KMyFirewallGenericInterfaceIcmp KMyFirewallGenericInterfaceIcmp 0 0 564 366 ICMP unnamed 2 2 spacer3 Vertical Preferred 20 80 GroupBox2_2 ICMP Options unnamed 11 6 spacer4 Horizontal Preferred 401 20 TextLabel3_2_2_2 <p><b>By limiting the ping requests you allow past your firewall, you can avoid DoS (Denial of Service) attacks.</b><br> Those attacks are based on the fact that every computer can only handle a limited number of open connections. A DoS attack is mostly performed by a lot of hosts connecting to the victim host until it gives up.</p> WordBreak|AlignVCenter|AlignLeft c_limit_ping Limit replies true c_allow_ping 0 0 0 0 Reply to echo-requests true spacer5 Horizontal Preferred 381 20 TextLabel2_3_2_2 <p>The so-called <b>Ping</b> is an ICMP packet that is sent to a host to check if it's running or not.<br> If you disable "Reply to echo-request", your computer will be invisible for most of the common programs used to hack/crack hosts on the Internet.<br> However, there are a lot of network programs that use ping requests to find and check the connections to their client/server host.</p> RichText WordBreak|AlignVCenter|AlignLeft c_allow_ping toggled(bool) c_limit_ping setEnabled(bool) c_allow_ping toggled(bool) TextLabel3_2_2_2 setEnabled(bool)