UNIX security course
description
A hands-on course focusing on security of UNIX systems. Hands on sessions will be with Red Hat Linux
but the course covers all flavours of UNIX and highlights differences.
Who will benefit?
Support personnel.
Technical security staff.
UNIX security course prerequisites
UNIX fundamentals.
Intro to UNIX system administration.
UNIX security course objectives
By the end of the course delegates will be able to:
- Keep up to date with security threats.
- Secure UNIX accounts.
- Secure UNIX file systems.
- Secure UNIX access through the network.
Duration: 3 days
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UNIX security course contents
Security basics
Authentication, privacy, availability, integrity, physical security, personnel security, CERT, vendor mailing
lists, obtaining patches, installing patches.
Monitoring the system
Log files, syslogd, system accounting, other useful tools, obtaining open source tools, how programs are run
(cron, at, startup files).
Account security
The login process, password policies, enforcing strong passwords,
PAMs, checking passwords with password crackers, disabling accounts,
timing out idle users, restricted shells, Role based Access
Mechanisms, sudo vs su, /etc/sudoers, logs, special accounts,
the root user, controlling root access, authentication, one
time passwords, OPIE.
File system security
The standard permissions, other permissions, umask, ownership, tiger, tripwire, the
coroners toolkit, mounting and read only file systems, ACLs, encrypting files.
Network security
Networking basics, inetd, xinetd, tcp wrappers, disabling services, the "r" commands and trust,
secure terminals, RPC, packet filtering, DOS attacks, SSH.
Major service security
Securing DNS, HTTP, sendmail, NFS, Samba and X.
Summary
Difference between UNIX flavours, using UNIX as an IDS, port scanners, references, a checklist.
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