Man page - west-chamber(8)

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Package: west-chamber-common
apt-get install west-chamber-common

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West-chamber — xtables extensions for eluding network intrusion detection.

The CUI target sends obfuscating packets upon incoming SYN to make the connection invisible to third-party intrusion detection.

Unconditionally and statelessly encapsulate transport layer packets in UDP packets and decapsulate UDP packets.
--decap protocol

Decapsulate to this protocol (number).

--sport port

Encapsulate with the source port (number).

--dport port

Encapsulate with the destination port (number).

The ZHANG target sends obfuscating packets upon incoming SYN/ACK to make the connection invisible to third-party intrusion detection.

The gfw match allows to match on gfw packet fingerprints.