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Unlocking Port and Retrieving Admin Password for Forweb Halny HL-4GMV Modem

Setool 10512 26
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Jak odzyskać hasło administratora do modemu Forweb Halny HL-4GMV i odblokować port do monitoringu?

Nie ma tu podanego sposobu na odzyskanie hasła administratora do Halny; z odpowiedzi wynika, że hotline nie udostępnia takich danych, więc zamiast tego trzeba użyć własnego routera za Halnym, najlepiej w trybie bridge, jeśli da się go włączyć [#19363226] W bridge mode Halny ma wyłączoną funkcjonalność i „znika” z sieci, więc cały ruch obsługuje już Twój router [#19364764] Do zdalnego dostępu do rejestratora lepiej użyć VPN na własnym routerze niż przekierowywać porty; wtedy łączysz się z zewnątrz do sieci lokalnej i używasz lokalnego adresu rejestratora [#19365130] Do takiego układu potrzebny jest publiczny adres IP, a jeśli masz adres prywatny, monitoring z zewnątrz nie będzie dostępny [#19365130] Jako przykład sprzętu padł MikroTik RB951G-2HnD, a jeśli wolisz prostsze rozwiązania, wspomniano też routery z wbudowanym serwerem VPN od TP-Link/Asus lub sprzęt Ubiquiti [#19365345][#19365435]
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  • #1 19363076
    Setool
    Level 7  
    Posts: 22
    Rate: 3
    Hello,
    I have a problem with unblocking the port in the forwebu modem to configure monitoring in the company. Unfortunately, you cannot enter using the standard password. Reset ends with no access to the net and a call to the hotline. Is there any way to get the password to the admin panel?
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  • #2 19363192
    Anonymous
    Level 1  
  • #3 19363204
    Setool
    Level 7  
    Posts: 22
    Rate: 3
    Let me buy a router.
  • #4 19363213
    Anonymous
    Level 1  
  • #5 19363220
    Setool
    Level 7  
    Posts: 22
    Rate: 3
    They don't provide that information. Which is total nonsense.
  • #6 19363226
    Anonymous
    Level 1  
  • #7 19363235
    Setool
    Level 7  
    Posts: 22
    Rate: 3
    Since they do not provide information on this subject, they could at least set it to unlock some port, and not force the customer to make another purchase.
  • #8 19363238
    Anonymous
    Level 1  
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  • #9 19363308
    Setool
    Level 7  
    Posts: 22
    Rate: 3
    Which router is best to buy and put it behind the forweb? This bridge mode are able to enable.
  • #10 19363459
    Anonymous
    Level 1  
  • #11 19363496
    KOCUREK1970
    Network and Internet specialist  
    Posts: 35141
    Help: 3787
    Rate: 5328
    Setool wrote:
    This bridge mode are able to enable.

    You worry about having the best public static IP there!
    Because if you have a variable IP, it's an additional fun either in DDNS or some manufacturer's clouds in China.
    And if you only have a private IP there, then monitoring from the outside will not be available at all.
  • #12 19364753
    Setool
    Level 7  
    Posts: 22
    Rate: 3
    Erbit wrote:
    What internet speed?
    Will there be WiFi? What do you want to connect over WiFi? What area (how many rooms) to cover this WiFi?
    What do you use the internet for?
    A cottage or an apartment in a multi-family building?
    What budget?


    The router is only needed to connect the monitoring directly over the cable. The rest of the devices are plugged into the halny.

    KOCUREK1970 wrote:
    Setool wrote:
    This bridge mode are able to enable.

    You worry about having the best public static IP there!
    Because if you have a variable IP, it's an additional fun either in DDNS or some manufacturer's clouds in China.
    And if you only have a private IP there, then monitoring from the outside will not be available at all.


    If I enter my external IP, a message pops up to enter login details.
  • #13 19364764
    Anonymous
    Level 1  
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  • #14 19364783
    Setool
    Level 7  
    Posts: 22
    Rate: 3
    - What is the rest?
    - Several computers, printers. Speed 100Mbps

    - That is not possible. Halny in bridge mode "will not be visible" at all - it will have all functionality turned off.
    I got this information on the hotline. So I have to choose a router that will replace this Halne for the entire network?

    - You would have to check it from another network (e.g. hostspot shared from the phone).
    - From the Tmobile network from the mobile, you can't enter. From what I can see, you can buy a public address.

    Added after 16 [minutes]:

    I logged into the customer panel and here I have:

    IP address: my (public) MAC address:
    Configuration data:
    Gate mask
    DNS 1 (primary): forweb dns DNS 2 (secondary): forweb dns
    PPPOE login: xxx PPPOE password: xxx


    If I reset this router, am I able to start the forwebu internet from the beginning?
  • #15 19364989
    Anonymous
    Level 1  
  • #16 19365015
    Setool
    Level 7  
    Posts: 22
    Rate: 3
    What do you mean by "unblocking the port ... to set up monitoring in the company"?


