Basic Troubleshooting

Capture Traffic passing though a Transparent Proxy

The filters to be put into a firewall(ScreenOS here) to capture complete packet flow across a firewall.

set ff src-ip 10.1.1.1 dst-ip 144.32.56.43
set ff src-ip 192.168.1.1 dst-ip 144.32.56.43
set ff src-ip 144.32.56.43 dst-ip 65.124.55.31
set ff src-ip 144.32.56.43 dst-ip 10.1.1.1

Proxy Server Flow

Packet flow for HTTP Traffic

Packet flow for HTTPS Traffic

References

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