Memorize to read 303-200 Latest Topics before attempting real exam
At killexams.com, our Real exam Questions are a must for passing the LPI 303-200 exam. We have gathered real test 303-200 questions that are updated and exactly replica of the real exam, and they have been checked by industry specialists. For those who do not have time to research 303-200 ebooks, simply sign up and download the quickest 303-200 Exam dumps and get ready for the exam.

If you are in urgent need of passing the LPI 303-200 exam to find a job or advance your position within an organization, Killexams.com is the place to enlist. Killexams.com has a team of experts who gather genuine 303-200 test questions to ensure that you breeze through the LPIC-3 exam 303: Security, version 2.0 - 2024 test. You can download up-to-date 303-200 test questions every time you log in to your account. While there are many organizations that offer 303-200 Dumps, finding valid and latest 2024 303-200 Test Prep can be a major challenge. Relying solely on Free Dumps provided online may lead to failure in the test. Therefore, investing a small amount of money in Killexams 303-200 real issues is smarter than wasting huge test charges.

Passing the LPIC-3 exam 303: Security, version 2.0 - 2024 test is easy if you have a clear understanding of the 303-200 syllabus and practice with the latest 2024 updated question bank. memorizing and practicing real issues is better for quick success. You need to tackle tricky questions asked in the genuine 303-200 test. To achieve this, visit Killexams.com and download free 303-200 Real exam Questions test questions to read. If you feel confident with these 303-200 questions, enroll to download the Test Prep of 303-200 Real exam Questions. This will be your first step towards incredible advancement. download and install the VCE test system on your computer. Read and memorize 303-200 Real exam Questions and take practice tests as often as possible with VCE test system. When you feel that you have retained all the questions in the LPIC-3 exam 303: Security, version 2.0 - 2024 question bank, go to the Test Center and register for the real test.

Killexams.com provides the latest, valid, and 2024 up-to-date LPI 303-200 Real exam Questions that are the best to pass the LPIC-3 exam 303: Security, version 2.0 - 2024 exam. It is best to help you upskill as an expert in your organization. Killexams.com has a reputation for helping individuals pass the 303-200 exam on their first attempt. Our Dumps has remained at the top for the past four years. Customers trust our 303-200 Real exam Questions and VCE for their genuine 303-200 test. Killexams.com is the most credible source of genuine 303-200 test questions. We keep our 303-200 Real exam Questions valid and 2024 up-to-date continually.

Exam Title :
LPIC-3 Security

Exam ID :
303-200

Exam Duration :
90 mins

Questions in exam :
60

Passing Score :
500 / 800

Exam Center :
LPI Marketplace

Real Questions :
LPI LPIC-3 Real Questions

VCE practice exam :
LPI 303-200 Certification VCE Practice Test








Topic 325: Cryptography


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

- 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





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





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