Administrating TCP/IP
TCP/IP Protocol Suite
IPV4 & IPV6
IPV4 Network Addressing
Address classes & Netmasks
IPV6 Addressing

Network Configuration
Configuring the network interfaces
Controlling network devices and interfaces
Using DHCP to assign interface parameters
Routing IP traffic under Linux
Network bonding
Essential network diagnosis tools : tcpdump, netstat etc.

Network Services
Ports and Socket connections
The xinetd daemon operation
Controlling xinetd services and access
Controlling services using chkconfig/system-config-services
Limiting using TCP wrappers
Configuring the FTP service
Configuring the DHCP service
Logging and troubleshooting services

The Domain Name System
The DNS/BIND system under Red Hat Linux
The Name Server hierarchy
Master/Slave/Reverse zones
Record types and their syntax
Name Daemon control utility (rndc)
The chroot environment
BIND checking utilities

The Network File System (NFS)
NFS operation : daemons, portmapper etc.
Configuring an NFS server
NFS share options : /etc/exports
NFS client operation
Tuning NFS
Using the automounter to access NFS mounts
Using rsync to synchronise data between machines

Samba Configuration
The Samba system.
Samba Daemons and operation.
Configuring Samba : various tools available
Samba authentication methods
Samba client tools
Using smbmount to access Windows shares

HTTP services : Apache and Squid
The Apache web server
Apache Server configuration files
Virtual host management : name and IP based access
Apache Encrypted Web server
The squid web proxy cache
Configuring squid
Configuring client access to squid.

Network Integration Service (NIS)
The NIS System : centralised administration
NIS Topology
Master, Slave and client configuration
Rebuilding NIS Maps
Password management under NIS
Troubleshooting your NIS configuration

Electronic Mail
Sendmail/Procmail and Postfix
Mail User, Mail Transport and Mail User Agents
Sendmail configuration with the m4 Macro language
Switching to postfix, a sendmail replacement.
Postfix configuration.
Procmail configuration
POP and IMAP

Security and Authentication Services
System and user security policies
Authentication services : PAM
PAM operation
The core PAM configuration files
Configuring resource limits & access control through PAM
The SELinux system
Authentication troubleshooting

Securing Networks: Firewalls
Netfilter overview
Packet filtering using iptables
Basic chain rules and their operation
Connection tracking
Network address translation
Source and Destination NAT configuration
RedHat supplied tools for iptables configuration

Data Security
Encryption methods
Public/private key encryption (asymmetric)
Certificate encryption and digital signatures
OpenSSH Overview
Client and server side configuration of OpenSSH
Kerberos security
Configuring for Kerberos

Internet Protocol Security
IPSec Protocols and Modes
IPSec tools
IPSec and Iptables
Virtual Private Networks
Configuring VPN Under RedHat