institute (LPI) Level 3 certification track. It is the second exam in the track and is designed to test a candidate's knowledge and skills in advanced Linux system administration. The exam covers topics such as system security, system maintenance, system troubleshooting, network services, and system automation. Passing the LPI 303-200 exam is a prerequisite for obtaining the LPI Level 3 certification.
Official Information https://www.lpi.org/our-certifications/exam-303-objectives
See Expected Questions LPI 303-200 Expected Questions in Actual Exam
Take Self-Assessment Use LPI 303-200 Practice Test to Assess your preparation - Save Time and Reduce Chances of Failure

LPI 303-200 Exam Topics :

Section Weight Objectives
Topic 325: Cryptography 17% 325.1 X.509 Certificates and Public Key Infrastructures

Weight: 5

Description: Candidates should understand X.509 certificates and public key infrastructures. They should know how to configure and use OpenSSL to implement certification authorities and issue SSL certificates for various purposes.

Key Knowledge Areas:
  • Understand X.509 certificates, X.509 certificate lifecycle, X.509 certificate fields and X.509v3 certificate extensions
  • Understand trust chains and public key infrastructures
  • Generate and manage public and private keys
  • Create, operate and secure a certification authority
  • Request, sign and manage server and client certificates
  • Revoke certificates and certification authorities

The following is a partial list of the used files, terms and utilities:
  • openssl, including relevant subcommands
  • OpenSSL configuration
  • PEM, DER, PKCS
  • CSR
  • CRL
  • OCSP

325.2 X.509 Certificates for Encryption, Signing and Authentication

Weight: 4

Description: Candidates should know how to use X.509 certificates for both server and client authentication. Candidates should be able to implement user and server authentication for Apache HTTPD. The version of Apache HTTPD covered is 2.4 or higher.

Key Knowledge Areas:
  • Understand SSL, TLS and protocol versions
  • Understand common transport layer security threats, for example Man-in-the-Middle
  • Configure Apache HTTPD with mod_ssl to provide HTTPS service, including SNI and HSTS
  • Configure Apache HTTPD with mod_ssl to authenticate users using certificates
  • Configure Apache HTTPD with mod_ssl to provide OCSP stapling
  • Use OpenSSL for SSL/TLS client and server tests
Terms and Utilities:
  • Intermediate certification authorities
  • Cipher configuration (no cipher-specific knowledge)
  • httpd.conf
  • mod_ssl
  • openssl

325.3 Encrypted File Systems

Weight: 3

Description: Candidates should be able to setup and configure encrypted file systems.

Key Knowledge Areas:
  • Understand block device and file system encryption
  • Use dm-crypt with LUKS to encrypt block devices
  • Use eCryptfs to encrypt file systems, including home directories and
  • PAM integration
  • Be aware of plain dm-crypt and EncFS
Terms and Utilities:
  • cryptsetup
  • cryptmount
  • /etc/crypttab
  • ecryptfsd
  • ecryptfs-* commands
  • mount.ecryptfs, umount.ecryptfs
  • pam_ecryptfs
325.4 DNS and Cryptography

Weight: 5

Description: Candidates should have experience and knowledge of cryptography in the context of DNS and its implementation using BIND. The version of BIND covered is 9.7 or higher.

Key Knowledge Areas:
  • Understanding of DNSSEC and DANE
  • Configure and troubleshoot BIND as an authoritative name server serving DNSSEC secured zones
  • Configure BIND as an recursive name server that performs DNSSEC validation on behalf of its clients
  • Key Signing Key, Zone Signing Key, Key Tag
  • Key generation, key storage, key management and key rollover
  • Maintenance and re-signing of zones
  • Use DANE to publish X.509 certificate information in DNS
  • Use TSIG for secure communication with BIND
Terms and Utilities:
  • DNS, EDNS, Zones, Resource Records
  • DNS resource records: DS, DNSKEY, RRSIG, NSEC, NSEC3, NSEC3PARAM, TLSA
  • DO-Bit, AD-Bit
  • TSIG
  • named.conf
  • dnssec-keygen
  • dnssec-signzone
  • dnssec-settime
  • dnssec-dsfromkey
  • rndc
  • dig
  • delv
  • openssl
Topic 326: Host Security 16% 326.1 Host Hardening

Weight: 3

Description: Candidates should be able to secure computers running Linux against common threats. This includes kernel and software configuration.

