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- 09-14-2005, 07:42 AM #1JerGuest
[email protected] wrote:
> It appears Cingular blocks certain ports on their EDGE network.
>
> I have an EDGE wireless card. It appears that Cingular blocks some UDP
> ports and TCP ports. When I establish an EDGE connection I cannot use a
> specific application called "Echolink". That application is described
> below.
>
> Echolink is a VoIP program for radio Amateurs (Ham Radio Operators) to use
> to contact each other via the internet.
>
> Enclosed is a description of the ports the program uses.
>
> EchoLink requires that your router or firewall allow inbound and
> outbound UDP to destination ports 5198 and 5199, and outbound TCP to
> port 5200. Source ports are dynamically assigned. If you are using a
> home-network router, you will also need to configure the router to
> "forward" UDP ports 5198 and 5199 to the PC on which EchoLink is
> running.
>
> This can be summarized as:
>
> Allow UDP (source port any, destination ports 5198-5199) from Internet to PC
> Allow UDP (source port any, destination ports 5198-5199) from PC to Internet
> Allow TCP (source port any, destination port 5200) from PC to Internet
>
> My primary purpose in purchasing our Cingular Wireless EDGE card was to use
> the Echolink application. Web surfing and email are secondary uses.
>
> The only way I can use Echolink is to open a VPN connection with my current
> employer. I can use Echolink only when I have the VPN connection running.
> Problem is that I plan to retire next year and it will no longer be
> available.
>
> Does anyone know who to contact at Cingular to inquire about port blocking?
> The droids at 611 were clueless.
>
> TIA
Perhaps if you obtained a ham license, you could understand better about
why Echolink is incompatible with a public cellular communication system.
--
jer
email reply - I am not a 'ten'
› See More: Cingular Port Blocking on EDGE Network?
- 09-15-2005, 12:18 PM #2John Bartley K7AAY telcom admin, Portland ORGuest
Re: Cingular Port Blocking on EDGE Network?
On Tue, 13 Sep 2005 20:00:44 -0700, [email protected] wrote:
>It appears Cingular blocks certain ports on their EDGE network.
Undoubtedly. They don't want to permit BitTorrent traffic.
>I have an EDGE wireless card.
Cingular's Wireless Data Support Group may be found at 800-552-3373.
https://support.cingular.com/cngapp/...t_incident.jsp
allows you to log in and make signal drop and other technical reports.
>It appears that Cingular blocks some UDP
>ports and TCP ports. When I establish an EDGE connection I cannot use a
>specific application called "Echolink". That application is described
>below.
>
>Echolink is a VoIP program for radio Amateurs (Ham Radio Operators) to use
>to contact each other via the internet.
>
>Enclosed is a description of the ports the program uses.
>
>EchoLink requires that your router or firewall allow inbound and
>outbound UDP to destination ports 5198 and 5199, and outbound TCP to
>port 5200. Source ports are dynamically assigned. If you are using a
>home-network router, you will also need to configure the router to
>"forward" UDP ports 5198 and 5199 to the PC on which EchoLink is
>running.
>
>This can be summarized as:
>
>Allow UDP (source port any, destination ports 5198-5199) from Internet to PC
>Allow UDP (source port any, destination ports 5198-5199) from PC to Internet
>Allow TCP (source port any, destination port 5200) from PC to Internet
>
>My primary purpose in purchasing our Cingular Wireless EDGE card was to use
>the Echolink application. Web surfing and email are secondary uses.
>
>The only way I can use Echolink is to open a VPN connection with my current
>employer. I can use Echolink only when I have the VPN connection running.
>Problem is that I plan to retire next year and it will no longer be
>available.
>
>Does anyone know who to contact at Cingular to inquire about port blocking?
>The droids at 611 were clueless.
>
>TIA
--
John Bartley K7AAY USBC/DO PDX OR USA
"This is a carburetor," Hank tells his son. "Take it apart, put it back together; repeat until you're normal." - KOTH
- 09-16-2005, 06:29 PM #3JerGuest
Re: Cingular Port Blocking on EDGE Network?
[email protected] wrote:
> On Wed, 14 Sep 2005 08:42:28 -0500, Jer <[email protected]> wrote:
>
>
>>[email protected] wrote:
>>
>>>It appears Cingular blocks certain ports on their EDGE network.
>>>
>>>I have an EDGE wireless card. It appears that Cingular blocks some UDP
>>>ports and TCP ports. When I establish an EDGE connection I cannot use a
>>>specific application called "Echolink". That application is described
>>>below.
>>>
>>>Echolink is a VoIP program for radio Amateurs (Ham Radio Operators) to use
>>>to contact each other via the internet.
>>>
>>>Enclosed is a description of the ports the program uses.
>>>
>>>EchoLink requires that your router or firewall allow inbound and
>>>outbound UDP to destination ports 5198 and 5199, and outbound TCP to
>>>port 5200. Source ports are dynamically assigned. If you are using a
>>>home-network router, you will also need to configure the router to
>>>"forward" UDP ports 5198 and 5199 to the PC on which EchoLink is
>>>running.
