It's a good start. It attempts to prevent spoofed traffic originating from your network to leave your network (or BCP38).
On Fri, Oct 21, 2016 at 1:19 PM, Josh Luthman <j...@imaginenetworksllc.com> wrote: > It can't be that simple...can it? > > > Josh Luthman > Office: 937-552-2340 > Direct: 937-552-2343 > 1100 Wayne St > Suite 1337 > Troy, OH 45373 > > On Fri, Oct 21, 2016 at 1:17 PM, Mike Hammett <af...@ics-il.net> wrote: > >> /ip firewall address-list >> add list="Public-IPs" address=x.x.x.x/yy disabled=no comment="My IPs" >> add list="Public-IPs" address=x.x.x.x/yy disabled=no comment="Downstream >> customer X IPs" >> >> /ip firewall filter >> add action=drop chain=forward comment="Drop spoofed traffic" disabled=no >> out-interface="To-Upstream" dst-address-list=!"Public-IPs" >> >> That was largely composed off of the top of my head and typed on my >> phone, so it may not be completely accurate. >> >> >> You should also do it on customer-facing ports not allowing anything to >> come in, but that would be best approached once Mikrotik and the per >> interface setting for unicast reverse path filtering. You would then said >> customer facing interfaces to strict and all other interfaces to loose. >> They accepted the feature request, just haven't implemented it yet. >> >> >> >> ----- >> Mike Hammett >> Intelligent Computing Solutions <http://www.ics-il.com/> >> <https://www.facebook.com/ICSIL> >> <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> >> <https://www.linkedin.com/company/intelligent-computing-solutions> >> <https://twitter.com/ICSIL> >> Midwest Internet Exchange <http://www.midwest-ix.com/> >> <https://www.facebook.com/mdwestix> >> <https://www.linkedin.com/company/midwest-internet-exchange> >> <https://twitter.com/mdwestix> >> The Brothers WISP <http://www.thebrotherswisp.com/> >> <https://www.facebook.com/thebrotherswisp> >> >> >> <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> >> ------------------------------ >> *From: *"Mike Hammett" <af...@ics-il.net> >> *To: *af@afmug.com >> *Sent: *Friday, October 21, 2016 11:21:35 AM >> *Subject: *[AFMUG] Another large DDoS, Stop Being a Dick >> >> There's another large DDoS going on now. Go to this page to see if you >> can be used for UDP amplification (or other spoofing) attacks: >> >> https://www.caida.org/projects/spoofer/ >> >> Go to these pages for more longer term bad behavior monitoring: >> >> https://www.shadowserver.org/wiki/ >> https://radar.qrator.net/ >> >> >> Maybe we need to start a database of ASNs WISPs are using and start >> naming and shaming them when they have bad actors on their network. This is >> serious, people. Take it seriously. >> >> >> >> ----- >> Mike Hammett >> Intelligent Computing Solutions <http://www.ics-il.com/> >> <https://www.facebook.com/ICSIL> >> <https://plus.google.com/+IntelligentComputingSolutionsDeKalb> >> <https://www.linkedin.com/company/intelligent-computing-solutions> >> <https://twitter.com/ICSIL> >> Midwest Internet Exchange <http://www.midwest-ix.com/> >> <https://www.facebook.com/mdwestix> >> <https://www.linkedin.com/company/midwest-internet-exchange> >> <https://twitter.com/mdwestix> >> The Brothers WISP <http://www.thebrotherswisp.com/> >> <https://www.facebook.com/thebrotherswisp> >> >> >> <https://www.youtube.com/channel/UCXSdfxQv7SpoRQYNyLwntZg> >> >> >> >
