Re: how to tell if my ISP is blocking email web ports

2004-01-26 Thread Micheal Patterson




- Original Message - 
From: fbsd_user [EMAIL PROTECTED]
To: Dinesh Nair [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED] ORG [EMAIL PROTECTED]
Sent: Wednesday, January 21, 2004 2:38 PM
Subject: RE: how to tell if my ISP is blocking email  web ports


 My friends PC is an MS/Windows 98 box.
 I know all windows system have telnet in command.com.
 Which is reachable from start/run and opens an native dos window.

 Would anybody know the syntax of the native dos telnet command
  to include the port number to use?

 telnet xxx.xxx.xxx.xxx would get me to the telnet port
 at that IP address.

Actually, the native dos mode versions of telnet came standard starting
with Win2k but I won't go into that. :)

The syntax is start  run  telnet xxx.xxx.xxx.xxx port#

--

Micheal Patterson
TSG Network Administration
405-917-0600

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RE: how to tell if my ISP is blocking email web ports

2004-01-22 Thread fbsd_user
Thanks to all of you that responded.

I did not want to install Apache just to have something listening
on port 80. So I edited /etc/services and commented out the
http 80 statements and the telnet 23 statements and them copied
the telnet tcp statement and changes it's port to 80.
Enabled inetd in rc.conf.

I used one of my LAN PC's to telnet into to port 80 and it worked.
I then called my friend with winme box who uses different ISP.
He logged on and used native dos to try to telnet into my
port 25 and 80. In both cases he was not able to connect to my
IP address.
This proves that Adelphia cable service is blocking those 2 ports.

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of michael
Alexander
Sent: Wednesday, January 21, 2004 5:09 PM
To: [EMAIL PROTECTED]
Subject: RE: how to tell if my ISP is blocking email  web ports

 -Original Message-
 From: [EMAIL PROTECTED]
 [mailto:[EMAIL PROTECTED] On Behalf Of
fbsd_user
 Sent: Wednesday, January 21, 2004 2:39 PM
 To: Dinesh Nair
 Cc: [EMAIL PROTECTED] ORG
 Subject: RE: how to tell if my ISP is blocking email  web ports


 My friends PC is an MS/Windows 98 box.
 I know all windows system have telnet in command.com.
 Which is reachable from start/run and opens an native dos window.

 Would anybody know the syntax of the native dos telnet command
  to include the port number to use?

 telnet xxx.xxx.xxx.xxx would get me to the telnet port
 at that IP address.

I believe Just add the port number at the end...
Telnet xxx.xxx.xxx.xxx 25
For testing a mail server connection for example.  I don't have
anything
that old to test it on though.  Works in XP for sure, I use it
frequently.

-Mike

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RE: how to tell if my ISP is blocking email web ports

2004-01-22 Thread Dinesh Nair

On Thu, 22 Jan 2004, fbsd_user wrote:

 port 25 and 80. In both cases he was not able to connect to my IP
 address. This proves that Adelphia cable service is blocking those 2
 ports.

has adelphia given you a public ip address or are you behind a NAT box
(perhaps on the adelphia network itself) ?

Regards,   /\_/\   All dogs go to heaven.
[EMAIL PROTECTED](0 0)http://www.alphaque.com/
+==oOO--(_)--OOo==+
| for a in past present future; do|
|   for b in clients employers associates relatives neighbours pets; do   |
|   echo The opinions here in no way reflect the opinions of my $a $b.  |
| done; done  |
+=+

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RE: how to tell if my ISP is blocking email web ports

2004-01-22 Thread fbsd_user
This is  public ip  67.20.101.xxx as far as I know.

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Dinesh Nair
Sent: Thursday, January 22, 2004 9:39 AM
To: fbsd_user
Cc: [EMAIL PROTECTED]; michael Alexander;
[EMAIL PROTECTED]; [EMAIL PROTECTED];
[EMAIL PROTECTED]
Subject: RE: how to tell if my ISP is blocking email  web ports


On Thu, 22 Jan 2004, fbsd_user wrote:

 port 25 and 80. In both cases he was not able to connect to my IP
 address. This proves that Adelphia cable service is blocking those
2
 ports.

has adelphia given you a public ip address or are you behind a NAT
box
(perhaps on the adelphia network itself) ?