Key Knowledge Areas:
  • Configure BIOS and boot loader (GRUB 2) security
  • Disable useless software and services
  • Use sysctl for security related kernel configuration, particularly ASLR, Exec-Shield and IP / ICMP configuration
  • Exec-Shield and IP / ICMP configuration
  • Limit resource usage
  • Work with chroot environments
  • Drop unnecessary capabilities
  • Be aware of the security advantages of virtualization

Terms and Utilities:
  • grub.cfg
  • chkconfig, systemctl
  • ulimit
  • /etc/security/limits.conf
  • pam_limits.so
  • chroot
  • sysctl
  • /etc/sysctl.conf

326.2 Host Intrusion Detection

Weight: 4

Description: Candidates should be familiar with the use and configuration of common host intrusion detection software. This includes updates and maintenance as well as automated host scans.

Key Knowledge Areas:
  • Use and configure the Linux Audit system
  • Use chkrootkit
  • Use and configure rkhunter, including updates
  • Use Linux Malware Detect
  • Automate host scans using cron
  • Configure and use AIDE, including rule management
  • Be aware of OpenSCAP

Terms and Utilities:
  • auditd
  • auditctl
  • ausearch, aureport
  • auditd.conf
  • auditd.rules
  • pam_tty_audit.so
  • chkrootkit
  • rkhunter
  • /etc/rkhunter.conf
  • maldet
  • conf.maldet
  • aide
  • /etc/aide/aide.conf

326.3 User Management and Authentication

Weight: 5

Description: Candidates should be familiar with management and authentication of user accounts. This includes configuration and use of NSS, PAM, SSSD and Kerberos for both local and remote directories and authentication mechanisms as well as enforcing a password policy.

Key Knowledge Areas:
  • Understand and configure NSS
  • Understand and configure PAM
  • Enforce password complexity policies and periodic password changes
  • Lock accounts automatically after failed login attempts
  • Configure and use SSSD
  • Configure NSS and PAM for use with SSSD
  • Configure SSSD authentication against Active Directory, IPA, LDAP, Kerberos and local domains
  • Kerberos and local domains
  • Obtain and manage Kerberos tickets

Terms and Utilities:
  • nsswitch.conf
  • /etc/login.defs
  • pam_cracklib.so
  • chage
  • pam_tally.so, pam_tally2.so
  • faillog
  • pam_sss.so
  • sssd
  • sssd.conf
  • sss_* commands
  • krb5.conf
  • kinit, klist, kdestroy

326.4 FreeIPA Installation and Samba Integration

Weight: 4

Description: Candidates should be familiar with FreeIPA v4.x. This includes installation and maintenance of a server instance with a FreeIPA domain as well as integration of FreeIPA with Active Directory.

Key Knowledge Areas:
  • Understand FreeIPA, including its architecture and components
  • Understand system and configuration prerequisites for installing FreeIPA
  • Install and manage a FreeIPA server and domain
  • Understand and configure Active Directory replication and Kerberos cross-realm trusts
  • Be aware of sudo, autofs, SSH and SELinux integration in FreeIPA
Terms and Utilities:
  • 389 Directory Server, MIT Kerberos, Dogtag Certificate System, NTP, DNS, SSSD, certmonger
  • ipa, including relevant subcommands
  • ipa-server-install, ipa-client-install, ipa-replica-install
  • ipa-replica-prepare, ipa-replica-manage
Topic 327: Access Control 10% 327.1 Discretionary Access Control

Weight: 3

Description: Candidates are required to understand Discretionary Access Control and know how to implement it using Access Control Lists. Additionally, candidates are required to understand and know how to use Extended Attributes.

Key Knowledge Areas:
  • Understand and manage file ownership and permissions, including SUID and SGID
  • Understand and manage access control lists
  • Understand and manage extended attributes and attribute classes
Terms and Utilities:
  • getfacl
  • setfacl
  • getfattr
  • setfattr
327.2 Mandatory Access Control

Weight: 4

Description: Candidates should be familiar with Mandatory Access Control systems for Linux. Specifically, candidates should have a thorough knowledge of SELinux. Also, candidates should be aware of other Mandatory Access Control systems for Linux. This includes major features of these systems but not configuration and use.

