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Re: regarding firewall discussion




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?

regards
mick


In the usual firewall tool iptables, you can tell it to accept related connections. That is it remembers the host you just sent a request to and will let in new connections from that host on some other port

--
Jeremy

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