@Supreet: The most attacs of the srcds are DoS-Attacks and not dDoS. You are able to filter this with your server. Of course to filter a dDoS on a server is a useless operation. Not everyone has his own botnet or the knowledge to do a dns-/ntp-amplification.
2014-03-26 19:20 GMT+01:00 German Hoeffner <[email protected]>: > > Hello, > > first of all, what exactly are you/we talking about? Are we talking about > exploits in handling the packets in the source engine or actual DDoS > attacks? If we're talking about the second Arbor Networks ( > http://www.arbornetworks.com/) saw the first IPv6 DDoS attacks in 2012 > already - it's just a matter of how much effort the attacker wants to put > into attacking you. Most reflected and amplification attacks should work > with IPv6 as well. If we're talking about actual DDoS attacks (on > IPv4/IPv6) a windows firewall or iptables will most likely not help you. > We've not seen any attacks below 5 Gbit for some time now - easily going up > to 100 Gbit. 5 Gbit+ will probably exceed the port-speed (aka your uplink) > of most servers hosting gameservers. > > Sincerely, > German Hoeffner > > > [image: Ideal-Hosting UG] > *Ideal-Hosting UG (haftungsbeschränkt)* > Haagstraße 9 > 91054 Erlangen > Germany > German Hoeffner > [email protected] > Tel: +49 (0) 9131-9279944-201 > Fax: +49 (0) 9131-9279939 > > Managing director: Ulrich Strunz > Com. Register: Fürth HRB 7196 > EU VAT Nr.: DE282838796 > > On 26.03.2014 16:12, Bruno Garcia wrote: > > Windows Firewall is only good enough to peal a potato. > Iptables is the way to go. > > Although, DDoS attacks can't be prevented, you can null-route all the > packets from the attack, but (if the attack is big enough) it uses up all > your resources to do so, thus causing your servers to malfunction. > > Furthermore, do you know if this is a DDoS attack, or is this some srcds > protocol hack? You need to patch those too with plugins. > > > On Wed, Mar 26, 2014 at 12:07 PM, Andre Müller <[email protected]>wrote: > >> There was someone who started GMOD-Server with ipv6. I don't know if >> this was an evil hack or something with iptables.. >> But, changing to ipv6 doesn't prevent your server against DoS-Attacks. >> There is only one way: Find out the bad packets and filter them with >> iptables/windows-firewall. >> I don't know if the Windows-Firewall can filter packets with specified >> strings. >> >> Greetings >> Andre Müller >> >> >> 2014-03-26 15:20 GMT+01:00 Ariel Pinto <[email protected]>: >> >> Thanks a lot Saint K. ! >>> >>> >>> On Wed, Mar 26, 2014 at 4:13 PM, Saint K. <[email protected]>wrote: >>> >>>> >>>> IPv6 is not yet supported. Furthermore, changing from IPv4 to IPv6 >>>> won't help you anyway in case of the DDoS. >>>> >>>> Saint K. >>>> >>>> Ariel Pinto , 3/26/2014 3:12 PM: >>>> >>>> Hi everyone, >>>> >>>> Is it possible to prevent/reduce DDOS attacks on game servers if I >>>> start to use IPV6 instead of IPV4 ? >>>> >>>> Thanks in advanced! >>>> >>>> >>>> >>>> _______________________________________________ >>>> To unsubscribe, edit your list preferences, or view the list archives, >>>> please visit: >>>> https://list.valvesoftware.com/cgi-bin/mailman/listinfo/hlds >>>> >>>> >>>> _______________________________________________ >>>> To unsubscribe, edit your list preferences, or view the list archives, >>>> please visit: >>>> https://list.valvesoftware.com/cgi-bin/mailman/listinfo/hlds >>>> >>>> >>> >>> _______________________________________________ >>> To unsubscribe, edit your list preferences, or view the list archives, >>> please visit: >>> https://list.valvesoftware.com/cgi-bin/mailman/listinfo/hlds >>> >>> >> >> _______________________________________________ >> To unsubscribe, edit your list preferences, or view the list archives, >> please visit: >> https://list.valvesoftware.com/cgi-bin/mailman/listinfo/hlds >> >> > > > _______________________________________________ > To unsubscribe, edit your list preferences, or view the list archives, please > visit:https://list.valvesoftware.com/cgi-bin/mailman/listinfo/hlds > > > > _______________________________________________ > To unsubscribe, edit your list preferences, or view the list archives, > please visit: > https://list.valvesoftware.com/cgi-bin/mailman/listinfo/hlds > >
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