1
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{"nftables": [{"metainfo": {"version": "VERSION", "release_name": "RELEASE_NAME", "json_schema_version": 1}}, {"table": {"family": "inet", "name": "filter", "handle": 1}}, {"ct helper": {"family": "inet", "name": "sip-5060u", "table": "filter", "handle": 2, "type": "sip", "protocol": "udp", "l3proto": "ip"}}, {"ct helper": {"family": "inet", "name": "sip-5060t", "table": "filter", "handle": 3, "type": "sip", "protocol": "tcp", "l3proto": "ip"}}, {"chain": {"family": "inet", "table": "filter", "name": "input", "handle": 1, "type": "filter", "hook": "input", "prio": 0, "policy": "accept"}}, {"rule": {"family": "inet", "table": "filter", "chain": "input", "handle": 5, "expr": [{"ct helper": {"map": {"key": {"concat": [{"payload": {"protocol": "ip", "field": "protocol"}}, {"payload": {"protocol": "th", "field": "dport"}}]}, "data": {"set": [[{"concat": ["udp", {"range": [10000, 20000]}]}, "sip-5060u"], [{"concat": ["tcp", {"range": [10000, 20000]}]}, "sip-5060t"]]}}}}]}}]}
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