https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/how-to-block-selfish-net-net-cut-software-attack-users/m-p/8957#M538 How to Block(Selfish Net, Net cut) software attack users?<BR /> <BR /> Lot of users using like<B> selfish net, netcut</B> application block all users bandwidth. <BR /> <BR /> how to disable the users and how to rectify the issue.<BR /> <BR /> Kindly refer the image.<BR /> <BR /> <BR /> <P class="fancybox-image"><span class="lia-inline-image-display-wrapper" image-alt="a0b6742dab6d48079024d3b2e63e8fb5_RackMultipart20181005-79448-1nt4mco-Selfishnet_inline.jpg"><img src="https://community.extremenetworks.com/t5/image/serverpage/image-id/3700i65BF40F3B5EC6ACD/image-size/large?v=v2&amp;px=999" role="button" title="a0b6742dab6d48079024d3b2e63e8fb5_RackMultipart20181005-79448-1nt4mco-Selfishnet_inline.jpg" alt="a0b6742dab6d48079024d3b2e63e8fb5_RackMultipart20181005-79448-1nt4mco-Selfishnet_inline.jpg" /></span></P><BR /> Fri, 05 Oct 2018 18:09:00 GMT Prasanna_A 2018-10-05T18:09:00Z https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/how-to-block-selfish-net-net-cut-software-attack-users/m-p/8957#M538 How to Block(Selfish Net, Net cut) software attack users?<BR /> <BR /> Lot of users using like<B> selfish net, netcut</B> application block all users bandwidth. <BR /> <BR /> how to disable the users and how to rectify the issue.<BR /> <BR /> Kindly refer the image.<BR /> <BR /> <BR /> <P class="fancybox-image"><span class="lia-inline-image-display-wrapper" image-alt="a0b6742dab6d48079024d3b2e63e8fb5_RackMultipart20181005-79448-1nt4mco-Selfishnet_inline.jpg"><img src="https://community.extremenetworks.com/t5/image/serverpage/image-id/3700i65BF40F3B5EC6ACD/image-size/large?v=v2&amp;px=999" role="button" title="a0b6742dab6d48079024d3b2e63e8fb5_RackMultipart20181005-79448-1nt4mco-Selfishnet_inline.jpg" alt="a0b6742dab6d48079024d3b2e63e8fb5_RackMultipart20181005-79448-1nt4mco-Selfishnet_inline.jpg" /></span></P><BR /> Fri, 05 Oct 2018 18:09:00 GMT https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/how-to-block-selfish-net-net-cut-software-attack-users/m-p/8957#M538 Prasanna_A 2018-10-05T18:09:00Z https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/how-to-block-selfish-net-net-cut-software-attack-users/m-p/8958#M539 Hi Prasanna,<BR /> <BR /> It looks like Selfish Net uses ARP poisoning to achieve its intended function. Check out this article to see if that'll work for you:<BR /> <BR /> <A href="https://gtacknowledge.extremenetworks.com/articles/How_To/How-to-prevent-ARP-Poisoning" target="_blank" rel="nofollow noreferrer noopener">https://gtacknowledge.extremenetworks.com/articles/How_To/How-to-prevent-ARP-Poisoning</A><BR /> <BR /> Thanks<BR /> Brad<BR /> <BR /> Fri, 05 Oct 2018 18:25:00 GMT https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/how-to-block-selfish-net-net-cut-software-attack-users/m-p/8958#M539 BradP 2018-10-05T18:25:00Z https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/how-to-block-selfish-net-net-cut-software-attack-users/m-p/8959#M540 I have tried to this command (using Access point), but is Switch port is Blocked, I want block user MAC address.<BR /> <BR /> Thanks,<BR /> Prasanna Fri, 03 May 2019 12:45:00 GMT https://community.extremenetworks.com/t5/extremeswitching-vsp-fabric/how-to-block-selfish-net-net-cut-software-attack-users/m-p/8959#M540 prasanna_annadu 2019-05-03T12:45:00Z