Monitoring
With
these tools, you’ll get constant monitoring of
your security.
-
Nessus:
Use this free scanner to stay on top of your
vulnerabilities.
-
Nagios:
This host and network monitoring tool will
let administrators handle outages before
clients and users are affected.
-
AWStats:
Use AWStats to get a look at attacks on your
server.
-
Honeytrap:
With this tool, you’ll get advanced warning
about attacks.
-
The Multi
Router Traffic Grapher:
Use this tool to monitor your SNMP network
devices.
-
Snort:
Snort is an incredibly effective intrusion
detection system.
-
BASE:
This tool works well with Snort to make your
intrusion detection data more easy to
understand.
-
Internet Secure
Access Kit:
This suite will help you restrict and
monitor access on your network.
-
Afick:
Afick will help you stay on top of changes
to your system.
-
Network
Security Analysis Tool:
Use this tool to scan your network for
vulnerabilities.
-
Nagios:
This program will monitor your enterprise
network services, environmental factors,
host resources, and point out potential
vulnerabilities.
-
JbroFuzz:
With this tool, you can test the integrity
of your network.
-
Yet Another
Security Monitoring Interface:
This web based application will help you
take a look at the data flow in your router.
-
ettercap:
Ettercap will monitor your LAN, staying on
top of content, live connections, and other
potential attacks.
-
Metasploit:
Often used by hackers, you can test your
system with this tool.
-
SNARE:
Make use of this tool that collects and
analyzes your event log data.
-
Nikto:
Nikto will scan your web servers for
problems and dangerous files.
Email & Spam
Use
these tools to keep your email secure.
-
Spam Assassin:
This anti-spam tool will help you keep your
email neat and clean.
-
Tiger Envelopes:
This email encryption tool works with a
variety of programs, including Thunderbird
and Outlook.
-
Anti-Spam SMTP
Proxy Server:
Use this application to filter out spam and
viruses.
-
Spamato:
With this client-side spam filter, you can
keep the junk out of your Outlook,
Thunderbird, and other popular email
clients.
-
phPOP3clean:
Use this scanner to look for worms, spam,
blacklisted words, as well as blacklisted
domains.
-
Thunderbird:
This open source email program has a variety
of tools for keeping spam and viruses at
bay.
-
Mailsaurus:
This email client will encrypt all of your
data so that no one can read your email.
-
MailCleaner:
With this filtering application, you can
keep the spam and viruses out.
-
Web Stat:
Want to know how much spam you’re blocking?
Use this tool that will display your level
of blocked spam graphically.
Anti-Virus
With
these tools, you can protect your computer and
network from viruses.
-
FullControl:
This software will stay on top of all the
programs running on your computer and verify
their integrity.
-
ClamAV:
Make use of this excellent antivirus tool to
keep your machine free of viruses.
-
ClamWin:
If you want to take advantage of ClamAV on
your Windows machine, make use of this tool.
-
Moon Secure
Antivirus:
This antivirus scanner also features a
firewall.
-
Winpooch
Watchdog:
Winpooch will stay on top of spyware,
trojans, and viruses.
-
Softlabs
AntiVirus:
Using this antivirus tool, you can scan your
email for phishing and viruses.
Firewall
Use
these firewall tools to keep unwanted intruders
and items out of your system.
-
SELinux:
Using SELinux, you can set mandatory access
control features for Linux.
-
m0n0Wall:
This tool offers both firewall and VPN.
-
ShellTer:
ShellTer offers a firewall with SSH
protection.
-
Endian Firewall
Community:
Use this tool to turn an old PC into an
appliance that provides a variety of
security functions.
-
FirewallPAPI:
This system will stay on top of your network
traffic.
-
SmoothWall
Express:
Use SmoothWall to turn a PC into a firewall
appliance for your network.
-
WIPFW:
Use this tool to monitor and filter packets
entering your network.
-
Fail2Ban:
Fail2Ban will stay on top of log files and
look for failure prone IPs, which will be
blacklisted.
-
Vyatta:
Turn to Vyatta to get an enterprise class
firewall for free.
-
ISP-FW:
With this server side firewall application,
you can get packet filtering and monitoring.
-
Firewall
Builder:
This tool will make it easy to establish
rules for your firewall.
-
AppArmor:
Create policy-based profiles to control
access to applications with AppArmor.
-
Firestarter:
Make use of this firewall if you want to get
your firewall security up and running in a
hurry.
-
Linux Embedded
Appliance Firewall:
This firewall tool will help you shore up
your security.
