Network devices

[Dave]

I have a vague recollection there's a RISC OS command line that will list
all the devices on the local network, maybe arp -something.

I really can't remember... Can anyone please refresh my ailing memory?

Thanks
Dave

--

Dave Triffid

[David Higton]

In message <5b0c9f0...@triffid.co.uk>

Dave <da...@triffid.co.uk> wrote:

> I have a vague recollection there's a RISC OS command line that will list
> all the devices on the local network, maybe arp -something.
>
> I really can't remember... Can anyone please refresh my ailing memory?

arp -a will indeed do some of what you'd like, but I don't think there
is a command to list everything.

arp -a lists all those it is aware of, which really means those it has
been in connection with recently.

Try it, then ping your broadcast address, then try arp -a again, and I
think you'll see some of what I mean.

David

[Dave]

In article <f8e4a70c5b.DaveMeUK@BeagleBoard-xM>,

Ah yes well...

Aside from the router, I have two other LAN things (Printers) active.

In a Command window (StrongEd) if I do arp -a I get...

*arp -a
route-sysctl-estimate

Whatever that might mean.

Aha! I've just remembered something (Expletive) I must away and test...

My remembering was correct, On a Real hardware SARPC, Arp -a etc works
okay, but on a Virtual Acorn it doesn't, and IIRC never has.

Thanks for the thought and prompt.

Botheration! in buckets...

Dave

--

Dave Triffid

[Chris Hughes]

In message <5b0d061...@triffid.co.uk>

Correct it will not work on VRPC as all the networking is provided by the
Windows side and passed through to the VRPC program side (Remember as far
as Windows is concerned its just another application)

Try it instead on the windows side in a command window, I think it should
work (not got my PC on to double check at moment)


--
Chris Hughes

[Chris Newman]

In article <15792d0d5b.chris@mytardis>,


<Big snip>

> > My remembering was correct, On a Real hardware SARPC, Arp -a etc
> > works okay, but on a Virtual Acorn it doesn't, and IIRC never has.

> Correct it will not work on VRPC as all the networking is provided by
> the Windows side and passed through to the VRPC program side (Remember
> as far as Windows is concerned its just another application)

> Try it instead on the windows side in a command window, I think it
> should work (not got my PC on to double check at moment)

On the Windows side I use a great little programme from NirSoft.

It's called Wireless Network Watcher.

The name is a bit of misnomer because it shows anything connected via
your router; not just wireless connections but cabled ones as well.

It shows IP address, device name, MAC address, when detected etc.

https://www.nirsoft.net

Go to list on left, choose Network Tools and scroll down the list of
software.
The download link is quite a way down the page after the list of versions
and other bumf.

I've just updated to version 2.40. On Windows 11 defender flagged it up
as a low potential risk but it's perfectly safe so I allowed it. It was
recommended by Computer Active magazine.

--
Chris

[Dave]

In article <15792d0d5b.chris@mytardis>,
Chris Hughes <new...@noonehere.co.uk> wrote:

[Snip]

> Correct it will not work on VRPC as all the networking is provided by
> the Windows side and passed through to the VRPC program side (Remember
> as far as Windows is concerned its just another application)

> Try it instead on the windows side in a command window, I think it
> should work (not got my PC on to double check at moment)

Thanks for the thoughts Chris.

I have no problem with the arp +flags command windows side, but this
"thing" I'm trying to sort for a friend is specifically a RISC OS thing.

Thanks
Dave

[Dave]

In article <5b0d35...@npost.uk>,
Chris Newman <m...@npost.uk> wrote:
[Snippy]

> On the Windows side I use a great little programme from NirSoft.

> It's called Wireless Network Watcher.

> The name is a bit of misnomer because it shows anything connected via
> your router; not just wireless connections but cabled ones as well.

> It shows IP address, device name, MAC address, when detected etc.

> https://www.nirsoft.net

> Go to list on left, choose Network Tools and scroll down the list of
> software.
> The download link is quite a way down the page after the list of versions
> and other bumf.

> I've just updated to version 2.40. On Windows 11 defender flagged it up
> as a low potential risk but it's perfectly safe so I allowed it. It was
> recommended by Computer Active magazine.

Thanks for the info Chris,
As I wrote to the other Chris, I have no problem Win side with the arp
+flags command.

The problem is specifically a possible RISC OS one.

Win side I have a couple of Network scanners installed, the one I use
mostly is "AdvancedIPScanner."

Later I will give the NirSoft app you mention a go...

[Chris Hughes]

In message <5b0d5ba...@triffid.co.uk>

Can you give us any details of this 'issue'?