>>>
>>>This can be summarized as:
>>>
>>>Allow UDP (source port any, destination ports 5198-5199) from Internet to PC
>>>Allow UDP (source port any, destination ports 5198-5199) from PC to Internet
>>>Allow TCP (source port any, destination port 5200) from PC to Internet
>>>
>>>My primary purpose in purchasing our Cingular Wireless EDGE card was to use
>>>the Echolink application. Web surfing and email are secondary uses.
>>>
>>>The only way I can use Echolink is to open a VPN connection with my current
>>>employer. I can use Echolink only when I have the VPN connection running.
>>>Problem is that I plan to retire next year and it will no longer be
>>>available.
>>>
>>>Does anyone know who to contact at Cingular to inquire about port blocking?
>>>The droids at 611 were clueless.
>>>
>>>TIA
>>
>>
>>Perhaps if you obtained a ham license, you could understand better about
>>why Echolink is incompatible with a public cellular communication system.
>
>
> Just what I needed today: a smart answer from some jerk somewhere in the
> world. FYI, I have been a ham for 30 years and I am an Extra Class
> operator.
>
> And for your information, the only way you can get Echolink is IF your a ham
> radio operator.
Bull****. Warez has it for anyone who wants it, including every hacker
in the free world.
>
> Your a jerk!
May be, but at least I know the difference between your and you're.
--
jer
email reply - I am not a 'ten'
- 09-16-2005, 07:58 PM #4GomJabbarGuest
Re: Cingular Port Blocking on EDGE Network?
Jer wrote:
> Bull****. Warez has it for anyone who wants it, including every hacker
> in the free world.
>> Your a jerk!
> May be, but at least I know the difference between your and you're.
I don't need to tell you what you already know. The use and
distribution of warez software is illegal (as copied from:
http://www.cscic.state.ny.us/msisac/...6_22_terms.htm).
It is easy to infer from your writing what calibre of individual is
posting here.
- 09-17-2005, 05:44 AM #5JerGuest
Re: Cingular Port Blocking on EDGE Network?
GomJabbar wrote:
> Jer wrote:
>
>>Bull****. Warez has it for anyone who wants it, including every hacker
>>in the free world.
>
>
>>>Your a jerk!
>
>
>>May be, but at least I know the difference between your and you're.
>
>
> I don't need to tell you what you already know. The use and
> distribution of warez software is illegal (as copied from:
> http://www.cscic.state.ny.us/msisac/...6_22_terms.htm).
I might be impressed if you could offer a tidbit as to why any hacker
would care about the legality of any software.
>
> It is easy to infer from your writing what calibre of individual is
> posting here.
>
Oh, I see, now you're gonna claim you actually know something about a
book by looking at the cover? Run along child, go play with your toys.
--
jer
email reply - I am not a 'ten'
- 09-17-2005, 02:41 PM #6Guest
Re: Cingular Port Blocking on EDGE Network?
[email protected] wrote:
> If you are using a home-network router, you will also need to configure
> the router to "forward" UDP ports 5198 and 5199 to the PC on which
> EchoLink is running.
That's the piece that's broken. Where would you configure the Cingular
network to forward those ports? They aren't blocking those ports, per se,
you just don't have any way to direct traffic inbound to your phone.
Could you get the program to work via WiFi if you are in a public hotspot?
Could you get the program to work on your own router, if you didn't have
administrative access to the port forwarding table in the router?
--
---
Clarence A Dold - Hidden Valley (Lake County) CA USA 38.8,-122.5
- 09-18-2005, 11:39 AM #7John NavasGuest
Re: Cingular Port Blocking on EDGE Network?
[POSTED TO alt.cellular.cingular - REPLY ON USENET PLEASE]
In <[email protected]> on Sat, 17 Sep 2005 20:41:40 +0000 (UTC),
[email protected] wrote:
>[email protected] wrote:
>
>> If you are using a home-network router, you will also need to configure
>> the router to "forward" UDP ports 5198 and 5199 to the PC on which
>> EchoLink is running.
>
>That's the piece that's broken. Where would you configure the Cingular
>network to forward those ports? They aren't blocking those ports, per se,
>you just don't have any way to direct traffic inbound to your phone.
Port forwarding is necessary only over NAT/PAT, as in the case of a home
networking "router" -- standard network routers pass all unblocked traffic.
Hence this wouldn't be an issue for cellular.
--
Best regards, HELP FOR CINGULAR GSM & SONY ERICSSON PHONES:
John Navas <http://navasgrp.home.att.net/#Cingular>
- 09-18-2005, 02:50 PM #8Guest
Re: Cingular Port Blocking on EDGE Network?
John Navas <[email protected]> wrote:
> Port forwarding is necessary only over NAT/PAT, as in the case of a home
> networking "router" -- standard network routers pass all unblocked traffic.
