Is "/usr/bin/sscop" still relevant? (related to ATM)

2020-11-09 Thread mj-mailinglist
Is "/usr/bin/sscop" still relevant? The sscop tool implements the Q.2110 
transport protocol, which is used in ATM-Networks.
The NATM framework was removed in April 2017, but sscop depends on netgraph 
(libngatm.so.4), so it seems to be independent from NATM.
 
The manpage refers to libunimsg(3), which does not exist, but unimsg(3) does.
It also depends on libngatm.so.4, which also does not have a man page.
 
So, is it still useful? The most documents i found about ATM are from the early 
2000 to mid 2010s.
 
--
Martin
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Re: Is "/usr/bin/sscop" still relevant? (related to ATM)

2020-11-09 Thread Poul-Henning Kamp

mj-mailingl...@gmx.de writes:

> Is "/usr/bin/sscop" still relevant? The sscop tool implements the Q.2110 
> transport protocol, [...]

Q.2110 is ATM over ISDN B-channels, and the only use-case I have
ever heard about is to run SS7 signalling over ISDN-30 connections.

(The ability to do so is largely why phone scammers can fake the calling
number when they annoy you.)

Unless somebody else know of other uses, you can kill it.

-- 
Poul-Henning Kamp   | UNIX since Zilog Zeus 3.20
p...@freebsd.org | TCP/IP since RFC 956
FreeBSD committer   | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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RE: Is "/usr/bin/sscop" still relevant? (related to ATM)

2020-11-10 Thread Hartmut.Brandt
Hi,

this can go away. It is the transport protocol underlying ATM signaling.

harti

-Original Message-
From: owner-freebsd-curr...@freebsd.org  On 
Behalf Of mj-mailingl...@gmx.de
Sent: Monday, November 9, 2020 10:07 PM
To: freebsd-current@freebsd.org
Subject: Is "/usr/bin/sscop" still relevant? (related to ATM)

Is "/usr/bin/sscop" still relevant? The sscop tool implements the Q.2110 
transport protocol, which is used in ATM-Networks.
The NATM framework was removed in April 2017, but sscop depends on netgraph 
(libngatm.so.4), so it seems to be independent from NATM.
 
The manpage refers to libunimsg(3), which does not exist, but unimsg(3) does.
It also depends on libngatm.so.4, which also does not have a man page.
 
So, is it still useful? The most documents i found about ATM are from the early 
2000 to mid 2010s.
 
--
Martin
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Re: Is "/usr/bin/sscop" still relevant? (related to ATM)

2020-11-10 Thread Warner Losh
So both the kernel and userland parts can go away?

./contrib/ngatm/sscop
./sys/modules/netgraph/atm/sscop
./sys/netgraph/atm/sscop
./usr.bin/atm/sscop

Warner

On Tue, Nov 10, 2020 at 1:27 AM  wrote:

> Hi,
>
> this can go away. It is the transport protocol underlying ATM signaling.
>
> harti
>
> -Original Message-
> From: owner-freebsd-curr...@freebsd.org 
> On Behalf Of mj-mailingl...@gmx.de
> Sent: Monday, November 9, 2020 10:07 PM
> To: freebsd-current@freebsd.org
> Subject: Is "/usr/bin/sscop" still relevant? (related to ATM)
>
> Is "/usr/bin/sscop" still relevant? The sscop tool implements the Q.2110
> transport protocol, which is used in ATM-Networks.
> The NATM framework was removed in April 2017, but sscop depends on
> netgraph (libngatm.so.4), so it seems to be independent from NATM.
>
> The manpage refers to libunimsg(3), which does not exist, but unimsg(3)
> does.
> It also depends on libngatm.so.4, which also does not have a man page.
>
> So, is it still useful? The most documents i found about ATM are from the
> early 2000 to mid 2010s.
>
> --
> Martin
> ___
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RE: Is "/usr/bin/sscop" still relevant? (related to ATM)

2020-11-11 Thread Hartmut.Brandt
Yes.

harti

From: Warner Losh 
Sent: Tuesday, November 10, 2020 10:27 PM
To: Brandt, Hartmut 
Cc: mj-mailingl...@gmx.de; FreeBSD Current 
Subject: Re: Is "/usr/bin/sscop" still relevant? (related to ATM)

So both the kernel and userland parts can go away?

./contrib/ngatm/sscop
./sys/modules/netgraph/atm/sscop
./sys/netgraph/atm/sscop
./usr.bin/atm/sscop

Warner

On Tue, Nov 10, 2020 at 1:27 AM 
mailto:hartmut.bra...@dlr.de>> wrote:
Hi,

this can go away. It is the transport protocol underlying ATM signaling.

harti

-Original Message-
From: 
owner-freebsd-curr...@freebsd.org<mailto:owner-freebsd-curr...@freebsd.org> 
mailto:owner-freebsd-curr...@freebsd.org>> 
On Behalf Of mj-mailingl...@gmx.de<mailto:mj-mailingl...@gmx.de>
Sent: Monday, November 9, 2020 10:07 PM
To: freebsd-current@freebsd.org<mailto:freebsd-current@freebsd.org>
Subject: Is "/usr/bin/sscop" still relevant? (related to ATM)

Is "/usr/bin/sscop" still relevant? The sscop tool implements the Q.2110 
transport protocol, which is used in ATM-Networks.
The NATM framework was removed in April 2017, but sscop depends on netgraph 
(libngatm.so.4), so it seems to be independent from NATM.

The manpage refers to libunimsg(3), which does not exist, but unimsg(3) does.
It also depends on libngatm.so.4, which also does not have a man page.

So, is it still useful? The most documents i found about ATM are from the early 
2000 to mid 2010s.

--
Martin
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