Deny ICMP Ping on Outside Dialer Interface for a Cisco Router I am a firm believer of “if you don’t need it, turn it off”, icmp ping is no exception. Doing such reduces the surface area of attack, as most port scanners initially ping the target to see if there is a replying host at… Read more »
How to block telnet and SSH on outside interface on Cisco routers
How to block telnet and SSH on outside interface on Cisco routers By default, a lot of Cisco routers allow Telnet and SSH on the outside interface, this can cause a large security risk of being brute force attacked. Ideally Telnet should be blocked completely as it is an unsecure protocol and SSH should only… Read more »
Remove Protection Against Accidental Organizational Unit Deletion
Open “Active Directory Users and Computers” Click “View” and then click “Advanced Features” Right click the OU and click “Properties” In the OU properties, Click on the “Security” tab and then click “Advanced” In “Permission Entries”, select the “Deny” entry for “Everyone” group, and click “Remove” Click “OK” to the close the “Advanced Security Settings”,… Read more »