> Hence this wouldn't be an issue for cellular.
I presumed that Cingular was providing a NAT address. I thought I saw my
ipconfig address as being different from the address reported by
dslreports. I might be mistaken.
Some hotspots that I have visited have given 192. addresses, and I have
presumed those to be NAT as well.
The only inbound connection that I tried to my tethered PC was iperf, and
that didn't connect. I didn't try anything other than the default port.
--
---
Clarence A Dold - Hidden Valley (Lake County) CA USA 38.8,-122.5
- 09-19-2005, 09:03 AM #9John NavasGuest
Re: Cingular Port Blocking on EDGE Network?
[POSTED TO alt.cellular.cingular - REPLY ON USENET PLEASE]
In <[email protected]> on Thu, 15 Sep 2005 18:18:27
GMT, [email protected] (John Bartley K7AAY telcom admin, Portland OR)
wrote:
>On Tue, 13 Sep 2005 20:00:44 -0700, [email protected] wrote:
>
>>It appears Cingular blocks certain ports on their EDGE network.
>
>Undoubtedly. They don't want to permit BitTorrent traffic.
My own tests of MEdia Net (in Northern California) work on BitTorrent upload,
but suggest that Cingular is filtering (blocking) the default BitTorrent
download port. What that is easily circumvented by configuring a different
download port, I don't think BitTorrent is an appropriate use of the service.
>Cingular's Wireless Data Support Group may be found at 800-552-3373.
>
>https://support.cingular.com/cngapp/...t_incident.jsp
>allows you to log in and make signal drop and other technical reports.
That says "Help for Former AT&T Wireless Customers"
--
Best regards, HELP FOR CINGULAR GSM & SONY ERICSSON PHONES:
John Navas <http://navasgrp.home.att.net/#Cingular>
- 09-19-2005, 10:23 AM #10John NavasGuest
Re: Cingular Port Blocking on EDGE Network?
[POSTED TO alt.cellular.cingular - REPLY ON USENET PLEASE]
In <[email protected]> on Sun, 18 Sep 2005 20:50:30 +0000 (UTC),
[email protected] wrote:
>John Navas <[email protected]> wrote:
>> Port forwarding is necessary only over NAT/PAT, as in the case of a home
>> networking "router" -- standard network routers pass all unblocked traffic.
>> Hence this wouldn't be an issue for cellular.
>
>I presumed that Cingular was providing a NAT address. I thought I saw my
>ipconfig address as being different from the address reported by
>dslreports. I might be mistaken.
>
>Some hotspots that I have visited have given 192. addresses, and I have
>presumed those to be NAT as well.
That Cingular is assigning private IP addresses doesn't necessarily mean that
PAT (Port Address Translation) is being used -- with one-to-one mapping there
would be no sharing of the public IP address, and thus no port translation (or
special forwarding) would be needed.
>The only inbound connection that I tried to my tethered PC was iperf, and
>that didn't connect. I didn't try anything other than the default port.
I've now done some testing, and inbound connections won't work, so it seems
that Cingular is indeed using NAT/PAT rather than one-to-one mapping. My
apologies for my erroneous statement (in the top quote above).
--
Best regards, HELP FOR CINGULAR GSM & SONY ERICSSON PHONES:
John Navas <http://navasgrp.home.att.net/#Cingular>
- 09-19-2005, 11:20 AM #11Guest
Re: Cingular Port Blocking on EDGE Network?
John Navas <[email protected]> wrote:
> I've now done some testing, and inbound connections won't work, so it seems
> that Cingular is indeed using NAT/PAT rather than one-to-one mapping. My
> apologies for my erroneous statement (in the top quote above).
Someone suggested that WAP.cingular.com is NAT, and ISP.cingular.com is
direct addressing.
--
---
Clarence A Dold - Hidden Valley (Lake County) CA USA 38.8,-122.5
- 09-19-2005, 12:47 PM #12John NavasGuest
Re: Cingular Port Blocking on EDGE Network?
[POSTED TO alt.cellular.cingular - REPLY ON USENET PLEASE]
In <[email protected]> on Mon, 19 Sep 2005 17:20:36 +0000 (UTC),
[email protected] wrote:
>John Navas <[email protected]> wrote:
>> I've now done some testing, and inbound connections won't work, so it seems
>> that Cingular is indeed using NAT/PAT rather than one-to-one mapping. My
>> apologies for my erroneous statement (in the top quote above).
>
>Someone suggested that WAP.cingular.com is NAT, and ISP.cingular.com is
>direct addressing.
In other words:
WAP.cingular.com = MEdia Net, NAT/PAT*
ISP.cingular.com = Data Connect, public IP
* which would explain why some forms of VPN don't work.
--
Best regards, HELP FOR CINGULAR GSM & SONY ERICSSON PHONES:
John Navas <http://navasgrp.home.att.net/#Cingular>
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