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Old 25 April 2020, 18:43   #1
avantgarden
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LIVE600 - Telnet into an A600 from your browser

Dear Amiga aficionados,
I'm new to this board (but I've been lurking for a while!), i hope not to break
any rules/conventions.

Would you please leave me a love message in a floppy?
By clicking here:

http://avantgarden.dyndns.org/amiga600/

you will "telnet into" an actual Amiga 600 and will be able to poke around!
(mobile browsing tested OK with Android 8+, Chrome and Firefox)

Have been working on this for a while...
Glad to give technical info on how to achieve this!
Thank you very much,
Avantgarden

**UPDATE**
I've added a rudimentary dial-up functionality!
It just displays a banner but hey, it is still an Amiga 600!
Click the link above and issue the "modem" command!

Last edited by avantgarden; 01 May 2020 at 18:28. Reason: added modem feature
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Old 25 April 2020, 20:17   #2
Jope
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Pretty well protected! Nice. :-)
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Old 25 April 2020, 20:38   #3
avantgarden
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Thanks for visiting me! Protection is never enough... Even if I get defaced I will learn something!
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Old 25 April 2020, 20:55   #4
indigolemon
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PFS3 I assume?
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Old 25 April 2020, 21:02   #5
avantgarden
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Eh eh! No, "telnet censoring"...
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Old 25 April 2020, 21:45   #6
Retro1234
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Brilliant ,Wish you were here.
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Old 25 April 2020, 21:47   #7
avantgarden
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Thank you sir! Ummagumma
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Old 25 April 2020, 22:39   #8
avantgarden
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Some insights!

On a Raspberry Pi runs "Shellinabox" and a telnet proxy that blocks offensive commands.

The RPI is in between you and the actual Amiga [PS. added for clarity].

So nice to hear DFO: clicking when you leave a message!

Wished to use a plain Amiga 600 but had to add 1 MEG CHIP for this to be usable.

I've found the embeddable Topaz font on GitHub! https://github.com/rewtnull/amigafonts/

Cheers
Avantgarden

Last edited by avantgarden; 26 April 2020 at 00:04.
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Old 26 April 2020, 00:27   #9
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So thats how your blocking the commands.
Very cool, as I tried using ed to look at some stuff and it didnt work.
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Old 26 April 2020, 00:32   #10
avantgarden
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Hi Sneeker! Use "type" instead!
ED has a GUI.
Thanks for chiming in, cheers
Avantgarden
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Old 26 April 2020, 10:39   #11
avantgarden
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Moar insights!

The "wall" command that broadcasts a message on all consoles is in fact a small BlitzBasic2
executable that connects to the standard Linux "wall" facility running on the Pi:

Code:
If NumPars=0
   NPrint "Are you scared to write on the wall?"
   End
EndIf

For i=1 To NumPars : wall$=wall$+Par$(i)+" " : Next
If OpenFile(0,"TCP:pi-address/pi-tcp-port")
   FileOutput 0
   NPrint wall$
   CloseFile 0
   DefaultOutput
Else
   NPrint "Unable to connect."
EndIf
End
On the Pi side "ncat" is listening!

Code:
ncat --sh-exec "/usr/bin/head -c80 | strings -n1 | /usr/bin/wall" --recv-only -l pi-tcp-port --keep-open

Many thanks to all the "beta-testers"!
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Old 26 April 2020, 21:50   #12
Retro1234
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I don't fully understand this but in theory could you LoadWb ?
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Old 26 April 2020, 22:26   #13
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No sir, even Emacs doesn't work correctly! It's the aspect of the console that makes you want to "loadwb"! (fonts, colours). Try to toggle the "Purist" mode by clicking the right mouse button. Thank you.
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Old 27 April 2020, 00:18   #14
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So cool, loved it!
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Old 27 April 2020, 14:09   #15
avantgarden
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Thanks for all the pentesting!! Lots of clever people around the board. I'll keep all those love messages in DF0: in my Amigan heart forever . Stay tuned for mode technical insights for those interested. THANKS AGAIN.
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Old 27 April 2020, 20:32   #16
avantgarden
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Good evening my fellow Amigans.

For those who wondered what that strange S:ED.SERVICE script file is doing, more info can be found here:
http://aminet.net/package/comm/misc/Amied

I have a question for the kind user posting under the handle "Cobe", who connected from a mobile device: what version of Android are you running?

After a few more attempts with "hacking myself" I've found that:

5> SET a=reb
5> SET b=oot
5> $a$b

was indeed working, causing the system to reboot! Had to filter out the "$" character as a countermeasure.
With this trick, unlocking DH0 is trivial... Phew!

Thank you guys, you all rock!

Avantgarden
http://avantgarden.dyndns.org/amiga600/
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Old 27 April 2020, 21:51   #17
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Quote:
Originally Posted by avantgarden View Post
i have a question for the kind user posting under the handle "cobe", who connected from a mobile device: What version of android are you running?
8.1.0
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Old 27 April 2020, 22:01   #18
avantgarden
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Quote:
Originally Posted by Cobe View Post
8.1.0
Thank you Cobe!

Older versions (5 for example) made a real mess with the "Shellinabox" Ajax keyboard routines...

More info on this excellent software here:
https://github.com/shellinabox/shell...ut-shellinabox
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Old 30 April 2020, 02:32   #19
avantgarden
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Sorry, the downtime is for setting up a 28.8 MODEM and AGetty!

http://aminet.net/package/comm/uucp/AGetty0_218

Is that all I need to get the Amiga "dialable"?

I'm testing from a 1200 with Terminus but BOTH phone lines are Voip...

A1200 --> MODEM --> ATA --> VOIP --> ATA --> MODEM --> A600

(ATA = analogue phone adapter)

Sigh! 1 call out of 10 I get the AGetty banner but characters aren't echoed back in Terminus.
Help needed from some BBS guru!

Cheers,
AvantGarden
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Old 01 May 2020, 18:33   #20
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Fixed by forcing the calling modem to negotiate 1200 cps! The 600 is now officially DIALLABLE...
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