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mdg-filius/packages/core/test/scenarios/nat-java-tcpOut.java.json
T
julian.kiedaischandClaude Opus 5.5 7a77bc1b43 feat(core): home router NAT after Java, measured with Java FILIUS 
The core translates before the IP thread, as Java's NAT threads sit
between card and Ethernet: out, the WAN address and the entry's port (ICMP
keeps its identifier); in, by remote end, port and protocol, else by the
port forwarding, which then makes a dynamic entry; a ping at the WAN
address is answered by the router, packets from outside for the LAN are
dropped, both sides pass the router's firewall, TTL 1 going out gets time
exceeded. Dynamic entries expire at Java's check each second, 300 s times
the delay factor old (55 minutes at 90 %), refreshed only by what comes in.
The home router forwards as a router does.

Measured and not taken: when a LAN endpoint sends to a second remote end,
Java gives it the entry's WAN port but no entry, and the answer stays at
the router; the core adds an entry for each new remote end on that port.

The oracle now records every card of a node (the second card of routers
was missing); the ARP and RIP runs are recorded anew and still match.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-30 20:06:04 +00:00

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{
"frames": {
"00000000-0000-0000-0000-000000000501": [
{
"time": 943,
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"targetIp": "192.168.0.1"
},
{
"time": 1063,
"source": "02:00:00:00:05:22",
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"arp": 2,
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},
{
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"sourceIp": "192.168.0.10",
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{
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{
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{
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{
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}
],
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{
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},
{
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{
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},
{
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},
{
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},
{
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},
{
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"source": "02:00:00:00:05:41",
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"sourceIp": "42.0.0.20",
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"acknowledgement": 0
},
{
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{
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},
{
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"sourceIp": "42.0.0.20",
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"protocol": 6,
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"acknowledgement": 0
},
{
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"destination": "02:00:00:00:05:41",
"sourceIp": "42.0.0.10",
"destinationIp": "42.0.0.20",
"protocol": 6,
"sourcePort": 65308,
"destinationPort": 80,
"payload": null,
"tcpFlags": "A",
"sequence": 2000007,
"acknowledgement": 1000013
}
],
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{
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},
{
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},
{
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},
{
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},
{
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},
{
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},
{
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"sourceIp": "42.0.0.20",
"destinationIp": "192.168.0.10",
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"destinationPort": 49413,
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},
{
"time": 2172,
"source": "02:00:00:00:05:11",
"destination": "02:00:00:00:05:22",
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},
{
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},
{
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"sourceIp": "42.0.0.20",
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},
{
"time": 2507,
"source": "02:00:00:00:05:22",
"destination": "02:00:00:00:05:11",
"sourceIp": "42.0.0.20",
"destinationIp": "192.168.0.10",
"protocol": 6,
"sourcePort": 80,
"destinationPort": 49413,
"payload": null,
"tcpFlags": "F",
"sequence": 1000012,
"acknowledgement": 0
