Literature

1. NETFILTER/iptables, available on Internet address
http://www.netfilter.org/projects/iptables/index.html

2. Packet Filtering HOWTO, available on Internet address
http://www.netfilter.org/documentation/HOWTO//packet-filtering-HOWTO.html

3. NAT HOWTO, available on Internet address
http://www.netfilter.org/documentation/HOWTO//NAT-HOWTO.html

4. Ralf Spenneberg, IPsec HOWTO, available on Internet address
http://www.ipsec-howto.org

5. Shrew Soft Inc. , ShrewSoft VPN Client, available on Internet address
http://www.shrew.net/

6. IPsec-tools, available on Internet address
http://ipsec-tools.sourceforge.net/

7. Setkey manual, available on Internet address
http://netbsd.gw.com/cgi-bin/man-cgi?setkey++NetBSD-current

8. Racoon manual, available on Internet address
http://netbsd.gw.com/cgi-bin/man-cgi?racoon++NetBSD-current

9. Racoon.conf manual, available on Internet address
http://netbsd.gw.com/cgi-bin/man-cgi?racoon.conf+5+NetBSD-current

10. Racoonctl manual, available on Internet address
http://netbsd.gw.com/cgi-bin/man-cgi?racoonctl++NetBSD-current

11. Ana Kukec, OpenSSL certifikati, available on Internet address
http://anchie.esa.fer.hr/My_Documents/Dokumenti/OpenSSL-certifikati.pdf