Re: regarding firewall discussion

2022-06-03 Thread Richard Hector
On 2/06/22 05:26, Joe wrote: On Tue, 31 May 2022 03:17:52 +0100 mick crane wrote: regarding firewall discussion I'm uncertain how firewalls are supposed to work. I think the idea is that nothing is accepted unless it is in response to a request. What's to stop some spurious instructions being

Re: regarding firewall discussion

2022-06-01 Thread mick crane
On 2022-06-01 18:26, Joe wrote: On Tue, 31 May 2022 03:17:52 +0100 mick crane wrote: regarding firewall discussion I'm uncertain how firewalls are supposed to work. I think the idea is that nothing is accepted unless it is in response to a request. What's to stop some spurious instructions

Re: regarding firewall discussion

2022-06-01 Thread Joe
On Wed, 1 Jun 2022 15:02:10 -0400 rhkra...@gmail.com wrote: > > mick crane wrote: > > > regarding firewall discussion I'm uncertain how firewalls are > > > supposed to work. > > > I think the idea is that nothing is accepted unless it is in > > > r

Re: regarding firewall discussion

2022-06-01 Thread rhkramer
> mick crane wrote: > > regarding firewall discussion I'm uncertain how firewalls are > > supposed to work. > > I think the idea is that nothing is accepted unless it is in response > > to a request. > > What's to stop some spurious instructions being sent i

Re: regarding firewall discussion

2022-06-01 Thread Joe
On Tue, 31 May 2022 03:17:52 +0100 mick crane wrote: > regarding firewall discussion I'm uncertain how firewalls are > supposed to work. > I think the idea is that nothing is accepted unless it is in response > to a request. > What's to stop some spurious instructions being s

Re: regarding firewall discussion

2022-06-01 Thread mick crane
On 2022-05-31 12:21, IL Ka wrote: What's to stop some spurious instructions being sent in response to genuine request? Packets do not contain instructions, only data. If your TCP/IP implementation doesn't have vulnerabilities any packet shouldn't be a problem. Firewall prevents technically

Re: regarding firewall discussion

2022-05-31 Thread IL Ka
> > > I think the idea is that nothing is accepted it depends on policy (-P): either ACCEPT, REJECT or DROP > unless it is in response to > a request. > You must enable it explicitly, i.e. -A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT > What's to stop some spurious instructions

Re: regarding firewall discussion

2022-05-30 Thread Jeremy Ardley
On 31/5/22 10:17 am, mick crane wrote: regarding firewall discussion I'm uncertain how firewalls are supposed to work. I think the idea is that nothing is accepted unless it is in response to a request. What's to stop some spurious instructions being sent in response to genuine request

Re: regarding firewall discussion

2022-05-30 Thread Emanuel Berg
mick crane wrote: > regarding firewall discussion I'm uncertain how firewalls > are supposed to work. I think the idea is that nothing is > accepted unless it is in response to a request. What's to > stop some spurious instructions being sent in response to > genuine request? Fir

regarding firewall discussion

2022-05-30 Thread mick crane
regarding firewall discussion I'm uncertain how firewalls are supposed to work. I think the idea is that nothing is accepted unless it is in response to a request. What's to stop some spurious instructions being sent in response to genuine request? regards mick