TCP SYN-ACK-ACK Proxy

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About the rule

Rule Type

Standard

Rule Description

Detects TCP session proxy behavior where the firewall terminates the client-side connection and initiates a new connection to the server, completing a second TCP handshake.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "DETECTION_ACTION_JUNIPER_TCP_SYN_ACK_ACK_PROXY" select Action1.HOSTNAME,Action1.IDS_NAME,Action1.SOURCE_IP,Action1.DEST_IP,Action1.SOURCE,Action1.TYPESOURCE,Action1.TYPE,Action1.ACTION,Action1.MESSAGE

Detection

Execution Mode

realtime

Log Sources

Juniper