},
{
"time": 2618,
"source": "02:00:00:00:05:11",
"destination": "02:00:00:00:05:22",
"sourceIp": "192.168.0.10",
"destinationIp": "42.0.0.20",
"protocol": 6,
"sourcePort": 49413,
"destinationPort": 80,
"payload": null,
"tcpFlags": "A",
"sequence": 2000007,
"acknowledgement": 1000013
}
],
"00000000-0000-0000-0000-000000000504": [
{
"time": 1240,
"source": "02:00:00:00:05:21",
"destination": "FF:FF:FF:FF:FF:FF",
"arp": 1,
"senderIp": "42.0.0.10",
"targetIp": "42.0.0.20"
},
{
"time": 1240,
"source": "02:00:00:00:05:41",
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"arp": 2,
"senderIp": "42.0.0.20",
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},
{
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},
{
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"source": "02:00:00:00:05:41",
"destination": "02:00:00:00:05:21",
"sourceIp": "42.0.0.20",
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"protocol": 6,
"sourcePort": 80,
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},
{
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"sourceIp": "42.0.0.10",
"destinationIp": "42.0.0.20",
"protocol": 6,
"sourcePort": 65308,
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},
{
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"source": "02:00:00:00:05:21",
"destination": "02:00:00:00:05:41",
"sourceIp": "42.0.0.10",
"destinationIp": "42.0.0.20",
"protocol": 6,
"sourcePort": 65308,
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"payload": "hello",
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},
{
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"destination": "02:00:00:00:05:21",
"sourceIp": "42.0.0.20",
"destinationIp": "42.0.0.10",
"protocol": 6,
"sourcePort": 80,
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"payload": null,
"tcpFlags": "A",
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"acknowledgement": 2000006
},
{
"time": 1949,
"source": "02:00:00:00:05:41",
"destination": "02:00:00:00:05:21",
"sourceIp": "42.0.0.20",
"destinationIp": "42.0.0.10",
"protocol": 6,
"sourcePort": 80,
"destinationPort": 65308,
"payload": "reply hello",
"tcpFlags": "P",
"sequence": 1000001,
"acknowledgement": 0
},
{
"time": 2284,
"source": "02:00:00:00:05:21",
"destination": "02:00:00:00:05:41",
"sourceIp": "42.0.0.10",
"destinationIp": "42.0.0.20",
"protocol": 6,
"sourcePort": 65308,
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"payload": null,
"tcpFlags": "A",
"sequence": 2000006,
"acknowledgement": 1000012
},
{
"time": 2340,
"source": "02:00:00:00:05:21",
"destination": "02:00:00:00:05:41",
"sourceIp": "42.0.0.10",
"destinationIp": "42.0.0.20",
"protocol": 6,
"sourcePort": 65308,
"destinationPort": 80,
"payload": null,
"tcpFlags": "F",
"sequence": 2000006,
"acknowledgement": 0
},
{
"time": 2340,
"source": "02:00:00:00:05:41",
"destination": "02:00:00:00:05:21",
"sourceIp": "42.0.0.20",
"destinationIp": "42.0.0.10",
"protocol": 6,
"sourcePort": 80,
"destinationPort": 65308,
"payload": null,
"tcpFlags": "A",
"sequence": 1000012,
"acknowledgement": 2000007
},
{
"time": 2396,
"source": "02:00:00:00:05:41",
"destination": "02:00:00:00:05:21",
"sourceIp": "42.0.0.20",
"destinationIp": "42.0.0.10",
"protocol": 6,
"sourcePort": 80,
"destinationPort": 65308,
"payload": null,
"tcpFlags": "F",
"sequence": 1000012,
"acknowledgement": 0
},
{
"time": 2730,
"source": "02:00:00:00:05:21",
"destination": "02:00:00:00:05:41",
"sourceIp": "42.0.0.10",
"destinationIp": "42.0.0.20",
"protocol": 6,
"sourcePort": 65308,
"destinationPort": 80,
"payload": null,
"tcpFlags": "A",
"sequence": 2000007,
"acknowledgement": 1000013
}
],
"00000000-0000-0000-0000-000000000505": [
{
"time": 1240,
"source": "02:00:00:00:05:21",
"destination": "FF:FF:FF:FF:FF:FF",
"arp": 1,
"senderIp": "42.0.0.10",
"targetIp": "42.0.0.20"
}
]
},
"events": [
[
725,
"server oeffnen called"
],
[
925,
"client verbinden called"
],
[
1726,
"client verbinden returned "
],
[
1726,
"client senden called"
],
[
1829,
"server oeffnen returned filius.software.transportschicht.TCPSocket@678eb1ba"
],
[
1829,
"server empfangen called"
],
[
1894,
"server empfangen returned hello"
],
[
1894,
"server senden called"
],
[
2061,
"client senden returned "
],
[
2061,
"client empfangen called"
],
[
2117,
"client empfangen returned reply hello"
],
[
2117,
"client schliessen called"
],
[
2117,
"client schliessen returned "
],
[
2284,
"server senden returned "
]
],
"nat": [
"6 42.0.0.20:65308 -> 192.168.0.10:49413 DynamicEntry"
]
}
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