Regards,   /\_/\   All dogs go to heaven.
[EMAIL PROTECTED](0 0)http://www.alphaque.com/
+==oOO--(_)--OOo
==+
| for a in past present future; do
|
|   for b in clients employers associates relatives neighbours pets;
do   |
|   echo The opinions here in no way reflect the opinions of my $a
$b.  |
| done; done
|
+===
==+

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Re: how to tell if my ISP is blocking email web ports

2004-01-21 Thread Dinesh Nair

On Wed, 21 Jan 2004, fbsd_user wrote:
 So I need a way to test if the ports are blocked or not using an
 friends PC and my current  IP address.

 What do you recommend?

why not just enable sendmail, apache and pop3 on your home box and telnet
to ports 25, 80 and 110 respectively from your friend's pc to see if it
works ?

Regards,   /\_/\   All dogs go to heaven.
[EMAIL PROTECTED](0 0)http://www.alphaque.com/
+==oOO--(_)--OOo==+
| for a in past present future; do|
|   for b in clients employers associates relatives neighbours pets; do   |
|   echo The opinions here in no way reflect the opinions of my $a $b.  |
| done; done  |
+=+

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Re: how to tell if my ISP is blocking email web ports

2004-01-21 Thread Gary
Hi fbsd_user,

--On Wednesday, January 21, 2004 03:00:08 PM -0500 fbsd_user 
[EMAIL PROTECTED] wrote:

I am thinking about enabling my gateway's sendmail email
server to receive email directly from the public internet and
also installing apache to serve my own home page.
Okay...

I have 24/7 cable internet connection plus an registered
domain name which goes no place right now.
Err... you have DSL then.. most likely..

Do you have a static IP?  Also, in order to do the above, you will need to 
run DNS, or some variant, tinydns so that the world knows where to find 
you. Otherwise, you have an exercise in futility. g
I know I can not ask my ISP's tech support if they block
ports 110, 25, and 80, because they will get suspicious
and monitor my account. Want to stay under their radar.
Probably wise, but most likely, they don't care.

So I need a way to test if the ports are blocked or not using an
friends PC and my current  IP address.
What do you recommend?
1. From your mail headers, your ISP is adelphia.net.  I don't think they 
block anything.. you can google for them, and blocking for example.

2. You can go look on their home page, to see if they make mention whether 
they block certain ports, or look at their terms of service.

3. Just set up DNS, your MTA, and let'r rip. See if you can send and 
receive mail... Might take a day or two for the DNS to kick in.

--
Gary
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Re: how to tell if my ISP is blocking email web ports

2004-01-21 Thread Cordula's Web
 I am thinking about enabling my gateway's sendmail email 
 server to receive email directly from the public internet and 
 also installing apache to serve my own home page. 

That's a common setup.

 I have 24/7 cable internet connection plus an registered 
 domain name which goes no place right now. 
 
 I know I can not ask my ISP's tech support if they block 
 ports 110, 25, and 80, because they will get suspicious 
 and monitor my account. Want to stay under their radar.

Switch to an ISP that doesn't object to you running servers.

If you violate your ISP's AUPs, they'll simply cut you off.
Some ISPs run port scans or log their users' traffic, so
you may end up appearing on their radar anyway.

 So I need a way to test if the ports are blocked or not using an 
 friends PC and my current  IP address. 

Just start your servers, and check wether you can reach them
from the outside.

 What do you recommend? 

* Track -STABLE or -CURRENT regularly, esp. after security
  advisories.
* Open as few ports as possible to the outside (sockstat -46
  is your friend).
* It's your responsiblity to check that you don't operate an
  open relay!

You should monitor your box closely (i.e. use tripwire etc...),
and tread on the side of caution.

-- 
Cordula's Web. http://www.cordula.ws/

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Re: how to tell if my ISP is blocking email web ports

2004-01-21 Thread Stephen L Martin
Hi,

From Adelphia's terms of service:

You may not operate a server of any type using the Adelphia Broadband
Service.

Here is the link if you want to check it out:

http://www.adelphia.com/esafety/Inter_Acc_Serv_Agmnt_08_27_03.pdf

I use adelphia as well, last time I port scanned myself from the outside I
got hit on ports 80, 25 etc.

Though I do suspect Adelphia of setting up drone machines scanning for
at least web (80)...maybe others. I get hit twice (within milliseconds) in
a row at least every couple of hours to port 80 from addresses in
Adelphia's range. The addresses change every about every two weeks, but
the rate remains constant. I've tried everything to get a response from
them...to no avail.

