Firewalling

Failed to establish VPN through PIX

René Jorissen on October 17, 2008 5 Comments • Tags: #1723 #305006 #47 #asa #creation #failed #firewall #for #gre #pix #pptp #protocol #regular #stateful #translation #vpn

We migrated our Internet connection lately and reconfigured our PIX firewall. We added some memory to install the latest firmware version (8.0(4)). After putting the PIX firewall in production some of the employees were complaining they couldn’t establish any PPTP VPN Tunnels anymore to customers. Every time when some one called me, I tried it … Read More

Configuration Example, Firewalling

PIX / ASA – Threat Detection

René Jorissen on June 19, 2008 0 Comments • Tags: #80 #asa #basic #detection #intrusion #pix #prevention #scanning #threat

From software release 8.0 and later the Cisco PIX and Cisco ASA firewalls support the feature called Threat Detection. In the default configuration Basic Threat Detection is enabled on the security appliance. Using Threat Detection the appliance monitors the rate of dropped packets and security events due to these reasons (Source): Denial by access lists; … Read More

Configuration Example, Firewalling

PIX Failover not working

René Jorissen on June 18, 2008 0 Comments • Tags: #error #failover #normal #not #pix #waiting #working

Today I received the question why a PIX failover configuration wasn’t working. The customer accidentally disconnected the power cable from the primary PIX firewall. The secondary PIX firewall became the active one, but multiple DMZ segments weren’t working anymore. After rebooting the PIX firewall and making that the primary one again, the DMZ segments were … Read More