GL275 ENTERPRISE LINUX NETWORK SERVICES Course Outline

GL275 ENTERPRISE LINUX NETWORK SERVICES Course Outline

Section 1 DNS Concepts Naming Services
	The Domain Name Space Delegation and Zones Server Roles Resolving Names and Resolving IP Addresses BIND Administration rndc key configuration Configuring the Resolver and Testing Resolution Lab 1 - Configure BIND Install the BIND name server on the system and configure it to act as a slave for the classroom domains Configure the name server to support the rndc command

Section 2 Configuring Bind BIND Configuration Files
	named.conf Syntax and Options Block Creating a Site-Wide Cache Zones In named.conf Zone Database File Syntax SOA - Start of Authority A -Address / PTR-Pointer NS - Name Server CNAME -Alias / MX-Mail Host Abbreviations and Shortcuts $GENERATE Lab 2 - Configure BIND Configure the name server as the primary master name server for a domain and its corresponding id-addr.arpa domain

Section 3 Creating DNS Hierarchies Subdomains and Delegation
	in-addr.arpa Delegation Issues with in-addr.arpa RFC2317 & in-addr.arpa Lab 3 - Configure BIND Create a new subdomain and populate it with a few records Delegate control of a subdomain to another name server Using the techniques described in RFC 2317, delegate in-addr.arpa. control for a subnet to another name server

Section 4 Securing BIND and DNS Split Namespaces
	Using Views with BIND 9 Address Match Lists & ACLs Restricting Queries Restricting Zone Transfers Running BIND in a chroot jail Dynamic DNS Concepts Allowing DDNS updates Using DDNS with "nsupdate" Common Problems Lab 4 - Advanced BIND Configuration Configure and test dynamic DNS for the domain Restrict zone transfers generally Allow zone transfers of the zone to a specific host Restrict the IP range that the server will accept recursive queries from Configure a BIND name server to run in a chroot'ed environment

Section 5 LDAP Concepts Centralized Authentication
	Directory Services What LDAP Provides LDAP Concepts and Organization Schema and Entry Referencing LDIF LDAP Architecture, Security, Implementations, and Client Configuration Lab 5 - Search LDAP Execute LDAP Searches

Section 6 OpenLDAP Servers OpenLDAP Components
	Configuring slapd Global Parameters and Schema Definition Access Control Backend Types Backend and Database Configuration Indexes and Replicas Replica Configuration Syntax Conformance Lab 6 - Configure LDAP Configure the LDAP server Create a new directory Add, modify, and delete entries in the LDAP server

Section 7 Using OpenLDAP Managing slapd
	Online and Offline Data Manipulation Native LDAP authentication and Client Config Lab 7 - Configure LDAP Create self-signed x509 certificate for LDAP server use Configure LDAP server to enable secure connections Configure LDAP server with baseDN and rootDN settings Install Perl Libraries needed by ldapmigrate Add three UNIX users Use ldapmigrate to import the /etc files SetupDAP client to use native LDAP authentication

Section 8 Using Apache HTTP Operation
	Apache History and Status Apache Architecture SSL / HTTPS and Apache Apache Configuration Files httpd.conf Dynamic Shared Objects Adding Modules to Apache Apache Logging Log Analysis The Webalizer Lab 8 - Configure Apache Configure the ServerName directive Optimize Apache by turning off unneeded modules Create an index.html file

Section 9 Virtual Hosting with Apache HTTP Virtual Servers
	DNS Implications Security Implications IP-based Virtual Host Name-based Virtual Host Port-based Virtual Host Lab 9 - Configure Apache Configure Apache Virtual Hosts Use the "Main" server for global settings

Section 10 Apache Security Delegating Administration
	Directory Protection Common Uses for .htaccess Symmetric and Asymmetric Key Cryptography Digital Certificates SSL Using mod_ssl Lab 10 - Configure Apache Password protect a directory Override MIME types for a single directory Redirect traffic to a different URL Create a test SSL certificate Use Apache and SSL to setup an SSL-enabled site

Section 11 Apache Server- side Programming Dynamic HTTP Content
	PHP: Hypertext Preprocessor Developer Tools for PHP Installing, Configuring, and Securing PHP Java Servlets and JSP Jakarta Tomcat Installing Java SDK and Jakarta Tomcat Using Tomcat with Apache Lab 11 - Dynamic Content Write and test dynamic web content using CGI, mod_perl, and PHP Install Apache's Jakarta Tomcat Create dynamic HTML content with JSP Configure the Apache connector mod_jk Mount Tomcat webapps Create a Tomcat admin user Deploy a new webapp via a .war file Mount a new webapp through the Jakarta connector Configure the snipsnap webapp

