ipv4 security

[mishrarishabh308]

hello,

can anyone help me out how can we make ipv4 network more secure and what measures should i take.?

[nspasov]

Your question is not specific and can be open to interpretation and can cover a very wide areas of topics :) Perhaps you can narrow it down a bit with some specific requirements/problems that you are encountering. 

For instance, here is a good link on hardening Cisco routers:

http://www.cisco.com/c/en/us/support/docs/ip/access-lists/13608-21.html

Thank you for rating helpful posts!