Protecting your Juniper router from PSN-2010-01-623 using firewall filters
Last Thursday Juniper Networks released advisory PSN-2010-01-623 urging Network administrator running JUNOS versions older then one year to upgrade. The advisory states that by sending ‘malformed’ tcp options will cause JunOS to crash. The advisory does not mention which tcp options will cause this behavior. So last Friday and Saturday I spend a few hours to trying to generate TCP packets with different kind of … Read more