Well, to get to the point, I wouldn't run any servers on their standard
ports. Dyndns has something called the port redirect wizard
(http://www.dyndns.org/services/mywebhop/) where you run a server on a
non-standard port and the client doesn't need to know about it.

--
Stephen L. Martin


fbsd_user said:
 I am thinking about enabling my gateway's sendmail email
 server to receive email directly from the public internet and
 also installing apache to serve my own home page.

 I have 24/7 cable internet connection plus an registered
 domain name which goes no place right now.

 I know I can not ask my ISP's tech support if they block
 ports 110, 25, and 80, because they will get suspicious
 and monitor my account. Want to stay under their radar.

 So I need a way to test if the ports are blocked or not using an
 friends PC and my current  IP address.

 What do you recommend?

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RE: how to tell if my ISP is blocking email web ports

2004-01-21 Thread fbsd_user
My friends PC is an MS/Windows 98 box.
I know all windows system have telnet in command.com.
Which is reachable from start/run and opens an native dos window.

Would anybody know the syntax of the native dos telnet command
 to include the port number to use?

telnet xxx.xxx.xxx.xxx would get me to the telnet port
at that IP address.

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Dinesh Nair
Sent: Wednesday, January 21, 2004 3:15 PM
To: fbsd_user
Cc: [EMAIL PROTECTED] ORG
Subject: Re: how to tell if my ISP is blocking email  web ports


On Wed, 21 Jan 2004, fbsd_user wrote:
 So I need a way to test if the ports are blocked or not using an
 friends PC and my current  IP address.

 What do you recommend?

why not just enable sendmail, apache and pop3 on your home box and
telnet
to ports 25, 80 and 110 respectively from your friend's pc to see if
it
works ?

Regards,   /\_/\   All dogs go to heaven.
[EMAIL PROTECTED](0 0)http://www.alphaque.com/
+==oOO--(_)--OOo
==+
| for a in past present future; do
|
|   for b in clients employers associates relatives neighbours pets;
do   |
|   echo The opinions here in no way reflect the opinions of my $a
$b.  |
| done; done
|
+===
==+

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RE: how to tell if my ISP is blocking email web ports

2004-01-21 Thread michael Alexander
 -Original Message-
 From: [EMAIL PROTECTED] 
 [mailto:[EMAIL PROTECTED] On Behalf Of fbsd_user
 Sent: Wednesday, January 21, 2004 2:39 PM
 To: Dinesh Nair
 Cc: [EMAIL PROTECTED] ORG
 Subject: RE: how to tell if my ISP is blocking email  web ports
 
 
 My friends PC is an MS/Windows 98 box.
 I know all windows system have telnet in command.com.
 Which is reachable from start/run and opens an native dos window.
 
 Would anybody know the syntax of the native dos telnet command
  to include the port number to use?
 
 telnet xxx.xxx.xxx.xxx would get me to the telnet port
 at that IP address.

I believe Just add the port number at the end...
Telnet xxx.xxx.xxx.xxx 25
For testing a mail server connection for example.  I don't have anything
that old to test it on though.  Works in XP for sure, I use it frequently.

-Mike

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Re: how to tell if my ISP is blocking email web ports

2004-01-21 Thread Danie du Toit

   Just run tc= pdump / ethereal (or any sniffer) on a PC at your place
   and telnet throug= h the Internet to your IP address on ports 110, 80,
   25.  If you can = see this packets, your ISP is not blocking it.
   freebsd-ques= [EMAIL PROTECTED] wrote:

