Packet Mode and Selective Packet Services

Packet mode enables a SRX firewall to act strictly as a router, forwarding packets from a source to a destination without tracking sessions. This is useful for an engineer in certain situations such as high throughput applications that do not need full firewall functionality, or asymmetric traffic flows. We can also enable this mode on interesting traffic which is called Selective Packet Services. More details on Selective Packet Services is available on the following PDF as well as the rest of this post.

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