Key Knowledge Areas:
  • Understand the concepts of TE, RBAC, MAC and DAC
  • Configure, manage and use SELinux
  • Be aware of AppArmor and Smack

Terms and Utilities:

getenforce, setenforce, selinuxenabled
getsebool, setsebool, togglesebool
fixfiles, restorecon, setfiles
newrole, runcon
semanage
sestatus, seinfo
apol
seaudit, seaudit-report, audit2why, audit2allow
/etc/selinux/*


327.3 Network File Systems

Weight: 3

Description: Candidates should have experience and knowledge of security issues in use and configuration of NFSv4 clients and servers as well as CIFS client services. Earlier versions of NFS are not required knowledge.

Key Knowledge Areas:
  • Understand NFSv4 security issues and improvements
  • Configure NFSv4 server and clients
  • Understand and configure NFSv4 authentication mechanisms (LIPKEY, SPKM, Kerberos)
  • Understand and use NFSv4 pseudo file system
  • Understand and use NFSv4 ACLs
  • Configure CIFS clients
  • Understand and use CIFS Unix Extensions
  • Understand and configure CIFS security modes (NTLM, Kerberos)
  • Understand and manage mapping and handling of CIFS ACLs and SIDs in a Linux system
Terms and Utilities:
  • /etc/exports
  • /etc/idmap.conf
  • nfs4acl
  • mount.cifs parameters related to ownership, permissions and security modes
  • winbind
  • getcifsacl, setcifsacl
Topic 328: Network Security   328.1 Network Hardening

Weight: 4

Description: Candidates should be able to secure networks against common threats. This includes verification of the effectiveness of security measures.

Key Knowledge Areas:
  • Configure FreeRADIUS to authenticate network nodes
  • Use nmap to scan networks and hosts, including different scan methods
  • Use Wireshark to analyze network traffic, including filters and statistics
  • Identify and deal with rogue router advertisements and DHCP messages

Terms and Utilities:
  • radiusd
  • radmin
  • radtest, radclient
  • radlast, radwho
  • radiusd.conf
  • /etc/raddb/*
  • nmap
  • wireshark
  • tshark
  • tcpdump
  • ndpmon
328.2 Network Intrusion Detection

Weight: 4

Description: Candidates should be familiar with the use and configuration of network security scanning, network monitoring and network intrusion detection software. This includes updating and maintaining the security scanners.

Key Knowledge Areas:
  • Implement bandwidth usage monitoring
  • Configure and use Snort, including rule management
  • Configure and use OpenVAS, including NASL
Terms and Utilities:
  • ntop
  • Cacti
  • snort
  • snort-stat
  • /etc/snort/*
  • openvas-adduser, openvas-rmuser
  • openvas-nvt-sync
  • openvassd
  • openvas-mkcert
  • /etc/openvas/*
328.3 Packet Filtering

Weight: 5

Description: Candidates should be familiar with the use and configuration of packet filters. This includes netfilter, iptables and ip6tables as well as basic knowledge of nftables, nft and ebtables.

Key Knowledge Areas:
  • Understand common firewall architectures, including DMZ
  • Understand and use netfilter, iptables and ip6tables, including standard modules, tests and targets
  • Implement packet filtering for both IPv4 and IPv6
  • Implement connection tracking and network address translation
  • Define IP sets and use them in netfilter rules
  • Have basic knowledge of nftables and nft
  • Have basic knowledge of ebtables
  • Be aware of conntrackd
Terms and Utilities:
  • iptables
  • ip6tables
  • iptables-save, iptables-restore
  • ip6tables-save, ip6tables-restore
  • ipset
  • nft
  • ebtables
328.4 Virtual Private Networks

Weight: 4

Description: Candidates should be familiar with the use of OpenVPN and IPsec.

Key Knowledge Areas:
  • Configure and operate OpenVPN server and clients for both bridged and routed VPN networks
  • Configure and operate IPsec server and clients for routed VPN networks using IPsec-Tools / racoon
  • Awareness of L2TP
Terms and Utilities:
  • /etc/openvpn/*
  • openvpn server and client
  • setkey
  • /etc/ipsec-tools.conf
  • /etc/racoon/racoon.conf