 Send freebsd-questions mailing list submiss= ions to
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 To subscribe or unsubsc= ribe via the World Wide Web, visit
 http://lists.freebsd.org/mailman/l= istinfo/freebsd-questions
 or, via email, send a message with subject = or body 'help' to
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 You c= an reach the person managing the list at
 [EMAIL PROTECTED] bsd.org
 When replying, please edit your Subject line so it is mor= e
 specific
 than Re: Contents of freebsd-questions digest...
 Today's Topics:
 1. Re: How to mount a FreeBSD-5.1 partition = from FreeBSD-4.9
 (Jerry McAllister)
 2. passwd command problem. (f= [EMAIL PROTECTED])
 3. RE: Unable to mount CDrom in 5.2, reading pas= t threads is of
 no help (fbsd_user)
 4. Re: ipfw/nated stateful ru= les example (Jonathan Chen)
 5. latency (Stas)
 6. ([EMAIL PROTECTED] .com)
 7. Re: Using FreeBSD to burn in computers (Jeremy Faulkner)  BR8. new 
install of 5.2 ISO aft hour system freeze cold reboot
 only = option ([EMAIL PROTECTED])
 9. ALSA drivers (Stas)
 10. Re: ALSA = drivers (Kenneth Culver)
 11. Re: USB sound device questions (multiple= s!)
 (Daan Vreeken [PA4DAN])
 12. Re: latency (Lance E. Lott)
 1= 3. Re: latency (Benjamin Walkenhorst)
 14. Re: latency (Cordula's Web) 15. Re: ALSA drivers (Cordula's Web)
 16. Re: IPFW and Dynamic Ru= les (Dave McCammon)
 17. Re: passwd command problem. (Jonathan Chen) = BR18.
 Monolithic kernel possible in 5.2? (Peter Schmiedeskamp)
 19. R= e: ALSA drivers (Thomas T. Veldhouse)
 20. how to tell if my ISP is bl= ocking email  web ports
 (fbsd_user)
  --
 Message: 1
 Date: Wed, 21 Jan 2004 12:52:32 -0500 (EST)
 From: Jerry McAllister = lt;[EMAIL PROTECTED]
 Subject: Re: How to mount a FreeBSD-= 5.1 partition from
 FreeBSD-4.9
 To: [EMAIL PROTECTED] (Juan Rodrigu= ez Hervella)
 Cc: [EMAIL PROTECTED]
 Message-ID: 20= [EMAIL PROTECTED]
 Content-Type: text/plai= n; charset=us-ascii
 
  On Wednesday 21 January 2004 = 17:26, Sergey 'DoubleF'
 Zaharchenko wrote:
   On Wed, 21 Jan 2= 004 15:52:25 +0100
  
   Juan Rodriguez Hervella l= t;[EMAIL PROTECTED] probably
 wrote:
On Wednesda= y 21 January 2004 14:53, Sergey 'DoubleF'
 Zaharchenko wrote:
  = ;   On Wed, 21 Jan 2004 13:26:25 +0100
 Juan Rodriguez Hervella [EMAIL PROTECTED]= ;
 probably wrote:
  Hello, please send the rep= ly to myself cause Im not
  subscribe to the l= ist
 
  I've got a = FreeBSD-5.1 installation in /dev/ad0s3,
  but = I usually run FreeBSD-4.9 from /dev/ad0s2.

 g= t;5.x uses UFS2 by default. 4.x does not understand
 UFS2.= In short, you
 either re-newfs the 5.x partition = to be UFS1, or you are
 short of luck
 this time. = BR  
I can not believe you !,
  g= t; 
I guess there is (or there will be) some work-= in-progress
 to have
UFS2 support on FreeBSD-4.X system= s.
  
   If only by you:(. I'd suggest you make you= r 5.x partition
 UFS1 and be
   satisfied with that - that's pr= etty much all you can do.
  
Or are we foll= owing Windows way of life here ?
  
   If 5.x cou= ldn't understand 4.x, that would be a bad thing.
 But forcing
  = ; 5.x to be absolutely compatible with 4.x is another bad
 thing.
 = 
   If you were forced to stay that compatible all the ti= me, you
 wouldn't be
   able to do major architectural changes.= If everyone thought
 the same
   way, an Athlon or a P4 would = be a 80286, only MUCH faster
 (which it is
   for most olden DO= S or Windows/16 programs, so your definition
 of
   `Windows wa= y of life' is definitely contrary to mine).
  
   Y= ou don't complain 4.x can't run 5.x binaries, do you?:)
 
 = But the filesystem is a different thing, imho.
 
  For exa= mple, if you use FreeBSD-4.X you can mount
  ext2,ntfs,msdos,cd966= 0,smbfs. if you use Linux, you
  can mount ufs. what's the= reason it is not possible to
  make a program which understands t= he UFS2 filesystem
  under FreeBSD-4.X ? Is there any tecnical bar= rier ? Even
  if the filesystem was mounted read-only (like ntfs= ),
  that would fit me
 Because the development track i= s 5. and that is where new
 things are going. The 4. track get= s necessary bug and
 security fixes, etc now, but not any major new fe= atures.