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Forum Discussion
Timtech
Apr 06, 2025Apprentice
v7.2.7.15 Firmware on RBR 850. Can someone run GRC.com Shields Up
Can you please run Grc.com’s shields up and let me know if you can get full stealth? https://www.grc.com/x/ne.dll?bh0bkyd2 This is the best I can get. I am running Armor. Is that caus...
Timtech
Jan 23, 2026Apprentice
It basically is all green (full stealth) and it says it passed. This is on the 850s with firmware 7.2.8.5_5.1.21
- FURRYe38Jan 23, 2026Guru - Experienced User
Good to hear then. Seems like my passing and pressing on this with NG may have had some results.
Protection engine was intro'd on BE systems at one point. Saw similar issues with bad testing results. Finally they have been working on changing the test results behaviors.
I tested my 960 series last month on my 960 series with this same version of FW which resulted in this:
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GRC Port Authority Report created on UTC: 2025-12-06 at 21:53:00
Results from scan of ports: 0-1055
2 Ports Open
72 Ports Closed
982 Ports Stealth
---------------------
1056 Ports Tested Ports found to be OPEN were:
80, 443
Ports found to be CLOSED were:
34, 35, 36, 37, 38, 39, 64, 94, 95, 149, 150, 151, 182, 183, 184, 242, 243, 244, 269, 270, 271, 332, 333, 334, 359, 360, 361, 418, 419, 420, 448, 478, 479, 508, 509, 510, 569, 570, 571, 597, 598, 599, 655, 656, 657, 683, 684, 685, 742, 743, 744, 770, 771, 772, 832, 833, 834, 892, 893, 894, 953, 954, 955, 985, 986, 987, 1027, 1028, 1029, 1043, 1044, 1045
Other than what is listed above, all ports are STEALTH.
TruStealth: FAILED
- NOT all tested ports were STEALTH,
- NO unsolicited packets were received,
- NO Ping reply (ICMP Echo) was received.
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You don't happend to see anything regarding Protection Engine on the routers web page under Advanced Tab/Left window information box? Or maybe something under Advanced Tab/Security?
You may see Guster on the RBRs debug page?
Makes me wonder if NG is doing something behind the scenes to make changes on this...