Re: Blocking ping scan

2022-06-18 Thread Kapetanakis Giannis
On 18/06/2022 12:15, Cristian Danila wrote: Good day! Does anyone know if OpenBSD(7.1) has the capability to be hidden against a pingscan(nmap -sn xxx.xxx.xxx.xxx)? In PF I have only 2 rules to block everything: block in quick all block out quick all This is a fresh OpenBSD7.1 with no other conf

Re: Blocking ping scan

2022-06-18 Thread Cristian Danila
Many thanks for the explanation. I really appreciate your answer and you gave to me a start point to research more on this subject. I will try to find some books in hope to expand my knowledge on this are. Kind regards, Cristian On Sat, Jun 18, 2022 at 12:42 PM Janne Johansson wrote: > > Den lör

Re: Blocking ping scan

2022-06-18 Thread Stuart Henderson
On 2022-06-18, Janne Johansson wrote: > Den lör 18 juni 2022 kl 11:17 skrev Cristian Danila : >> 09:51:40.913795 arp reply 192.168.121.131 is-at 00:0c:29:c3:d9:a7 > > arp is done "outside" of pf, that is why you see the arp exchange. > nmap lists this as "I know things about the hosts" and while i

Re: Blocking ping scan

2022-06-18 Thread Janne Johansson
Den lör 18 juni 2022 kl 11:17 skrev Cristian Danila : > Good day! Does anyone know if OpenBSD(7.1) has the capability to be hidden > against a pingscan(nmap -sn xxx.xxx.xxx.xxx)? > In PF I have only 2 rules to block everything: > block in quick all > block out quick all > > This is a fresh OpenBSD7

Blocking ping scan

2022-06-18 Thread Cristian Danila
Good day! Does anyone know if OpenBSD(7.1) has the capability to be hidden against a pingscan(nmap -sn xxx.xxx.xxx.xxx)? In PF I have only 2 rules to block everything: block in quick all block out quick all This is a fresh OpenBSD7.1 with no other configuration in place. The only thing set is the