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Stealth PORTs

jmartina
Level 1
Level 1

Ok...this may not be the best way to firewall, but i somehow did it once and can not remember how to stealth port on a router, i use it as a firewall, it works pretty well actually, but when i did a external port scan on it i had warnings of VISIBLE ports, meaning there blocked but not stealthed....any ideas?

1 Reply 1

Patrick Iseli
Level 7
Level 7

Stealth means that the router does not respond to any packet that is blocked, usually icmp reply's like port unreachable or blocked by firewall ...

Take a look at this documents:

http://www.nsa.gov/snac/downloads_cisco.cfm?MenuID=scg10.3.1

http://www.secwiz.com/Default.aspx?tabid=28

sincerely

Patrick