Seculabs eBook - Advanced Policy Firewall in Backtrack

7/29/2019 Seculabs eBook - Advanced Policy Firewall in Backtrack

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SECUGENIUS SECURITY SOLUTIONS

--------------------------------------------------------------------------------------

(A UNIT OF HARKSH TECHNOLOGIES PVT. LTD)

Company Profile:

Secugenius Security Solutions is a Student Entrepreneurial Company started by 2 Social Student

Entrepreneurs in 2010 with an aim to make our country Cyber Crime Free. We at SECUGENIUS

are headquartered at Ludhiana, the Manchester of Punjab. The main activities of Secugenius

Security Solutions are providing training in Information Security and various professional courses.

Secugenius Security Solutions is an organization which believes in inventing and implementing newideas to influence the technological minds of the youngsters

Looking at the number of Cyber Crimes since last many years, We at Secugenius Security

Solutions provides training on Ethical hacking & Cyber Security to students, IT Professionals, Bank

Employees, Police officials.

Secugenius conducts workshops in all parts of the country in various Colleges/institutions for the

benefit of the students & making them aware of the latest trends in technological era of the

Computer age. We believe in spreading knowledge to all the youngsters & growing minds of the

nation so that they could serve the nation with perfect skill-sets in the field of Cyber Crime

Investigation & Forensic Sciences

Secugenius provides various security solutions to its clients by securing their websites from cyber

attacks. We provide training to college students, graduates and professionals in various fields.

Education is delivered to students through two modes i.e. Regular mode and Distance mode which

are available as short term and long term courses.

In the workshops conducted by Secugenius, participants can claim to be trained by the highly

experienced & skilled corporate trainers from different parts of the nation. We believe in making

the base of students to be as strong as possible. All the modules have been designed in order to

provide students with specialized knowledge by specialized trainers.

This library was furnished, managed and funded by the Founders and Directors of Secugenius

Er. Harpreet Khattar & Er. Kshitij Adhlakha. The overall resource person for the content of

the series of this Digital Library is Er. Chetan Soni - Sr. Security Specialist, Secugenius Security

Solutions.

This Online Digital Library has been initiated as a free resource & permanent

resource on specialization basis for every student of Team Secugenius.



Advanced Policy Firewall in Backtrack OS

Product ID No: SG/ODL/13025

Founder & Director: Harpreet Khattar & Kshitij Adhlakha

Resource Person: Chetan Soni

Secugenius Security Solutions

SCO-13A, Model Town Extn, Near Krishna Mandir,

Ludhiana-141002, Punjab – India

[email protected], [email protected]

www.secugenius.com , www.seculabs.in

mailto:[email protected]





http://www.secugenius.com/

http://www.seculabs.in/




http://www.secugenius.com/





What is Advanced Policy Firewall?

Advanced Policy Firewall (APF) is an iptables (netfilter) based firewall systemdesigned around the essential needs of today’s Linux servers.

The configuration is designed to be very informative and easy to follow. Themanagement on a day-to-day basis is conducted from the command linewith the ‘apf’ command, which includes detailed usage information on allthe features.

APF is developed and maintained by R-fx Networks.

The technical side of APF is such that it utilizes the latest stable featuresfrom the iptables (netfilter) project to provide a very robust and powerfulfirewall. The filtering performed by APF is three fold:

1) Static rule based policies (not to be confused with a “static firewall”)

2) Connection based stateful policies

3) Sanity based policies



Step 1 –

Download the advanced policy firewall package from Rfxnetworks website bytyping this command,

root@bt:~# wget http://rfxnetworks.com/downloads/apf-current.tar.gz

Step 2 –

Make a New Directory “apf ” in / root Directory,

Step 3 –

Now Copy the downloaded Package from /root directory to /apf directoryby typing this command,

root@bt:~# cp –rf /root/apf-current.tar.gz /apf/

http://rfxnetworks.com/downloads/apf-current.tar.gz

http://rfxnetworks.com/downloads/apf-current.tar.gz



Step 4 –

Now extract all files from the tar package by typing this command,

root@bt:~# tar – xvzf apf-current.tar.gz

Step 5 –

Now type “cd apf-9.7-2/” to change the directory,



Step 6 –

Run the Install File by typing this command “./install.sh”

You will receive a message saying it has been installedInstalling APF 0.9.5-1: Completed.

Step 7 –

Edit the configuration file of this apf by typing this command,

root@bt:~# vi /etc/apf/conf.apf



Step 8 –

Append this line at the top of the file,USE_DS=”1”

Step 9 –

Now configuring ingress (inbound) and egress (outbond) TCP and UDP Portsas shown below,



Save your file by typing this command - First Press Escape and Type “:wq!”

Step 10 –

Now Starting the firewall by typing this command,

root@bt:~# /usr/local/sbin/apf –s

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Seculabs eBook - Advanced Policy Firewall in Backtrack

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