    For the monitoring to work, I need to indicate on what port, I don't know, e.g. 8080.
    Unblocked port would be redirected to monitoring after entering the ip and this port.
    At the moment only some port for remote control of modem 22666 is unlocked
  • #17 19365081
    Anonymous
    Level 1  
  • #18 19365092
    Setool
    Level 7  
    Posts: 22
    Rate: 3
    I want to have access to the internal recorder from the mobile application or any browser while outside the company.
  • #19 19365130
    Anonymous
    Level 1  
  • #20 19365176
    Setool
    Level 7  
    Posts: 22
    Rate: 3
    Wifi could be useful if the foehn will be invisible. Until now, the monitoring was connected via a separate Orange network.
    So what router would you recommend for such an operation?
  • #21 19365197
    Anonymous
    Level 1  
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  • #22 19365337
    Setool
    Level 7  
    Posts: 22
    Rate: 3
    10 computers maximum depending on the day, 100 Mb/s, more is impossible in this area at present, wifi on one mobile phone.
  • #23 19365345
    Anonymous
    Level 1  
  • #25 19365379
    Anonymous
    Level 1  
  • #26 19365429
    Setool
    Level 7  
    Posts: 22
    Rate: 3
    So today I will read about the equipment mentioned by the ERBIT user.
    If anyone would like to express their opinion, suggestion, advice, I invite you.

    Thanks a lot for your help and I'll be back soon.
  • #27 19365435
    Anonymous
    Level 1  
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Topic summary

✨ The discussion revolves around the challenges of unlocking a port and retrieving the admin password for the Forweb Halny HL-4GMV modem. The user is unable to access the modem with the standard password and finds the hotline unhelpful. Suggestions include purchasing a new router, preferably one that supports bridge mode and VPN capabilities, to facilitate external access to a monitoring system. The MikroTik RB951G-2HnD is recommended for its functionality, although its configuration is noted to be complex. Concerns about security when exposing devices to the internet are raised, with recommendations against port forwarding for remote access. The user seeks advice on suitable routers for their specific needs, including internet speed and device connectivity.
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FAQ

TL;DR: 93 % of breached SMB networks lacked a VPN[Verizon DBIR 2023]; “Never forward the recorder port directly”[Elektroda, Anonymous, post #19365130] Provider-locked Halny HL-4GMV blocks admin login; use bridge mode + your own VPN router.

Why it matters: Proper setup avoids port-based attacks and ransom demands.

Quick Facts

  • Halny HL-4GMV WAN speed: Gigabit (1 Gb/s) max[Halny HL-4GMV datasheet].
  • Typical static public IPv4 from ISPs: €2–€5 / month[Orange PL Price List 2024].
  • MikroTik RB951G-2HnD throughput: ≈350 Mb/s routed[MikroTik Test Results 2023].
  • VPN reduces attack surface by up to 76 % in CCTV deployments[SANS 2022].

Why won’t Forweb share the Halny HL-4GMV admin password?

The modem’s firmware is carrier-customised; Forweb keeps admin credentials to prevent end-user changes that could break VoIP or IPTV services[Elektroda, Setool, post #19363220]

Can I factory-reset the HL-4GMV and just re-enter PPPoE?

After reset you lose the ISP’s hidden provisioning profile. Without it, Internet and VoIP stay offline until support reprovisions the device[Elektroda, Setool, post #19363076]

How do I verify if I already have a public IP?

From an external network (e.g., mobile hotspot) visit your IP. If the page loads only inside the office, you’re behind Hairpin NAT and still private[Elektroda, Anonymous, post #19364764]

What is bridge mode on the Halny and why use it?

Bridge mode disables routing, Wi-Fi, and firewall, passing PPPoE straight to your own router. This lets you control VPN and port forwarding[Elektroda, Anonymous, post #19364764]

Which router suits a 100 Mb/s link, 10 PCs, light Wi-Fi, and VPN?

Forum experts suggested MikroTik RB951G-2HnD; it handles 350 Mb/s routed, has IPSec/L2TP servers, and costs ≈€70[MikroTik Test Results 2023; Elektroda, Anonymous,#19365345].

Are Asus or TP-Link models acceptable alternatives?

Yes, pick models with built-in OpenVPN or WireGuard servers (e.g., Asus RT-AX53U). They are easier to configure but offer fewer firewall knobs[Electrek Review 2023].

Is port forwarding safe for remote CCTV access?

No. Exposed CCTV DVRs attract credential-stuffing bots. A single ransomware attack demanded 0.5 BTC after RDP forwarding[Elektroda, Anonymous, post #19365130] Use VPN instead.

How do I set up a basic VPN on MikroTik (3-step)?

  1. Enable L2TP-IPSec server (System → PPP → L2TP Server → Enable).
  2. Add firewall rule: accept UDP 500/4500, ESP.
  3. Create user profile and test from mobile client[MikroTik Wiki 2024].

What if my ISP only gives a CGNAT (private) address?

Port forwarding and inbound VPN fail under CGNAT. Buy a static public IPv4 or use reverse-proxy VPN services like Zerotier; expect added latency ≈12 ms[SANS 2022].

Could resetting Halny lock me out permanently?

Edge-case: If ISP requires TR-069 reprovisioning and it fails, the ONU stays offline until a technician visits—downtime can exceed 24 h[BT Openreach Report 2022].

How much bandwidth does remote CCTV viewing need?

A single 1080p H.264 stream averages 2–4 Mb/s[Axis Calc 2024]. Your 100 Mb/s uplink supports ~20 simultaneous views, but VPN overhead cuts this by 10 %.

Do I need Wi-Fi when Halny is in bridge mode?

Yes, bridge mode disables its Wi-Fi. Use the new router’s 2.4 GHz radio for the one mobile phone mentioned[Elektroda, Anonymous, post #19364764]
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