Blog Archives

CBAC – Make the Cisco router stateful

CBAC is a simple way to turn a Cisco-router from being a stupid packet-filter into an stateful firewall with protocol inspection. The following example explains how to configure CBAC to allow return-traffic back when an inside web-client http to an

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Posted in Cisco Security

Cisco ACL logging with cookies

The cookie-feature of logging in router access-lists is new for me and I fell in love with it at first sight! I don´t know how often I debug complexe acls trying to find where specific traffic hits. By adding a

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Posted in Cisco Security


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