-
IPCop:
With this tool, you can turn any PC into a
firewall appliance to get your network
secure.
Files & Data
Keep
your files, data, and transfers secure with
these tools.
-
Darik’s Boot
and Nuke:
If you want to wipe out a hard drive, just
boot up with a disk containing this tool.
-
Packet
Generator:
Use this tool to optimize the routing
schematics for your network.
-
Paros:
Paros intercepts data, offering a way to
evaluate web application security.
-
Cyberduck:
With this tool, you can transfer files to
remote computers and networks.
-
WinSCP:
Use this SFTP and FTP client for secure file
transfes.
-
Eraser:
This tool will eliminate files by
overwriting them several times, so that they
can’t be read using digital forensic tools.
Encryption & Cryptography
Make
use of these encryption and cryptography tools
to stay secure.
-
KeyCzar:
Use this toolkit to make cryptography easier
to use in applications.
-
Cameloid:
Keep your voice connections safe with this
encryption tool.
-
GNU Privacy
Guard:
This encryption tool uses a number of
different encryption algorythms.
-
TrueCrypt:
Use TrueCrypt to encrypt a partition or
drive, or create a virtual encrypted disk
within a file.
-
Cryptonit:
Secure your files and address books with
this encryption tool.
-
Checkpoint
Commander:
This tool will both encrypt and completely
erase your files.
-
AxCrypt:
AxCrypt is a simple encryption tool that
will allow you to encrypt files with just a
few clicks.
-
Magikfs:
You can hide your files using this tool with
a steganographic filesystem.
-
FreeOTFE:
This tool will create secure virtual drives
on your PC.
-
Cryptology:
Cryptology offers encyption that integrates
into Windows Explorer right-click menus.
Passwords
With
these tools, you can keep your passwords handy
and secure.
-
KeePass:
Use this password safe to keep all of your
passwords safe and encrypted.
-
CiphSafe:
This tool will encrypt your usernames and
passwords for popular Internet websites.
-
Password Safe:
Password Safe will help you create strong
passwords and can store multiple password
databases.
-
Keep It Secret!
Keep It Safe!:
With this tool, you can store your important
usernames and passwords in an encrypted
file.
Remote Access
Use
these tools for secure remote access.
-
OpenSSH:
With this tool, you can safely operate a
remote host.
-
Stunnel:
Stunnel will encrypt your TCP connections
inside SSL connections.
-
OpenVPN:
Get safe VPN access using this tool.
-
SSL-Explorer:
This web-based VPN server will allow you to
use a standard browser.
-
Open SSL:
This tool uses Transport Layer Security and
Secure Socets Layer protocols to keep you
safe.
-
strongSwan:
strongSwan offers an IPsec-based VPN tool
for Linux.
-
PuTTy:
Get remote access with this telnet/SSH
client.
-
UltraVNC:
Use this tool to get safe and secure remote
access.
Networking
These
tools will help you operate a more secure
network.
-
Nmap:
Nmap will help you stay informed of all of
the hardware that is connected to your
network.
-
Wireshark:
Using Wireshark, you can take a look at all
of the traffic that passes over your
Ethernet network.
-
Bro:
Bro offers network intrusion detection that
will passively monitor your network traffic
for anomalous traffic behavior.
-
Network
Simulator and Network Animator:
With this tool, you can test your network
flow to prevent bottlenecks and promote
better routing.
-
OCS Inventory
NG:
This tool will provide you with a list of
hardware and software on your network.
-
Netcat:
Netcat is a simple utility that will help
you read and write data across UDP or TCP
network connections.
-
Angry IP
Scanner:
This tool will scan IP adresses and ports on
your network.
-
Ossec HIDS:
With this intrusion detection system, you’ll
find out when your network is being
attacked.
-
TcpDump:
If you’re looking for a light, secure packet
sniffer, check out this tool.
-
The Network
Visualizer:
Get graphic information on your network
activity using this tool.
Miscellaneous
Check
out these tools for even more open source
security applications.
-
Tripwire:
Find out when changes are made to your
system by using this tool.
-
Firefox:
A very popular web browser, Firefox offers a
variety of secure options and add ons.
-
The Sleuth Kit:
With this kit, you can recover deleted
files.
-
JAP:
This tool will allow you to browse the
Internet anonymously.
-
iSAK:
Using this tool, you can filter out specific
types of websites.
-
Advisory Check:
This tool will read RSS and XML security
feeds to monitor the security of the
software you’re using.
-
Babel:
Babel will let you know about all of the
security flaws that you have in your system.