--
Chris Hughes

[Richard Ashbery]

In article <5b0d35...@npost.uk>, Chris Newman <m...@npost.uk>
wrote:

> On the Windows side I use a great little programme from NirSoft.

> It's called Wireless Network Watcher.

> The name is a bit of misnomer because it shows anything connected
> via your router; not just wireless connections but cabled ones as
> well.

> It shows IP address, device name, MAC address, when detected etc.

> https://www.nirsoft.net

Good tip - thanks! It shows all the ip addresses as expected and after
a delay ones I don't expect (active ones like 192.168.1.159 and 179).
Are they likely to be scam devices attempting to connect to my PC?

Richard

[Martin]

In article <5b0d79a9...@invalid.addr.uk>,

Are they connected via WiFi or Ethernet?
What is their Device name?
Who made their Network adapter?
When was it detected first and last?
What is detection count?
Does your router give any more clues what they are?

--
Martin Avison
Note that unfortunately this email address will become invalid
without notice if (when) any spam is received.

[Chris Hughes]

In message <5b0d79a9...@invalid.addr.uk>

I doubt it, as the 192.168.x.x range is local to your network not external
network.

Could they be other wireless devices, like Smart meter IHD (In Home
Displays) or even Wireless enabled Alarm systems. or even other smart
devices you have.

You could identoify the device by the mac address.




--
Chris Hughes

[Dave]

In article <5b0d65...@sick-of-spam.invalid>,

Bob Latham <b...@sick-of-spam.invalid> wrote:
> In article <5b0d35...@npost.uk>,
> Chris Newman <m...@npost.uk> wrote:

> > It shows IP address, device name, MAC address, when detected etc.

> > https://www.nirsoft.net

> Thanks, just what I needed but the full version with uninstall etc.
> (wnetwatcher_setup.TO1tBEvp.exe.part) is blocked by AVG which says it
> has a malware virus. I've never seen a .part file before.

> I take it, it's the smaller package (wnetwatcher.zip) people are
> using? I hope that's safe.

> Bob.

I did try that after Chris posted, but soon consigned it to the bin as I
prefer the one I'm using... :-)

"Advanced-IP-Scanner." https://www.advanced-ip-scanner.com/

Each to their own of course. :-)

Dave

--

Dave Triffid

[Dave]

In article <305b780d5b.chris@mytardis>,

Chris Hughes <new...@noonehere.co.uk> wrote:
> In message <5b0d5ba...@triffid.co.uk>
> Dave <Da...@triffid.co.uk> wrote:

> > In article <15792d0d5b.chris@mytardis>,
> > Chris Hughes <new...@noonehere.co.uk> wrote:

> > [Snip]

> >> Correct it will not work on VRPC as all the networking is provided by
> >> the Windows side and passed through to the VRPC program side (Remember
> >> as far as Windows is concerned its just another application)

> >> Try it instead on the windows side in a command window, I think it
> >> should work (not got my PC on to double check at moment)

> > Thanks for the thoughts Chris.

> > I have no problem with the arp +flags command windows side, but this
> > "thing" I'm trying to sort for a friend is specifically a RISC OS
> > thing.

> Can you give us any details of this 'issue'?

Yes, the friend has recently updated his Windows 10 to Windows 11 and for
some reason, though his VRPC is working okay, his Printer RISC OS side
which did work okay on Win 10, now doesn't seem to be communicating LAN
wise to the Windows attached printer.

From the RISC OS side I wanted him to Ping the Printer to see if there was
any communication at all, but unfortunately he doesn't know the ip address
of the printer, thus the 'arp' question.

ATM. We are in a holding time as he's very busy with something else, but
when his busy is done, I'll chat to him about how to finding the IP
address of the printer Win side.

TBH. As I know nothing about Win 11, I'm kind of peeing in the wind to see
what returns. ;-)

Dave

--

Dave Triffid

[Chris Hughes]

In message <5b0d8ec...@triffid.co.uk>

Is the printer IP address listed on his router.

It could also be a Windows firewall issue. Also check if the printer is
still correctly configured on the Windows 11 side.



--
Chris Hughes

[Chris Newman]

In article <5b0d79a9...@invalid.addr.uk>,
Richard Ashbery <bas...@invalid.addr.uk> wrote:

Our smartphones show up when they are on. Can be any device which uses
your network.

--
Chris

[Richard Ashbery]

In article <e5977d0d5b.chris@mytardis>, Chris Hughes

<new...@noonehere.co.uk> wrote:
> In message <5b0d79a9...@invalid.addr.uk> Richard Ashbery
> <bas...@invalid.addr.uk> wrote:

> > In article <5b0d35...@npost.uk>, Chris Newman <m...@npost.uk>
> > wrote:

> >> It's called Wireless Network Watcher.