Section 12 Implementing an FTP Server The FTP Protocol and Operation
	Active and Passive FTP WU-FTPD vsftpd Configuring vsftpd Anonymous vsftpd Lab 12 Configure VSFTPD Install and configure vsftpd for basic authenticated access Configure vsftpd for anonymous uploads

Section 13 The SQUID Proxy Server Squid Overview, File Layout, and Access Control Lists
	Squid ACL application Tuning Squid / Hierarchies Bandwidth Metering Monitoring Squid Proxy Client Configuration Lab 13 - Configure SQUID Define an ACL for authorized IP networks Apply the ACL using http_access Enable the Squid cachmgr.cgi program View Squid statistics Create a Proxy Auto Configuration file Change the mime-type in Apache for the PAC file Configure a web browser to use the PAC file Create an ICP proxy mesh Secure the default ICP permissions

Section 14 Samba Concepts SMB Network Protocol
	NetBIOS and NetBEUI NetBIOS Naming Samba Daemons, Clients, and Utilities Samba Configuration Files The smb.conf File Lab 14 - Configure Samba Install the Samba server and configure it to share your /tmp directory Use smbclient and smbfs to access SMB shares

Section 15 Using Samba Unix and DOS Permissions
	Unix and Windows Concepts Name and Case Mangling Sharing [homes] and Printers Restricting Access Share-Level and User-Level Access Mapping Users SMB and Passwords The smbpasswd Database User Share Restrictions Lab 15 - Configure Samba Examine Samba's behavior when handling symbolic links and file permissions Configure the Samba server to use share-level access and user-level access Compare encrypted user-level access with unencrypted user-level access Configure Samba to share users home directories on demand Configure a new group. Add a user to the group Create a directory for use by a group Configure the a share to support a group that is read only for some users and read write for others

Section 16 SMTP Theory SMTP Terminology and Architecture
	SMTP Commands and Extensions SMTP AUTH and STARTTLS SMTP Session

Section 17 Sendmail sendmail Features, and Process
	sendmail Architecture, Components, and Configuration Configuration Files Databases Text Files Network Access Masquerading sendmail Controlling access Configuring SMTP AUTH and Configuring SMTP STARTTLS Lab 17 - Configure Sendmail Install the sendmail SMTP server on the system and configure it to serve domains Configure sendmail to accept remote network connections Configure virtual hosts on sendmail Configure sendmail to use SMTP AUTH for secure relaying Configure sendmail to support STARTTLS

Section 18 Postfix Postfix Features, Architecture, Components, and Configuration
	master.cf and main.cf Postfix Map Types and Pattern Matching Advanced Options Virtual Domains and Mail Filtering Configuration and Management Commands Postfix Logging and Logfile Analysis chroot�ing Postfix Postfix and SMTP AUTH SMTP AUTH Server and Clients Postfix Extensions Postfix/TLS TLS Server Configuration Postfix Client Configuration Other TLS Clients and Ensuring TLS Security Lab 18 - Configure Postfix Install the Postfix SMTP server on the system and configure it to serve domains Configure Postfix to accept network connections Configure virtual hosts on Postfix Configure Postfix to use SMTP AUTH for secure relaying Configure Postfix to support STARTTLS and to secure SMTP AUTH

Section 19 IMAP, POP, Spam Filtering and Web Mail Filtering Email
	procmail SpamAssassin Sendmail Mail Filter (milter) Amavisd-new Mail Filtering Accessing Email The POP3 and the IMAP4 Protocol Dovecot POP3/IMAP Server Cyrus IMAP/POP3 Server Cyrus IMAP MTA integration Cyrus Mailbox Admin Fetchmail and SquirrelMail Lab 19 - Filtering/Web Mail Install the procmail mail-filtering software and configure it as the default MDA on the server Install SpamAssassin and configure it to flag spam on the server Install and configure Cyrus IMAP Enable POP3 and IMAP over SSL Install and configure the SquirrelMail web email client

Appendix 1 Using NIS NIS History, Overview, and Limitations
	NIS Advantages and Implementation Creating a NIS Master Server NIS Client Configuration Slave Server Configuration Troubleshooting Aids Lab Appendix 1 - NIS Configure a NIS master server, client, and slave server Enable ypxfrd for high-performance database transfers between master and slave NIS servers Configure a NIS client system Observe client usage of a NIS slave server when a NIS master server fails