From: Matteo Croce <[email protected]> Date: Mon, 6 Jul 2015 21:44:06 +0200
> 2015-07-06 12:49 GMT+02:00 <[email protected]>: >> On Thu, 02 Jul 2015 10:56:01 +0200, Matteo Croce said: >>> Add option to disable any reply not related to a listening socket, >>> like RST/ACK for TCP and ICMP Port-Unreachable for UDP. >>> Also disables ICMP replies to echo request and timestamp. >>> The stealth mode can be enabled selectively for a single interface. >> >> A few notes..... >> >> 1) Do you have an actual use case where an iptables '-j DROP' isn't usable? > > If you mean using a default DROP policy and allowing only the traffic > do you want, > then the use case is where the port can change at runtime and you may not want > to update the firewall every time Dynamically updated firewalls are "a thing" and quite effective for solving problems like this one. With nftables such updates are even extremely efficient. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