> >> It shows IP address, device name, MAC address, when detected etc.

> >> https://www.nirsoft.net

> > Good tip - thanks! It shows all the ip addresses as expected and
> > after a delay ones I don't expect (active ones like 192.168.1.159
> > and 179). Are they likely to be scam devices attempting to
> > connect to my PC?

> I doubt it, as the 192.168.x.x range is local to your network not
> external network.

Thanks Chris. Using the wireless modem router which I haven't used for
over a year or two I managed to verify the unknown IP addresses.

> Could they be other wireless devices, like Smart meter IHD (In Home
> Displays) or even Wireless enabled Alarm systems. or even other
> smart devices you have.

> You could identoify the device by the mac address.

You are absolutely correct: 2 of them are related to login IP
addresses for routers. The one that had me baffled is Wistron Neweb
Corp. which I searched and is a legitimate IP address for a Taiwanese
company that manufacturers wifi modules, one of which most likely
resides in my Technicolour Router.

Conclusion - nothing suspicious.

Richard

[Steve Fryatt]

On 4 Dec, Chris Hughes wrote in message
<e5977d0d5b.chris@mytardis>:

> I doubt it, as the 192.168.x.x range is local to your network not external
> network.

But *anything* connected to your local network will get a local IP. They're
far more likely to be things that you own than otherwise, but if they're
connected via WiFi it's certainly worth checking your security settings and
confirming that you do, indeed, own them.

--
Steve Fryatt - Leeds, England

http://www.stevefryatt.org.uk/

[Stuart]

In article <5b0d8ec...@triffid.co.uk>,

Dave <da...@triffid.co.uk> wrote:
> ATM. We are in a holding time as he's very busy with something else, but
> when his busy is done, I'll chat to him about how to finding the IP
> address of the printer Win side.

Both my printers will tell me directly their i.p. address.

With my Epson WF-7715:
Settings>Printer Status/Print>Network>wired lan/Wi-Fi status
Via the front LCD panel

With my Dell 2330dn:
Menu>Reports>Network setup
And it prints a page of all network parameters and details

Perhaps your friends printer will also freely divulge its details if
interrogated

--
Stuart Winsor

Tools With A Mission
sending tools across the world
http://www.twam.co.uk/

[Alan Adams]

Hi

I'm a little unclear about which type of configuration your friend has,
and how you're going about diagnosing it.

Option 1: A Windows-only printer, shared out by Windows.
There's no IP address on the printer, so nothing to ping. Cheeck
share security as in option 3.

Option 2: A PostScript network printer, connected to Windows over IP, and
shared from Windows.
Why do it that way. you can connect to it directly from RISC OS,
using eg PS3 and free or proprietary network drivers (NetPrint for
example).

Option 3: A non-postscript network printer, with no RISC OS driver, shared
from Windows.
No alternative. However pinging from RISC OS doesn't tell you
much, even if it succeeds, which it ought to. My gut feeling is that the
change from Windows 10 to 11 has tightened up share security. Check the
permissions on the printer share within Windows. Check the username and
password in the connection, and look for that user on the share. It might
have been using "everyone" or "users", and that might have been removed.
Eventvwr might show security messages which could help. You need to log in
a Administrator to see those.

I can't try that here, as I don't have windows 11. No plans to "upgrade"
for reasons such as the above. If it ain't broke, I'm not going to fix it.

Alan

In message <5b0d8ec...@triffid.co.uk>
Dave <da...@triffid.co.uk> wrote:

<snip>

> Yes, the friend has recently updated his Windows 10 to Windows 11 and for
> some reason, though his VRPC is working okay, his Printer RISC OS side
> which did work okay on Win 10, now doesn't seem to be communicating LAN
> wise to the Windows attached printer.

> From the RISC OS side I wanted him to Ping the Printer to see if there was
> any communication at all, but unfortunately he doesn't know the ip address
> of the printer, thus the 'arp' question.

> ATM. We are in a holding time as he's very busy with something else, but
> when his busy is done, I'll chat to him about how to finding the IP
> address of the printer Win side.

> TBH. As I know nothing about Win 11, I'm kind of peeing in the wind to see
> what returns. ;-)

> Dave



--

Alan Adams

[druck]

On 02/12/2023 20:28, Dave wrote:
> I have a vague recollection there's a RISC OS command line that will list
> all the devices on the local network, maybe arp -something.
>
> I really can't remember... Can anyone please refresh my ailing memory?

What you need is a RISC OS port of Linux's nmap. You can scan your
entire network using a command such as

nmap -sn 192.168.1.0/24

If you find any devices you don't recognise you can get it to try finger
printing the type of device using

nmap -A 192.168.1.159

---druck